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Asterisk PBX

Modules

  • codec_pack.so - TETRA codecs definitions and translations, uses CodecPack.so
  • chan_transit.so - TransitBridge channel driver

Environment variables

CODECPACK=/<path>/CodecPack.so

Dialplan

Outbound calls

Transit/<Core ID>/<ISSI>[/<options>]

Where options are:

  • s - Use simplex call with PTT control
  • t - Use PSTN call (source ISSI 16777184, CALERID(num) is passed as an external number)
  • b - Use PBX call (source ISSI 16777186, CALERID(num) is passed as an external number)
  • n<ID> - Use specified ISSI and pass CALLERID(num) as an external number
  • c<0-3> - Use service number 0-3 (at this moment only 0 / ACELP is supported)
  • p<0-15> - Set call priority

By-default duplex individual call with ACELP (0) and normal priority (0) will be created.

Example:

Dial(Transit/2505/${EXTEN}/t)

Inbound calls

Channel variables:

  • TRANSIT_TYPE=ISSI - Extension ID contains destination ISSI
  • TRANSIT_TYPE=Number - Extension ID contains destination external number
  • TRANSIT_FLOW=PTT - Simplex call
  • TRANSIT_ISSI=<ISSI> - Destination ISSI
    (only when TRANSIT_TYPE=Number, should contain 16777184 for PTSN call or 16777186 for PBX call)
  • TRANSIT_PRIORITY=<0-15> - Call priority
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