H.323 for the VoIP Client in IGEL OS 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 for VoIP Client in IGEL OS.

Enable H.245 tunneling

☑ 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.

☐ A separate TCP connection is established for H.245.

Enable early H.245

☑ 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

☑ 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.