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= CDR HTTP API =  
= VoIPmonitor Web API =


This API is equivalent to [[Call_Detail_Record_-_CDR#Filter_Form_button]]
This page documents VoIPmonitor's Web APIs for programmatic access to CDR data, recordings, active calls, and system functions.


== INPUT ==
== Overview ==


HTTP POST address - php/model/sql.php
<kroki lang="mermaid">
%%{init: {'flowchart': {'nodeSpacing': 15, 'rankSpacing': 30}}}%%
flowchart LR
    subgraph Client
        A[Application]
    end
    subgraph API["API Endpoints"]
        B["/php/api.php"]
        C["/php/model/sql.php"]
    end
    subgraph Tasks
        E[getVoipCalls]
        F[getVoiceRecording]
        G[getPCAP]
        H[listActiveCalls]
        I[getShareURL]
    end
    A -->|user/password| B
    A -->|Session cookie| C
    B --> E & F & G & H & I
</kroki>


=== Mandatory parameters ===
{| class="wikitable"
|-
! API !! Endpoint !! Authentication !! Use Case
|-
| '''HTTP API 2''' || <code>/php/api.php</code> || user/password params || CDR queries, recordings, PCAP, active calls
|-
| '''CDR HTTP API''' || <code>/php/model/sql.php</code> || Session cookie || Advanced CDR filtering with GUI filters
|}


task:LISTING module:CDR
{{Warning|1='''Correct path is critical:''' Always use <code>/php/api.php</code> (not <code>/api.php</code>). Missing the <code>/php/</code> directory causes "action parameter missing" errors.}}


=== Datetime range ===
== HTTP API 2 ==


fdatefrom:1986-01-09T00:00:00 fdateto:2013-05-28T00:00:00
Preferred API for programmatic access. Requests via HTTP POST or GET to <code>/php/api.php</code>.


=== Caller / called numbers ===
=== Authentication ===


fcaller: caller num
Include <code>user</code> and <code>password</code> parameters in every request:
fcalled: called num
fcallerd_type: 0 (if type is 0 searching is done for fcaller OR fcalled and value is taken from fcaller. If value is 1 searching is done for fcaller AND fcalled)


<syntaxhighlight lang="bash">
curl 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD&params=...'
</syntaxhighlight>


=== Domain ===
{{Note|1=API authentication uses local VoIPmonitor database credentials. It does NOT use LDAP or custom_login.php.}}
fcaller_domain: caller domain fcalled_domain: caller domain
fcallerd_domain_type:0 (if type is 0 searching is done for fcaller OR fcalled and value is taken from fcaller. If value is 1 searching is done for fcaller AND fcalled)


=== Caller id name ===
'''Rate Limiting:''' Enable in GUI > Settings > System Configuration > "API maximal concurrent connections".


fcallername: caller name
=== getVoipCalls ===
=== SIP caller / called IP ===


fsipcallerip: caller SIP IP fsipcalledip: called SIP IP
Retrieve CDR records by search criteria.
fsipcallerdip_type:0 (if type is 0 searching is done for fcaller OR fcalled and value is taken from fcaller. If value is 1 searching is done for fcaller AND fcalled)
=== RTP source / destination IP ===


'''Parameters:'''
{| class="wikitable"
|-
! Parameter !! Description
|-
| <code>startTime</code> || Calls starting >= this time (required)
|-
| <code>startTimeTo</code> || Calls starting <= this time
|-
| <code>callEnd</code> || Calls ending <= this time
|-
| <code>caller</code> / <code>called</code> || Caller/called number
|-
| <code>callId</code> || SIP Call-ID
|-
| <code>cdrId</code> || Database ID
|-
| <code>id_sensor</code> || Sensor number
|-
| <code>msisdn</code> || Match caller OR called (instead of AND)
|-
| <code>onlyConnected</code> || <code>1</code> = only answered calls
|-
| <code>customHeaders</code> || Comma-separated custom header names to return
|}


fa_saddr: 192.168.0.1
'''Examples:'''
fb_saddr: 192.168.0.2
fab_saddr_type:0 (if type is 0 searching is done for fcaller OR fcalled and value is taken from fcaller. If value is 1 searching is done for fcaller AND fcalled)


=== Codecs ===
<syntaxhighlight lang="bash">
# HTTP GET - by time range and caller
curl 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD&params={"startTime":"2024-01-01","startTimeTo":"2024-01-31","caller":"123456"}'


fcodec: 4, 12
# HTTP POST - by Call-ID
list of numbers delimited by ','. Here is list of numbers and its codecs
echo '{"task":"getVoipCalls","user":"USER","password":"PASSWORD","params":{"startTime":"2024-01-01","callId":"abc123"}}' | curl -X POST -d @- http://server/php/api.php


define("PAYLOAD_PCMU", 0); define("PAYLOAD_GSM", 3); define("PAYLOAD_G723", 4); define("PAYLOAD_PCMA", 8); define("PAYLOAD_G722", 9); define("PAYLOAD_QCELP", 12); define("PAYLOAD_CN", 13); define("PAYLOAD_G729", 18); define("PAYLOAD_ILBC", 97); define("PAYLOAD_SPEEX", 98); define("PAYLOAD_SILK", 301); define("PAYLOAD_SILK8", 302); define("PAYLOAD_SILK12", 303); define("PAYLOAD_SILK16", 304); define("PAYLOAD_SILK24", 305); define("PAYLOAD_ISAC", 306); define("PAYLOAD_ISAC16", 307); define("PAYLOAD_ISAC32", 308); define("PAYLOAD_T38", 1000);
# With custom headers
=== Call duration ===
curl -G 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD' \
example: less than 30 and greater than 10 seconds
  --data-urlencode 'params={"startTime":"2024-01-01","caller":"123","customHeaders":"X-Custom-Header"}'
</syntaxhighlight>
'''Response fields:'''
{| class="wikitable"
|-
! Field !! Description
|-
| <code>cdrId</code> || Database CDR ID
|-
| <code>id_sensor</code> || Sensor ID
|-
| <code>calldate</code> / <code>callend</code> || Call start/end time
|-
| <code>duration</code> / <code>connect_duration</code> || Total / connected duration
|-
| <code>caller</code> / <code>called</code> || Caller/called numbers
|-
| <code>sipcallerip</code> / <code>sipcalledip</code> || SIP endpoint IPs
|-
| <code>codec_a</code> / <code>codec_b</code> || Audio codecs
|-
| <code>lastSIPresponseNum</code> || '''(New in 2026.1)''' Final SIP response code (e.g., 200, 404, 503)
|-
| <code>callId</code> || SIP Call-ID
|}
=== getVoiceRecording ===


fdurationgt: 30 fdurationlt: 10
Download audio recording (WAV format).


=== PDD ===
'''Parameters:'''
{| class="wikitable"
|-
! Parameter !! Description
|-
| <code>cdrId</code> || Database CDR ID (preferred)
|-
| <code>callId</code> || SIP Call-ID
|-
| <code>calldate</code> || Date hint (default: today)
|-
| <code>zip</code> || <code>true</code> = return ZIP archive
|-
| <code>ogg</code> || <code>true</code> = return OGG format
|-
| <code>saveaudio_afterconnect</code> || <code>"yes"</code> = audio only after call connect
|}


example: greater than 10 and less than 30 seconds
'''Examples:'''
fpddgt: 10 fpddlt: 30


=== Sip response code ===
<syntaxhighlight lang="bash">
fsipresponse: 503
# By CDR ID
curl 'http://server/php/api.php?task=getVoiceRecording&user=USER&password=PASSWORD&params={"cdrId":12345}' > call.wav


=== Interrupted call ===
# By Call-ID
curl 'http://server/php/api.php?task=getVoiceRecording&user=USER&password=PASSWORD&params={"callId":"abc123"}' > call.wav


false or true
# Multiple recordings (returns ZIP)
echo '{"task":"getVoiceRecording","user":"USER","password":"PASSWORD","params":{"cdrId":[6,7]}}' | php api.php > calls.zip
</syntaxhighlight>


fbye:false
=== getPCAP ===
Direction (by trunk)


false or true
Download PCAP file. Automatically merges multiple legs and returns ZIP if needed.


ftrunk:
'''Parameters:'''
{| class="wikitable"
|-
! Parameter !! Description
|-
| <code>cdrId</code> || Database CDR ID
|-
| <code>callId</code> || SIP Call-ID
|-
| <code>cidInterval</code> || Time window (seconds) to search for matching Call-ID
|-
| <code>cidMerge</code> || <code>true</code> = merge multiple legs
|-
| <code>zip</code> || <code>true</code> = force ZIP output
|}


SIP user agent
'''Examples:'''
fa_ua: caller agent string fb_ua: called agent string
fab_ua_type:0 (if type is 0 searching is done for fcaller OR fcalled and value is taken from fcaller. If value is 1 searching is done for fcaller AND fcalled)
SIP Call-ID header
fcallid: string


SIP sensor ID (database ID)
<syntaxhighlight lang="bash">
fsensor_id:
# By CDR ID
curl 'http://server/php/api.php?task=getPCAP&user=USER&password=PASSWORD&params={"cdrId":"12345"}' > call.pcap


# By Call-ID with merge
curl -G 'http://server/php/api.php?task=getPCAP&user=USER&password=PASSWORD' \
  --data-urlencode 'params={"callId":"abc123","cidInterval":60,"cidMerge":true}'
</syntaxhighlight>


{{Tip|Use <code>curl -G --data-urlencode</code> for complex JSON params to avoid encoding issues.}}


=== Paging ===
=== listActiveCalls ===


page:1 start:0 limit:30
Get currently active calls from sensor.


=== Ordering ===
'''Parameters:''' <code>sensorId</code> (optional), <code>callId</code> (optional)


sort:[{"property":"calldate2","direction":"DESC"}]
<syntaxhighlight lang="bash">
curl 'http://server/php/api.php?task=listActiveCalls&user=USER&password=PASSWORD&params={"sensorId":"1"}'
</syntaxhighlight>


{{Note|1=IP addresses in response are integers. Convert with <code>INET_NTOA()</code> in MySQL or equivalent in your code.}}


=== Special Ordering ===
=== handleActiveCall ===
orderByLoss: orderByDelay: orderByFixed1: orderByFixed2: orderByAdapt: orderByCallDuration_asc: orderByCallDuration_desc: orderBySrcSIP_IP_asc: orderBySrcSIP_IP_desc: orderByDstSIP_IP_asc: orderByDstSIP_IP_desc: orderBySrcNumber_asc: orderBySrcNumber_desc: orderByDstNumber_asc: orderByDstNumber_desc: orderByCallerName_asc: orderByCallerName_desc: orderByLastSIPrespNum_asc: orderByLastSIPrespNum_desc:
=== RTP ===
frtcp_maxjitter: frtcp_avgjitter: frtcp_maxfr: frtcp_avgfr: fmosf1: fmosf2: fmosadapt: f_d50: f_d70: f_d90: f_d120: f_d150: f_d200: f_d300: floss1: floss2: floss3: floss4: floss5: floss6: floss7: floss8: floss9: floss10: ffilterTemplate:
== OUTPUT ==
Output is JSON formated array of CDR
Example:


{"total":"25","results":[{"lastSIPresponseNum":"200","lastSIPresponse_id":"3","cnt_all":"110011","duration_all":"5388692","acd_all":"49.3737","asr_all":"99.2092","mos_all":"4.36034442","packets_lost_all":"0.15386185","jitter_all":"1.03656707","delay_all":"116.5833","cnt_ok":null,"cnt_err":null,"lastSIPresponse":"200 OK","id":"200 OK"},{"lastSIPresponseNum":"487","lastSIPresponse_id":"27","cnt_all":"535","duration_all":"256","acd_all":"6.2439","asr_all":"7.6636","mos_all":"3.67647059","packets_lost_all":"0.05965854","jitter_all":"1.00000000","delay_all":"0.5042","cnt_ok":null,"cnt_err":null,"lastSIPresponse":"487 Request Terminated","id":"487 Request Terminated"}]}
Pause/unpause RTP recording on active call.


'''Parameters:'''
* <code>sensorId</code> - Sensor number
* <code>command</code> - <code>pausecall</code> or <code>unpausecall</code>
* <code>callRef</code> - Call reference from listActiveCalls


= HTTP API 2 =  
<syntaxhighlight lang="bash">
curl 'http://server/php/api.php?task=handleActiveCall&user=USER&password=PASSWORD&params={"sensorId":"1","command":"pausecall","callRef":"0x7f0e4c3c2680"}'
</syntaxhighlight>


This API was created for getting audio files based on various search criteria. Requests are over HTTP POST or GET
=== getShareURL ===


== getVoipCalls ==
Generate public shareable link for a CDR.


=== Input data ===
'''Parameters:'''
{| class="wikitable"
|-
! Parameter !! Description
|-
| <code>callId</code> or <code>cdrId</code> || Call identifier
|-
| <code>cidInterval</code> || Time window for Call-ID search
|-
| <code>rtp</code> || <code>true</code> = include RTP data
|-
| <code>sip_history</code> || <code>true</code> = SIP history only (no RTP)
|-
| <code>anonIps</code> || <code>true</code> = anonymize IPs
|-
| <code>validDays</code> || Link validity in days
|}


<syntaxhighlight lang="bash">
curl 'http://server/php/api.php?task=getShareURL&user=USER&password=PASSWORD&params={"callId":"abc123","rtp":true,"validDays":15}'
</syntaxhighlight>


task: getVoipCalls,
=== reportSummary ===
user: USER,
password: PASSWORD,
params: {
  callStart: YYYY-MM-DD HH:II:SS
  callEnd: YYYY-MM-DD HH:II:SS
  caller: 9999999 }
}


=== Examples ===
Generate pre-configured summary report as image or JSON.
==== HTTP POST Simple parameter ====
echo '{"task": "getVoipCalls", "user": "USER", "password": "PASSWORD", "params": {"startTime": "2013-01-01", "endTime": "2013-08-01", "caller": "910251414"}}' | php api.php
==== HTTP POST Array parameter ====
echo '{"task": "getVoipCalls", "user": "USER", "password": "PASSWORD", "params": [{"startTime": "2013-01-01", "endTime": "2013-08-01", "caller": "910251414"},{"startTime": "2013-01-01", "endTime": "2013-08-01", "caller": "910251415"}]}' | php api.php       
==== HTTP GET Simple parameter ====
http://localhost/voipmon/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD&params={"startTime":"2013-01-01","endTime":"2013-08-01","caller":"910251414"}
==== HTTP POST Array parameter ====
http://localhost/voipmon/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD&params=[{"startTime":"2013-01-01","endTime":"2013-08-01","caller":"910251414"},{"startTime":"2013-01-01","endTime":"2013-08-01","caller":"910251415"}]


== getVoiceRecording by Cdr ID ==
{{Warning|1=Reports must be created in '''GUI → Reports → Daily Report''' BEFORE using the API. The <code>report_name</code> parameter must match the report's Description field.}}


=== input data ===
'''Parameters:'''
task: getVoiceRecording,
* <code>report_name</code> - Description field from GUI report
user: USER,
* <code>datetime_from</code> / <code>datetime_to</code> - Date range
password: PASSWORD,
* <code>json</code> - <code>true</code> = return JSON instead of image
params: {  cdrId: 999999 }
}
=== Examples ====
=== HTTP POST ====
echo '{"task": "getVoiceRecording", "user": "USER", "password": "PASSWORD", "params": {"cdrId": "4919"}}' | php api.php


<syntaxhighlight lang="bash">
curl 'http://server/php/api.php?task=reportSummary&user=USER&password=PASSWORD&params={"report_name":"Daily Summary","datetime_from":"2024-01-01","datetime_to":"2024-01-31"}'
</syntaxhighlight>


==== HTTP GET ====
=== Other Tasks ===
http://localhost/voipmon/php/api.php?task=getVoiceRecording&user=USER&password=PASSWORD&params={"cdrId":4919}


== getVoiceRecording by Call ID ==
{| class="wikitable"
|-
! Task !! Description
|-
| <code>listCdrIds</code> || List CDR IDs with basic info. Params: <code>offset</code>, <code>size</code>
|-
| <code>getAudioGraph</code> || Get spectrogram/waveform image. Params: <code>cdrId</code>, <code>type</code> (S/P/ALL), <code>side</code> (L/R)
|}


=== input data ===
== CDR HTTP API ==
task: getVoiceRecording,
user: USER,
password: PASSWORD,
params: {  callId: 'XXXXXXXXXXXXXXXXXXXXXX' }}


Session-based API using GUI filter parameters. Requires login first.


=== examples ===
=== Authentication ===
==== HTTP POST ====
echo '{"task": "getVoiceRecording", "user": "USER", "password": "PASSWORD", "params": {"callId": "XXXXXXXXXXXXXXXXXXXXXX"}}' | php api.php


==== HTTP GET ====
<syntaxhighlight lang="bash">
http://localhost/voipmon/php/api.php?task=getVoiceRecording&user=USER&password=PASSWORD&params={"callId":"XXXXXXXXXXXXXXXXXXXXXX"}
# Step 1: Login and get session
curl -X POST 'http://server/php/model/sql.php?module=bypass_login&user=USER&pass=PASSWORD'
# Returns: {"SID":"abc123...","cookie_name":"PHPSESSID","success":true}
 
# Step 2: Use session cookie for requests
curl -X POST --cookie "PHPSESSID=abc123..." \
  'http://server/php/model/sql.php?task=LISTING&module=CDR&fdatefrom=2024-01-01T00:00:00&fcaller=123'
</syntaxhighlight>
 
{{Note|1=If GUI is in subdirectory (e.g., <code>/demo</code>), cookie name changes to <code>PHPSESSID-demo</code>.}}
 
'''Disable authorization:''' GUI > Settings > System Configuration > "Disable authorization for API usage"
 
=== Filter Parameters ===
 
'''Mandatory:''' <code>task=LISTING</code>, <code>module=CDR</code>, and at least one of <code>fdatefrom</code> or <code>fdateto</code>.
 
{| class="wikitable"
|-
! Parameter !! Description !! Example
|-
| <code>fdatefrom</code> / <code>fdateto</code> || Date range || <code>2024-01-01T00:00:00</code>
|-
| <code>fcaller</code> / <code>fcalled</code> || Caller/called number || <code>123456</code>
|-
| <code>fcallerd_type</code> || <code>0</code>=OR, <code>1</code>=AND || <code>1</code>
|-
| <code>fcaller_domain</code> / <code>fcalled_domain</code> || SIP domain || <code>sip.example.com</code>
|-
| <code>fsipcallerip</code> / <code>fsipcalledip</code> || SIP IP address || <code>192.168.1.1</code>
|-
| <code>fcallid</code> || SIP Call-ID || <code>abc123</code>
|-
| <code>fsipresponse</code> || SIP response code || <code>503</code>
|-
| <code>fdurationgt</code> / <code>fdurationlt</code> || Duration (seconds) || <code>10</code>
|-
| <code>fsensor_id</code> || Sensor ID || <code>1</code>
|-
| <code>fcodec</code> || Codec numbers (comma-sep) || <code>0,8</code>
|-
| <code>suppress_results</code> || <code>1</code>=count only || <code>1</code>
|}
 
'''Paging:''' <code>page</code>, <code>start</code>, <code>limit</code>
 
'''Sorting:''' <code>sort=[{"property":"calldate","direction":"DESC"}]</code>
 
{{Warning|1=Use <code>=</code> (equals) for parameters, not <code>:</code> (colon). Example: <code>fcallerd_type=1</code> (correct), not <code>fcallerd_type:1</code> (wrong).}}
 
=== Wildcards ===
 
Use <code>%25</code> (URL-encoded <code>%</code>) for SQL LIKE patterns:
 
<syntaxhighlight lang="bash">
# Caller starting with "00"
curl -G 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD' \
  --data-urlencode 'params={"startTime":"2024-01-01","caller":"%2500%25"}'
</syntaxhighlight>
 
=== Codec Values ===
 
{| class="wikitable"
|-
! Value !! Codec !! Value !! Codec
|-
| 0 || PCMU (G.711 μ-law) || 8 || PCMA (G.711 A-law)
|-
| 3 || GSM || 9 || G.722
|-
| 4 || G.723 || 12 || QCELP
|-
| 18 || G.729 || 97 || iLBC
|-
| 98 || Speex || 301-305 || SILK variants
|-
| 306-308 || iSAC variants || 1000 || T.38 (Fax)
|}
 
=== RTP Quality Filters ===
 
{| class="wikitable"
|-
! Parameter !! Description
|-
| <code>fmosf1</code>, <code>fmosf2</code>, <code>fmosadapt</code> || MOS score filters
|-
| <code>frtcp_maxjitter</code>, <code>frtcp_avgjitter</code> || RTCP jitter
|-
| <code>frtcp_maxfr</code>, <code>frtcp_avgfr</code> || RTCP frame rate
|-
| <code>floss1</code> - <code>floss10</code> || Packet loss distribution
|-
| <code>f_d50</code>, <code>f_d70</code>, <code>f_d90</code>, ... || Delay distribution (50ms, 70ms, etc.)
|}
 
== Utility Endpoints ==
 
=== Direct PCAP Download ===
 
<syntaxhighlight lang="bash">
curl 'http://server/php/pcap.php?id=12345'          # Full PCAP
curl 'http://server/php/pcap.php?id=12345&disable_rtp=1'  # SIP only
</syntaxhighlight>
 
=== CDR URL for Browser ===
 
<syntaxhighlight lang="text">
http://server/admin.php?cdr_filter={fcallid:"abc123"}
</syntaxhighlight>
 
=== SIP History ===
 
Requires session authentication first.
 
<syntaxhighlight lang="bash">
# JSON data
curl --cookie "PHPSESSID=..." 'http://server/php/pcap2text.php?action=brief_data&id=12345'
 
# HTML table
curl --cookie "PHPSESSID=..." 'http://server/php/pcap2text.php?action=brief&id=12345'
 
# MSC diagram
curl --cookie "PHPSESSID=..." 'http://server/php/pcap2text.php?action=getMSC&id=12345'
</syntaxhighlight>
 
=== License Check ===
 
<syntaxhighlight lang="bash">
# Basic license check
curl 'http://server/php/apilicensecheck.php?task=licenseCheck'
 
# Concurrent calls limit check
curl 'http://server/php/apilicensecheck.php?task=licenseCallsLimitCheck'
</syntaxhighlight>
 
== Share CDR Configuration ==
 
=== Share Link Types ===
 
Use <code>/php/model/utilities.php</code> with <code>task=shareCdr</code>:
 
{| class="wikitable"
|-
! Type !! subType !! Description
|-
| Local Public || <code>self_protected_link</code> || Password-protected local link
|-
| Local Private || <code>self_login_link</code> || Requires GUI login
|-
| voipmonitor.org || <code>share_link</code> || Public via share.voipmonitor.org
|}
 
=== Custom Branding ===
 
'''Product Name:''' Edit <code>config/system_configuration.php</code>:
<syntaxhighlight lang="php">
define('BRAND_NAME', 'YourCompany');
</syntaxhighlight>
 
'''Share Domain:''' Edit <code>brand.php</code> to use your domain instead of share.voipmonitor.org:
<syntaxhighlight lang="php">
define('BRAND_SHARESITE', 'share.yourdomain.com');
define('BRAND_DOMAIN', 'yourdomain.com');
</syntaxhighlight>
 
== Custom Login (LDAP/SSO) ==
 
Custom authentication via <code>scripts/custom_login.php</code>. This applies to GUI login only, NOT to API authentication.
 
=== Basic Structure ===
 
<syntaxhighlight lang="php">
<?php
function custom_login($user, $password) {
    // Authenticate against external system (LDAP, etc.)
    // ...
 
    return array(
        'username' => $user,
        'id' => $uniqueNumericId,  // REQUIRED: Must be unique per user!
        'is_admin' => false,
        'id_group' => 1,          // Optional: GUI group ID
        'enable_sensors' => array(1,2,3)  // Optional: restrict to sensors
    );
}
?>
</syntaxhighlight>
 
{{Warning|1='''The <code>id</code> field MUST be unique per user.''' If multiple users return the same ID, they share ALL settings (timezone, dashboard, etc.). Use LDAP <code>uidnumber</code> or <code>crc32($email)</code> for uniqueness.}}
 
=== LDAP Example ===
 
See <code>scripts/ldap_custom_login_example.php</code> in GUI directory.
 
'''Requirements:''' <code>php-ldap</code> package installed.
 
'''Debug from CLI:'''
<syntaxhighlight lang="bash">
cd /var/www/html/scripts/
php custom_login.php
</syntaxhighlight>
 
Enable debug by uncommenting the debug block at top of script.
 
=== Troubleshooting ===
 
'''Users share settings:''' Return unique <code>id</code> per user (see warning above).
 
'''LDAP users can't view CDRs:''' Ensure <code>is_admin => false</code> and correct <code>id_group</code> is returned.
 
'''Script being deleted:''' GUI antivirus deletes scripts with <code>shell_exec()</code>, <code>exec()</code>, etc.
 
'''Solutions:'''
# Disable antivirus in <code>config/system_configuration.php</code>:
<syntaxhighlight lang="php">
define('DISABLE_ANTIVIRUS', true);
</syntaxhighlight>
# Or move shell commands to external file outside web directory and <code>require_once()</code> it.
 
=== Azure AD / Microsoft SSO ===
 
For Microsoft Entra ID integration, see [[Microsoft_Sign_in_usage]]. For Google, see [[Google_Sign_in_usage]].
 
=== Return Array Parameters ===
 
Full list of available return parameters for custom_login:
 
<div class="mw-collapsible mw-collapsed">
<syntaxhighlight lang="text">
username, name, id, id_group, group_name, is_admin, email
enable_sensors - array of sensor IDs user can access
can_cdr, can_write_cdr, can_play_audio, can_download_audio
can_listen_active_call, can_pcap, can_upload_pcap
can_messages, can_view_content_message, can_graphs
can_activecalls, can_register, can_sip_msg, can_livesniffer
can_capture_rules, can_audit, can_alerts_edit, can_reports_edit
can_dashboard, can_ipacc, can_mtr, can_sensors_operations
can_network, can_edit_codebooks, hide_license_information
ip, number, domain, vlan (user restrictions)
custom_headers_cdr, custom_headers_message
blocked, blocked_reason, req_2fa
</syntaxhighlight>
</div>
 
== See Also ==
 
* [[Call_Detail_Record_-_CDR#Filter_Form_button|CDR Filter Form]] - GUI filter options
* [[Active_calls|Active Calls]] - Active calls monitoring
* [[User_Management|User Management]] - User permissions
* [[Google_Sign_in_usage|Google Sign-In]] - Google OAuth setup
* [[Microsoft_Sign_in_usage|Microsoft Sign-In]] - Azure AD setup
 
 
== AI Summary for RAG ==
 
'''Summary:''' VoIPmonitor Web API reference with two main APIs: (1) HTTP API 2 at <code>/php/api.php</code> using user/password authentication for tasks like getVoipCalls, getVoiceRecording, getPCAP, listActiveCalls, getShareURL, handleActiveCall, reportSummary; (2) CDR HTTP API at <code>/php/model/sql.php</code> using session cookies with full GUI filter support. Critical: correct endpoint path is <code>/php/api.php</code> (not <code>/api.php</code>). reportSummary requires pre-configured reports in GUI. Custom login via <code>scripts/custom_login.php</code> enables LDAP/SSO - requires unique numeric ID per user to avoid shared settings. Antivirus may delete scripts with shell_exec - disable with DISABLE_ANTIVIRUS or move to external file. Branding: BRAND_NAME for product name, BRAND_SHARESITE/BRAND_DOMAIN in brand.php for custom share domain.
 
'''Keywords:''' web api, http api, api.php, sql.php, getVoipCalls, getVoiceRecording, getPCAP, getShareURL, listActiveCalls, reportSummary, handleActiveCall, CDR filter, custom login, LDAP, authentication, session, curl, JSON, branding, BRAND_NAME, BRAND_SHARESITE, antivirus, DISABLE_ANTIVIRUS, unique user id, uidnumber
 
'''Key Questions:'''
* What is the correct VoIPmonitor API endpoint path?
* How do I retrieve CDRs via the VoIPmonitor API?
* How to download PCAP or voice recordings via API?
* How to list active calls via API?
* How to generate reports via API?
* How to configure LDAP authentication for VoIPmonitor?
* Why do LDAP users share settings? (need unique ID)
* Why is custom_login.php being deleted? (antivirus)
* How to customize VoIPmonitor branding?
* What's the difference between api.php and sql.php?
* How to use wildcards in API filter parameters?

Latest revision as of 12:16, 19 January 2026

VoIPmonitor Web API

This page documents VoIPmonitor's Web APIs for programmatic access to CDR data, recordings, active calls, and system functions.

Overview

API Endpoint Authentication Use Case
HTTP API 2 /php/api.php user/password params CDR queries, recordings, PCAP, active calls
CDR HTTP API /php/model/sql.php Session cookie Advanced CDR filtering with GUI filters

⚠️ Warning: Correct path is critical: Always use /php/api.php (not /api.php). Missing the /php/ directory causes "action parameter missing" errors.

HTTP API 2

Preferred API for programmatic access. Requests via HTTP POST or GET to /php/api.php.

Authentication

Include user and password parameters in every request: 

curl 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD&params=...'

ℹ️ Note: API authentication uses local VoIPmonitor database credentials. It does NOT use LDAP or custom_login.php.

Rate Limiting: Enable in GUI > Settings > System Configuration > "API maximal concurrent connections".

getVoipCalls

Retrieve CDR records by search criteria.

Parameters:

Parameter Description
startTime Calls starting >= this time (required)
startTimeTo Calls starting <= this time
callEnd Calls ending <= this time
caller / called Caller/called number
callId SIP Call-ID
cdrId Database ID
id_sensor Sensor number
msisdn Match caller OR called (instead of AND)
onlyConnected 1 = only answered calls
customHeaders Comma-separated custom header names to return

Examples: 

# HTTP GET - by time range and caller
curl 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD&params={"startTime":"2024-01-01","startTimeTo":"2024-01-31","caller":"123456"}'

# HTTP POST - by Call-ID
echo '{"task":"getVoipCalls","user":"USER","password":"PASSWORD","params":{"startTime":"2024-01-01","callId":"abc123"}}' | curl -X POST -d @- http://server/php/api.php

# With custom headers
curl -G 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD' \
  --data-urlencode 'params={"startTime":"2024-01-01","caller":"123","customHeaders":"X-Custom-Header"}'

Response fields:

Field Description
cdrId Database CDR ID
id_sensor Sensor ID
calldate / callend Call start/end time
duration / connect_duration Total / connected duration
caller / called Caller/called numbers
sipcallerip / sipcalledip SIP endpoint IPs
codec_a / codec_b Audio codecs
lastSIPresponseNum (New in 2026.1) Final SIP response code (e.g., 200, 404, 503)
callId SIP Call-ID

getVoiceRecording

Download audio recording (WAV format).

Parameters:

Parameter Description
cdrId Database CDR ID (preferred)
callId SIP Call-ID
calldate Date hint (default: today)
zip true = return ZIP archive
ogg true = return OGG format
saveaudio_afterconnect "yes" = audio only after call connect

Examples: 

# By CDR ID
curl 'http://server/php/api.php?task=getVoiceRecording&user=USER&password=PASSWORD&params={"cdrId":12345}' > call.wav

# By Call-ID
curl 'http://server/php/api.php?task=getVoiceRecording&user=USER&password=PASSWORD&params={"callId":"abc123"}' > call.wav

# Multiple recordings (returns ZIP)
echo '{"task":"getVoiceRecording","user":"USER","password":"PASSWORD","params":{"cdrId":[6,7]}}' | php api.php > calls.zip

getPCAP

Download PCAP file. Automatically merges multiple legs and returns ZIP if needed.

Parameters:

Parameter Description
cdrId Database CDR ID
callId SIP Call-ID
cidInterval Time window (seconds) to search for matching Call-ID
cidMerge true = merge multiple legs
zip true = force ZIP output

Examples: 

# By CDR ID
curl 'http://server/php/api.php?task=getPCAP&user=USER&password=PASSWORD&params={"cdrId":"12345"}' > call.pcap

# By Call-ID with merge
curl -G 'http://server/php/api.php?task=getPCAP&user=USER&password=PASSWORD' \
  --data-urlencode 'params={"callId":"abc123","cidInterval":60,"cidMerge":true}'

💡 Tip: Use curl -G --data-urlencode for complex JSON params to avoid encoding issues.

listActiveCalls

Get currently active calls from sensor.

Parameters: sensorId (optional), callId (optional) 

curl 'http://server/php/api.php?task=listActiveCalls&user=USER&password=PASSWORD&params={"sensorId":"1"}'

ℹ️ Note: IP addresses in response are integers. Convert with INET_NTOA() in MySQL or equivalent in your code.

handleActiveCall

Pause/unpause RTP recording on active call.

Parameters:

  • sensorId - Sensor number
  • command - pausecall or unpausecall
  • callRef - Call reference from listActiveCalls
curl 'http://server/php/api.php?task=handleActiveCall&user=USER&password=PASSWORD&params={"sensorId":"1","command":"pausecall","callRef":"0x7f0e4c3c2680"}'

getShareURL

Generate public shareable link for a CDR.

Parameters:

Parameter Description
callId or cdrId Call identifier
cidInterval Time window for Call-ID search
rtp true = include RTP data
sip_history true = SIP history only (no RTP)
anonIps true = anonymize IPs
validDays Link validity in days 
curl 'http://server/php/api.php?task=getShareURL&user=USER&password=PASSWORD&params={"callId":"abc123","rtp":true,"validDays":15}'

reportSummary

Generate pre-configured summary report as image or JSON.

⚠️ Warning: Reports must be created in GUI → Reports → Daily Report BEFORE using the API. The report_name parameter must match the report's Description field.

Parameters:

  • report_name - Description field from GUI report
  • datetime_from / datetime_to - Date range
  • json - true = return JSON instead of image
curl 'http://server/php/api.php?task=reportSummary&user=USER&password=PASSWORD&params={"report_name":"Daily Summary","datetime_from":"2024-01-01","datetime_to":"2024-01-31"}'

Other Tasks

Task Description
listCdrIds List CDR IDs with basic info. Params: offset, size
getAudioGraph Get spectrogram/waveform image. Params: cdrId, type (S/P/ALL), side (L/R)

CDR HTTP API

Session-based API using GUI filter parameters. Requires login first.

Authentication

# Step 1: Login and get session
curl -X POST 'http://server/php/model/sql.php?module=bypass_login&user=USER&pass=PASSWORD'
# Returns: {"SID":"abc123...","cookie_name":"PHPSESSID","success":true}

# Step 2: Use session cookie for requests
curl -X POST --cookie "PHPSESSID=abc123..." \
  'http://server/php/model/sql.php?task=LISTING&module=CDR&fdatefrom=2024-01-01T00:00:00&fcaller=123'

ℹ️ Note: If GUI is in subdirectory (e.g., /demo), cookie name changes to PHPSESSID-demo.

Disable authorization: GUI > Settings > System Configuration > "Disable authorization for API usage"

Filter Parameters

Mandatory: task=LISTING, module=CDR, and at least one of fdatefrom or fdateto.

Parameter Description Example
fdatefrom / fdateto Date range 2024-01-01T00:00:00
fcaller / fcalled Caller/called number 123456
fcallerd_type 0=OR, 1=AND 1
fcaller_domain / fcalled_domain SIP domain sip.example.com
fsipcallerip / fsipcalledip SIP IP address 192.168.1.1
fcallid SIP Call-ID abc123
fsipresponse SIP response code 503
fdurationgt / fdurationlt Duration (seconds) 10
fsensor_id Sensor ID 1
fcodec Codec numbers (comma-sep) 0,8
suppress_results 1=count only 1

Paging: page, start, limit

Sorting: sort=[{"property":"calldate","direction":"DESC"}]

⚠️ Warning: Use = (equals) for parameters, not : (colon). Example: fcallerd_type=1 (correct), not fcallerd_type:1 (wrong).

Wildcards

Use %25 (URL-encoded %) for SQL LIKE patterns: 

# Caller starting with "00"
curl -G 'http://server/php/api.php?task=getVoipCalls&user=USER&password=PASSWORD' \
  --data-urlencode 'params={"startTime":"2024-01-01","caller":"%2500%25"}'

Codec Values

Value Codec Value Codec
0 PCMU (G.711 μ-law) 8 PCMA (G.711 A-law)
3 GSM 9 G.722
4 G.723 12 QCELP
18 G.729 97 iLBC
98 Speex 301-305 SILK variants
306-308 iSAC variants 1000 T.38 (Fax)

RTP Quality Filters

Parameter Description
fmosf1, fmosf2, fmosadapt MOS score filters
frtcp_maxjitter, frtcp_avgjitter RTCP jitter
frtcp_maxfr, frtcp_avgfr RTCP frame rate
floss1 - floss10 Packet loss distribution
f_d50, f_d70, f_d90, ... Delay distribution (50ms, 70ms, etc.)

Utility Endpoints

Direct PCAP Download

curl 'http://server/php/pcap.php?id=12345'           # Full PCAP
curl 'http://server/php/pcap.php?id=12345&disable_rtp=1'  # SIP only

CDR URL for Browser

http://server/admin.php?cdr_filter={fcallid:"abc123"}

SIP History

Requires session authentication first. 

# JSON data
curl --cookie "PHPSESSID=..." 'http://server/php/pcap2text.php?action=brief_data&id=12345'

# HTML table
curl --cookie "PHPSESSID=..." 'http://server/php/pcap2text.php?action=brief&id=12345'

# MSC diagram
curl --cookie "PHPSESSID=..." 'http://server/php/pcap2text.php?action=getMSC&id=12345'

License Check

# Basic license check
curl 'http://server/php/apilicensecheck.php?task=licenseCheck'

# Concurrent calls limit check
curl 'http://server/php/apilicensecheck.php?task=licenseCallsLimitCheck'

Share CDR Configuration

Share Link Types

Use /php/model/utilities.php with task=shareCdr:

Type subType Description
Local Public self_protected_link Password-protected local link
Local Private self_login_link Requires GUI login
voipmonitor.org share_link Public via share.voipmonitor.org

Custom Branding

Product Name: Edit config/system_configuration.php: 

define('BRAND_NAME', 'YourCompany');

Share Domain: Edit brand.php to use your domain instead of share.voipmonitor.org: 

define('BRAND_SHARESITE', 'share.yourdomain.com');
define('BRAND_DOMAIN', 'yourdomain.com');

Custom Login (LDAP/SSO)

Custom authentication via scripts/custom_login.php. This applies to GUI login only, NOT to API authentication.

Basic Structure

<?php
function custom_login($user, $password) {
    // Authenticate against external system (LDAP, etc.)
    // ...

    return array(
        'username' => $user,
        'id' => $uniqueNumericId,  // REQUIRED: Must be unique per user!
        'is_admin' => false,
        'id_group' => 1,           // Optional: GUI group ID
        'enable_sensors' => array(1,2,3)  // Optional: restrict to sensors
    );
}
?>

⚠️ Warning: The id field MUST be unique per user. If multiple users return the same ID, they share ALL settings (timezone, dashboard, etc.). Use LDAP uidnumber or crc32($email) for uniqueness.

LDAP Example

See scripts/ldap_custom_login_example.php in GUI directory.

Requirements: php-ldap package installed.

Debug from CLI: 

cd /var/www/html/scripts/
php custom_login.php

Enable debug by uncommenting the debug block at top of script.

Troubleshooting

Users share settings: Return unique id per user (see warning above).

LDAP users can't view CDRs: Ensure is_admin => false and correct id_group is returned.

Script being deleted: GUI antivirus deletes scripts with shell_exec(), exec(), etc.

Solutions:

  1. Disable antivirus in config/system_configuration.php:
define('DISABLE_ANTIVIRUS', true);
  1. Or move shell commands to external file outside web directory and require_once() it.

Azure AD / Microsoft SSO

For Microsoft Entra ID integration, see Microsoft_Sign_in_usage. For Google, see Google_Sign_in_usage.

Return Array Parameters

Full list of available return parameters for custom_login: 

username, name, id, id_group, group_name, is_admin, email
enable_sensors - array of sensor IDs user can access
can_cdr, can_write_cdr, can_play_audio, can_download_audio
can_listen_active_call, can_pcap, can_upload_pcap
can_messages, can_view_content_message, can_graphs
can_activecalls, can_register, can_sip_msg, can_livesniffer
can_capture_rules, can_audit, can_alerts_edit, can_reports_edit
can_dashboard, can_ipacc, can_mtr, can_sensors_operations
can_network, can_edit_codebooks, hide_license_information
ip, number, domain, vlan (user restrictions)
custom_headers_cdr, custom_headers_message
blocked, blocked_reason, req_2fa

See Also


AI Summary for RAG

Summary: VoIPmonitor Web API reference with two main APIs: (1) HTTP API 2 at /php/api.php using user/password authentication for tasks like getVoipCalls, getVoiceRecording, getPCAP, listActiveCalls, getShareURL, handleActiveCall, reportSummary; (2) CDR HTTP API at /php/model/sql.php using session cookies with full GUI filter support. Critical: correct endpoint path is /php/api.php (not /api.php). reportSummary requires pre-configured reports in GUI. Custom login via scripts/custom_login.php enables LDAP/SSO - requires unique numeric ID per user to avoid shared settings. Antivirus may delete scripts with shell_exec - disable with DISABLE_ANTIVIRUS or move to external file. Branding: BRAND_NAME for product name, BRAND_SHARESITE/BRAND_DOMAIN in brand.php for custom share domain.

Keywords: web api, http api, api.php, sql.php, getVoipCalls, getVoiceRecording, getPCAP, getShareURL, listActiveCalls, reportSummary, handleActiveCall, CDR filter, custom login, LDAP, authentication, session, curl, JSON, branding, BRAND_NAME, BRAND_SHARESITE, antivirus, DISABLE_ANTIVIRUS, unique user id, uidnumber

Key Questions:

  • What is the correct VoIPmonitor API endpoint path?
  • How do I retrieve CDRs via the VoIPmonitor API?
  • How to download PCAP or voice recordings via API?
  • How to list active calls via API?
  • How to generate reports via API?
  • How to configure LDAP authentication for VoIPmonitor?
  • Why do LDAP users share settings? (need unique ID)
  • Why is custom_login.php being deleted? (antivirus)
  • How to customize VoIPmonitor branding?
  • What's the difference between api.php and sql.php?
  • How to use wildcards in API filter parameters?
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