Display Filter Reference: Inter-Asterisk eXchange v2
Protocol field name: iax2
Versions: 1.0.0 to 3.4.5
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| Field name | Description | Type | Versions |
|---|---|---|---|
| iax2.abstime | Absolute Time | Date and time | 1.0.0 to 3.4.5 |
| iax2.call | Call identifier | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.cap.adpcm | ADPCM | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.alaw | Raw A-law data (G.711) | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.g719 | G.719 (64 kbps assumed) | Boolean | 3.0.0 to 3.4.5 |
| iax2.cap.g722 | G.722 | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.g723_1 | G.723.1 compression | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.g726 | ADPCM (G.726, 32kbps, RFC3551 codeword packing) | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.g726_aal2 | ADPCM (G.726, 32kbps, AAL2 codeword packing) | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.g729a | G.729a Audio | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.gsm | GSM compression | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.h261 | H.261 video | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.h263 | H.263 video | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.h263_plus | H.263+ video | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.h264 | H.264 video | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.ilbc | iLBC Free Compression | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.jpeg | JPEG images | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.lpc10 | LPC10, 180 samples/frame | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.mpeg4 | MPEG4 video | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.opus | Opus audio (8kHz, 16kHz, 24kHz, 48Khz) | Boolean | 3.0.0 to 3.4.5 |
| iax2.cap.png | PNG images | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.siren14 | G.722.1 Annex C (also known as Siren14, 48kbps assumed) | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.siren7 | G.722.1 (also known as Siren7, 32kbps assumed) | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.slinear | Raw 16-bit Signed Linear (8000 Hz) PCM | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.slinear16 | Raw 16-bit Signed Linear (16000 Hz) PCM | Boolean | 1.8.0 to 3.4.5 |
| iax2.cap.speex | SpeeX Free Compression | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.speex16 | SpeeX Wideband (16kHz) Free Compression | Boolean | 3.0.0 to 3.4.5 |
| iax2.cap.t140 | T.140 Text format - ITU T.140, RFC 4103 | Boolean | 3.0.0 to 3.4.5 |
| iax2.cap.t140_red | T.140 RED Text format RFC 4103 | Boolean | 3.0.0 to 3.4.5 |
| iax2.cap.testlaw | Raw testing-law data (G.711) | Boolean | 3.0.0 to 3.4.5 |
| iax2.cap.ulaw | Raw mu-law data (G.711) | Boolean | 1.0.0 to 3.4.5 |
| iax2.cap.vp8 | VP8 video | Boolean | 3.0.0 to 3.4.5 |
| iax2.circuit_id_conflict | Circuit ID conflict | Label | 1.12.0 to 3.4.5 |
| iax2.control.subclass | Control subclass | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.dst_call | Destination call | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.dtmf.subclass | DTMF subclass (digit) | Character string | 1.0.0 to 3.4.5 |
| iax2.fragment | IAX2 Fragment data | Frame number | 1.0.0 to 3.4.5 |
| iax2.fragment.count | Fragment count | Unsigned integer, 4 bytes | 1.6.0 to 3.4.5 |
| iax2.fragment.error | Defragmentation error | Frame number | 1.0.0 to 3.4.5 |
| iax2.fragment.multipletails | Multiple tail fragments found | Boolean | 1.0.0 to 3.4.5 |
| iax2.fragment.overlap | Fragment overlap | Boolean | 1.0.0 to 3.4.5 |
| iax2.fragment.overlap.conflict | Conflicting data in fragment overlap | Boolean | 1.0.0 to 3.4.5 |
| iax2.fragment.toolongfragment | Fragment too long | Boolean | 1.0.0 to 3.4.5 |
| iax2.fragment_unfinished | IAX2 fragment, unfinished | Sequence of bytes | 2.0.0 to 3.4.5 |
| iax2.fragments | IAX2 Fragments | Label | 1.0.0 to 3.4.5 |
| iax2.html.subclass | HTML subclass | Unsigned integer, 1 byte | 1.12.0 to 3.4.5 |
| iax2.html.url | HTML URL | Character string | 1.12.0 to 3.4.5 |
| iax2.iax.aesprovisioning | AES Provisioning info | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.app_addr.sinaddr | Address | IPv4 address | 1.0.0 to 3.4.5 |
| iax2.iax.app_addr.sinfamily | Family | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.app_addr.sinport | Port | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.auth.challenge | Challenge data for MD5/RSA | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.auth.md5 | MD5 challenge result | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.auth.methods | Authentication method(s) | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.auth.rsa | RSA challenge result | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.autoanswer | Request auto-answering | Label | 1.0.0 to 3.4.5 |
| iax2.iax.call_no | Call number of peer | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.called_context | Context for number | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.called_number | Number/extension being called | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.calling_ani | Calling number ANI for billing | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.calling_name | Name of caller | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.calling_number | Calling number | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.callingpres | Calling presentation | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.iax.callingtns | Calling transit network select | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.callington | Calling type of number | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.iax.capability | Actual codec capability | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.capability2 | 64-bit codec capability | Unsigned integer, 8 bytes | 3.0.0 to 3.4.5 |
| iax2.iax.cause | Cause | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.causecode | Hangup cause | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.iax.codecprefs | Codec negotiation | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.cpe_adsi | CPE ADSI capability | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.dataformat | Data call format | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.datetime | Date/Time | Date and time | 1.0.0 to 3.4.5 |
| iax2.iax.datetime.raw | Date/Time | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.devicetype | Device type | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.dialplan_status | Dialplan status | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.dnid | Originally dialed DNID | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.enckey | Encryption key | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.encryption | Encryption format | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.firmwarever | Firmware version | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.format | Desired codec format | Unsigned integer, 8 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.format2 | 64-bit codec format | Unsigned integer, 8 bytes | 3.0.0 to 3.4.5 |
| iax2.iax.fwblockdata | Firmware block of data | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.fwblockdesc | Firmware block description | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.iax_unknown | Unknown IAX command | Sequence of bytes | 1.0.0 to 3.4.5 |
| iax2.iax.language | Desired language | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.moh | Request musiconhold with QUELCH | Label | 1.0.0 to 3.4.5 |
| iax2.iax.msg_count | How many messages waiting | Signed integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.password | Password for authentication | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.provisioning | Provisioning info | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.provver | Provisioning version | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rdnis | Referring DNIS | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.refresh | When to refresh registration | Signed integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rrdelay | Max playout delay in ms for received frames | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rrdropped | Dropped frames (presumably by jitterbuffer) | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rrjitter | Received jitter (as in RFC1889) | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rrloss | Received loss (high byte loss pct, low 24 bits loss count, as in rfc1889) | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rrooo | Frame received out of order | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.rrpkts | Total frames received | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.samplingrate | Supported sampling rates | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.serviceident | Service identifier | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.subclass | IAX subclass | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.iax.transferid | Transfer Request Identifier | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.unknownbyte | Unknown | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.iax.unknownlong | Unknown | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.unknownshort | Unknown | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.iax.unknownstring | Unknown | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.username | Username (peer or user) for authentication | Character string | 1.0.0 to 3.4.5 |
| iax2.iax.version | Protocol version | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.ie_id | IE id | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| iax2.invalid_len | Invalid length | Label | 2.0.0 to 3.4.5 |
| iax2.invalid_ts | Invalid timestamp | Label | 2.0.11 to 2.0.16, 2.2.5 to 2.6.20 |
| iax2.iseqno | Inbound seq.no. | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.lateness | Lateness | Time offset | 1.0.0 to 3.4.5 |
| iax2.length | Length | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| iax2.modem.subclass | Modem subclass | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.oseqno | Outbound seq.no. | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.packet_type | Packet type | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.payload_data | IAX2 payload | Sequence of bytes | 2.0.0 to 3.4.5 |
| iax2.peer_address_unsupported | Peer address unsupported | Label | 1.12.0 to 3.4.5 |
| iax2.reassembled.length | Reassembled IAX2 length | Unsigned integer, 4 bytes | 1.4.0 to 3.4.5 |
| iax2.reassembled_in | IAX2 fragment, reassembled in frame | Frame number | 1.0.0 to 3.4.5 |
| iax2.retransmission | Retransmission | Boolean | 1.0.0 to 3.4.5 |
| iax2.src_call | Source call | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| iax2.subclass | Unknown subclass | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.text.subclass | Text subclass | Unsigned integer, 1 byte | 1.12.0 to 3.4.5 |
| iax2.text.text | Text | Character string | 1.12.0 to 3.4.5 |
| iax2.timestamp | Timestamp | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| iax2.too_many_transfers | Too many transfers for iax_call | Label | 1.12.0 to 3.4.5 |
| iax2.trunk.call.len | Data length | Unsigned integer, 2 bytes | 1.4.0 to 3.4.5 |
| iax2.trunk.call.payload | Data | Sequence of bytes | 1.8.0 to 3.4.5 |
| iax2.trunk.call.scallno | Source call number | Unsigned integer, 2 bytes | 1.4.0 to 3.4.5 |
| iax2.trunk.call.ts | Timestamp | Unsigned integer, 2 bytes | 1.4.0 to 3.4.5 |
| iax2.trunk.cmddata | Command data | Unsigned integer, 1 byte | 1.4.0 to 3.4.5 |
| iax2.trunk.cmddata.ts | Trunk timestamps | Boolean | 1.4.0 to 3.4.5 |
| iax2.trunk.metacmd | Meta command | Unsigned integer, 1 byte | 1.4.0 to 3.4.5 |
| iax2.trunk.ncalls | Number of calls | Unsigned integer, 2 bytes | 1.4.0 to 3.4.5 |
| iax2.type | Type | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.version | Version | Unsigned integer, 1 byte | 3.0.0 to 3.4.5 |
| iax2.video.codec | CODEC | Unsigned integer, 8 bytes | 1.0.0 to 3.4.5 |
| iax2.video.marker | Marker | Boolean | 1.0.0 to 3.4.5 |
| iax2.video.mini_marker | Marker | Unsigned integer, 2 bytes | 2.2.0 to 3.4.5 |
| iax2.video.subclass | Video Subclass (compressed codec no) | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| iax2.voice.codec | CODEC | Unsigned integer, 8 bytes | 1.0.0 to 3.4.5 |
| iax2.voice.subclass | Voice Subclass (compressed codec no) | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
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