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Mitel

Mitel devices​

Mitel 3300 ur3​

Using a SIP Trunk, works well calling Mitel phones over SIP or Minet, voicemail, etc.

Note: you may have issues with ptime discrepancies. Try using absolute_codec_string=PCMU and see if it clears up the audio. It seems to be an issue with ptime being 20 but timestamps being off.

  • Registration: works
  • Caller Id: works
  • Call in/out: works
  • Call waiting: not tested
  • Transfer calls: not tested
  • TLS: not tested
  • SRTP: not tested

Mitel 3300 ICP​

Using a SIP Trunk, calls work well on all devices. Outgoing calls required adding <param name="extension-in-contact" value="xxxx"/> to the SIP profile, otherwise the gateway would always return a SIP 404 Not Found message.

Mitel 5224 Phone​

Mitel 5224 four "line" IP hard phone running in SIP mode.

  • SIP firmware 07.01.00.09:
    • Registration: works
    • Caller Id: works
    • Call in/out: works
    • Call waiting: works
    • Transfer calls: works
    • TLS: not tested
    • SRTP: not tested

Mitel 5330 Phone​

  • SIP firmware Main: R7.0.01.02.00.27 Boot: 01.02.00.27
    • Registration: works
    • Caller Id: works
    • Call in/out: works
    • Call waiting: not tested
    • Transfer calls: not tested
    • TLS: not tested
    • SRTP: not tested

Mitel 5212 Phone​

See Mitel 5224, above. Operates very similar to and uses the same firmware as the 5224.