H.323 for the VoIP Client in IGEL OS

You can change H.323-specific settings for forwarding, H.245, quick start and for the multi-frequency dialing process (DTMF).

Menu path: Setup > Sessions > VoIP Client > H.323

• Forward URI: H.323 URI to which inbound calls are forwarded if forwarding is enabled. You will find further information on forwarding under Call Options.

• Enable H.245 tunneling

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  H.245 messages will be packaged in H.225 messages. In this way, no additional TCP connection must be established. (Default)

  

  For H.245 tunneling, port 1720 is required.

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  A separate TCP connection is established for H.245.

• Enable early H.245

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  H.245 will be launched at an earlier point in the connection process. The voice connection can be established more quickly as a result. (Standard)

• Enable Fast Start procedure

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  The voice connection will be established in quick start mode (fast connect, part of H.323 v2). (Standard)

• DTMF senden als: Specifies how key sequences are transmitted while a connection is in place.
  Mögliche Werte:

  • String: The key sequence is transmitted using H.245 User Input Indication. (Default)

  • Tone: The key sequence is transmitted as a tone sequence in the audio data flow.

  • RFC 2833: The key sequence is transmitted using RTP (Real-time Transport Protocol).

  • Q.931: The key sequence is transmitted via the signaling channel.