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Display Filter Reference: Inter-Asterisk eXchange v2
Protocol field name: iax2
Versions: 1.0.0 to 1.6.5
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| Field name | Type | Description | Versions |
|---|---|---|---|
| iax2.abstime | Date and time | Absolute Time | 1.0.0 to 1.6.5 |
| iax2.call | Unsigned integer, 4 bytes | Call identifier | 1.0.0 to 1.6.5 |
| iax2.cap.adpcm | Boolean | ADPCM | 1.0.0 to 1.6.5 |
| iax2.cap.alaw | Boolean | Raw A-law data (G.711) | 1.0.0 to 1.6.5 |
| iax2.cap.g723_1 | Boolean | G.723.1 compression | 1.0.0 to 1.6.5 |
| iax2.cap.g726 | Boolean | G.726 compression | 1.0.0 to 1.6.5 |
| iax2.cap.g729a | Boolean | G.729a Audio | 1.0.0 to 1.6.5 |
| iax2.cap.gsm | Boolean | GSM compression | 1.0.0 to 1.6.5 |
| iax2.cap.h261 | Boolean | H.261 video | 1.0.0 to 1.6.5 |
| iax2.cap.h263 | Boolean | H.263 video | 1.0.0 to 1.6.5 |
| iax2.cap.ilbc | Boolean | iLBC Free compressed Audio | 1.0.0 to 1.6.5 |
| iax2.cap.jpeg | Boolean | JPEG images | 1.0.0 to 1.6.5 |
| iax2.cap.lpc10 | Boolean | LPC10, 180 samples/frame | 1.0.0 to 1.6.5 |
| iax2.cap.png | Boolean | PNG images | 1.0.0 to 1.6.5 |
| iax2.cap.slinear | Boolean | Raw 16-bit Signed Linear (8000 Hz) PCM | 1.0.0 to 1.6.5 |
| iax2.cap.speex | Boolean | SPEEX Audio | 1.0.0 to 1.6.5 |
| iax2.cap.ulaw | Boolean | Raw mu-law data (G.711) | 1.0.0 to 1.6.5 |
| iax2.control.subclass | Unsigned integer, 1 byte | Control subclass | 1.0.0 to 1.6.5 |
| iax2.dst_call | Unsigned integer, 2 bytes | Destination call | 1.0.0 to 1.6.5 |
| iax2.dtmf.subclass | Character string | DTMF subclass (digit) | 1.0.0 to 1.6.5 |
| iax2.fragment | Frame number | IAX2 Fragment data | 1.0.0 to 1.6.5 |
| iax2.fragment.count | Unsigned integer, 4 bytes | Fragment count | 1.6.0 to 1.6.5 |
| iax2.fragment.error | Frame number | Defragmentation error | 1.0.0 to 1.6.5 |
| iax2.fragment.multipletails | Boolean | Multiple tail fragments found | 1.0.0 to 1.6.5 |
| iax2.fragment.overlap | Boolean | Fragment overlap | 1.0.0 to 1.6.5 |
| iax2.fragment.overlap.conflict | Boolean | Conflicting data in fragment overlap | 1.0.0 to 1.6.5 |
| iax2.fragment.toolongfragment | Boolean | Fragment too long | 1.0.0 to 1.6.5 |
| iax2.fragments | Label | IAX2 Fragments | 1.0.0 to 1.6.5 |
| iax2.iax.aesprovisioning | Character string | AES Provisioning info | 1.0.0 to 1.6.5 |
| iax2.iax.app_addr.sinaddr | IPv4 address | Address | 1.0.0 to 1.6.5 |
| iax2.iax.app_addr.sinfamily | Unsigned integer, 2 bytes | Family | 1.0.0 to 1.6.5 |
| iax2.iax.app_addr.sinport | Unsigned integer, 2 bytes | Port | 1.0.0 to 1.6.5 |
| iax2.iax.auth.challenge | Character string | Challenge data for MD5/RSA | 1.0.0 to 1.6.5 |
| iax2.iax.auth.md5 | Character string | MD5 challenge result | 1.0.0 to 1.6.5 |
| iax2.iax.auth.methods | Unsigned integer, 2 bytes | Authentication method(s) | 1.0.0 to 1.6.5 |
| iax2.iax.auth.rsa | Character string | RSA challenge result | 1.0.0 to 1.6.5 |
| iax2.iax.autoanswer | Label | Request auto-answering | 1.0.0 to 1.6.5 |
| iax2.iax.call_no | Unsigned integer, 2 bytes | Call number of peer | 1.0.0 to 1.6.5 |
| iax2.iax.called_context | Character string | Context for number | 1.0.0 to 1.6.5 |
| iax2.iax.called_number | Character string | Number/extension being called | 1.0.0 to 1.6.5 |
| iax2.iax.calling_ani | Character string | Calling number ANI for billing | 1.0.0 to 1.6.5 |
| iax2.iax.calling_name | Character string | Name of caller | 1.0.0 to 1.6.5 |
| iax2.iax.calling_number | Character string | Calling number | 1.0.0 to 1.6.5 |
| iax2.iax.callingpres | Unsigned integer, 1 byte | Calling presentation | 1.0.0 to 1.6.5 |
| iax2.iax.callingtns | Unsigned integer, 2 bytes | Calling transit network select | 1.0.0 to 1.6.5 |
| iax2.iax.callington | Unsigned integer, 1 byte | Calling type of number | 1.0.0 to 1.6.5 |
| iax2.iax.capability | Unsigned integer, 4 bytes | Actual codec capability | 1.0.0 to 1.6.5 |
| iax2.iax.cause | Character string | Cause | 1.0.0 to 1.6.5 |
| iax2.iax.causecode | Unsigned integer, 1 byte | Hangup cause | 1.0.0 to 1.6.5 |
| iax2.iax.codecprefs | Character string | Codec negotiation | 1.0.0 to 1.6.5 |
| iax2.iax.cpe_adsi | Unsigned integer, 2 bytes | CPE ADSI capability | 1.0.0 to 1.6.5 |
| iax2.iax.dataformat | Unsigned integer, 4 bytes | Data call format | 1.0.0 to 1.6.5 |
| iax2.iax.datetime | Date and time | Date/Time | 1.0.0 to 1.6.5 |
| iax2.iax.datetime.raw | Unsigned integer, 4 bytes | Date/Time | 1.0.0 to 1.6.5 |
| iax2.iax.devicetype | Character string | Device type | 1.0.0 to 1.6.5 |
| iax2.iax.dialplan_status | Unsigned integer, 2 bytes | Dialplan status | 1.0.0 to 1.6.5 |
| iax2.iax.dnid | Character string | Originally dialed DNID | 1.0.0 to 1.6.5 |
| iax2.iax.enckey | Character string | Encryption key | 1.0.0 to 1.6.5 |
| iax2.iax.encryption | Unsigned integer, 2 bytes | Encryption format | 1.0.0 to 1.6.5 |
| iax2.iax.firmwarever | Unsigned integer, 2 bytes | Firmware version | 1.0.0 to 1.6.5 |
| iax2.iax.format | Unsigned integer, 4 bytes | Desired codec format | 1.0.0 to 1.6.5 |
| iax2.iax.fwblockdata | Character string | Firmware block of data | 1.0.0 to 1.6.5 |
| iax2.iax.fwblockdesc | Unsigned integer, 4 bytes | Firmware block description | 1.0.0 to 1.6.5 |
| iax2.iax.iax_unknown | Sequence of bytes | Unknown IAX command | 1.0.0 to 1.6.5 |
| iax2.iax.language | Character string | Desired language | 1.0.0 to 1.6.5 |
| iax2.iax.moh | Label | Request musiconhold with QUELCH | 1.0.0 to 1.6.5 |
| iax2.iax.msg_count | Signed integer, 2 bytes | How many messages waiting | 1.0.0 to 1.6.5 |
| iax2.iax.password | Character string | Password for authentication | 1.0.0 to 1.6.5 |
| iax2.iax.provisioning | Character string | Provisioning info | 1.0.0 to 1.6.5 |
| iax2.iax.provver | Unsigned integer, 4 bytes | Provisioning version | 1.0.0 to 1.6.5 |
| iax2.iax.rdnis | Character string | Referring DNIS | 1.0.0 to 1.6.5 |
| iax2.iax.refresh | Signed integer, 2 bytes | When to refresh registration | 1.0.0 to 1.6.5 |
| iax2.iax.rrdelay | Unsigned integer, 2 bytes | Max playout delay in ms for received frames | 1.0.0 to 1.6.5 |
| iax2.iax.rrdropped | Unsigned integer, 4 bytes | Dropped frames (presumably by jitterbuffer) | 1.0.0 to 1.6.5 |
| iax2.iax.rrjitter | Unsigned integer, 4 bytes | Received jitter (as in RFC1889) | 1.0.0 to 1.6.5 |
| iax2.iax.rrloss | Unsigned integer, 4 bytes | Received loss (high byte loss pct, low 24 bits loss count, as in rfc1889) | 1.0.0 to 1.6.5 |
| iax2.iax.rrooo | Unsigned integer, 4 bytes | Frame received out of order | 1.0.0 to 1.6.5 |
| iax2.iax.rrpkts | Unsigned integer, 4 bytes | Total frames received | 1.0.0 to 1.6.5 |
| iax2.iax.samplingrate | Unsigned integer, 2 bytes | Supported sampling rates | 1.0.0 to 1.6.5 |
| iax2.iax.serviceident | Character string | Service identifier | 1.0.0 to 1.6.5 |
| iax2.iax.subclass | Unsigned integer, 1 byte | IAX subclass | 1.0.0 to 1.6.5 |
| iax2.iax.transferid | Unsigned integer, 4 bytes | Transfer Request Identifier | 1.0.0 to 1.6.5 |
| iax2.iax.unknownbyte | Unsigned integer, 1 byte | Unknown | 1.0.0 to 1.6.5 |
| iax2.iax.unknownlong | Unsigned integer, 4 bytes | Unknown | 1.0.0 to 1.6.5 |
| iax2.iax.unknownshort | Unsigned integer, 2 bytes | Unknown | 1.0.0 to 1.6.5 |
| iax2.iax.unknownstring | Character string | Unknown | 1.0.0 to 1.6.5 |
| iax2.iax.username | Character string | Username (peer or user) for authentication | 1.0.0 to 1.6.5 |
| iax2.iax.version | Unsigned integer, 2 bytes | Protocol version | 1.0.0 to 1.6.5 |
| iax2.iseqno | Unsigned integer, 2 bytes | Inbound seq.no. | 1.0.0 to 1.6.5 |
| iax2.lateness | Time offset | Lateness | 1.0.0 to 1.6.5 |
| iax2.modem.subclass | Unsigned integer, 1 byte | Modem subclass | 1.0.0 to 1.6.5 |
| iax2.oseqno | Unsigned integer, 2 bytes | Outbound seq.no. | 1.0.0 to 1.6.5 |
| iax2.packet_type | Unsigned integer, 1 byte | Packet type | 1.0.0 to 1.6.5 |
| iax2.reassembled.length | Unsigned integer, 4 bytes | Reassembled IAX2 length | 1.4.0 to 1.6.5 |
| iax2.reassembled_in | Frame number | IAX2 fragment, reassembled in frame | 1.0.0 to 1.6.5 |
| iax2.retransmission | Boolean | Retransmission | 1.0.0 to 1.6.5 |
| iax2.src_call | Unsigned integer, 2 bytes | Source call | 1.0.0 to 1.6.5 |
| iax2.subclass | Unsigned integer, 1 byte | Unknown subclass | 1.0.0 to 1.6.5 |
| iax2.timestamp | Unsigned integer, 4 bytes | Timestamp | 1.0.0 to 1.6.5 |
| iax2.trunk.call.len | Unsigned integer, 2 bytes | Data length | 1.4.0 to 1.6.5 |
| iax2.trunk.call.scallno | Unsigned integer, 2 bytes | Source call number | 1.4.0 to 1.6.5 |
| iax2.trunk.call.ts | Unsigned integer, 2 bytes | Timestamp | 1.4.0 to 1.6.5 |
| iax2.trunk.cmddata | Unsigned integer, 1 byte | Command data | 1.4.0 to 1.6.5 |
| iax2.trunk.cmddata.ts | Boolean | Trunk timestamps | 1.4.0 to 1.6.5 |
| iax2.trunk.metacmd | Unsigned integer, 1 byte | Meta command | 1.4.0 to 1.6.5 |
| iax2.trunk.ncalls | Unsigned integer, 2 bytes | Number of calls | 1.4.0 to 1.6.5 |
| iax2.type | Unsigned integer, 1 byte | Type | 1.0.0 to 1.6.5 |
| iax2.video.codec | Unsigned integer, 4 bytes | CODEC | 1.0.0 to 1.6.5 |
| iax2.video.marker | Unsigned integer, 2 bytes | Marker | 1.0.0 to 1.6.5 |
| iax2.video.subclass | Unsigned integer, 1 byte | Video Subclass (compressed codec no) | 1.0.0 to 1.6.5 |
| iax2.voice.codec | Unsigned integer, 4 bytes | CODEC | 1.0.0 to 1.6.5 |
| iax2.voice.subclass | Unsigned integer, 1 byte | Voice Subclass (compressed codec no) | 1.0.0 to 1.6.5 |