UCM Admin Portal Help

SIP / Media

SIP / Media menu

To configure general SIP/MEDIA options

  1. Enter the RTP Port Range. This port range defines the ports used for media when setting up a call. The defaults are 16384 to 32768.
  2. Enter the Primary Registration Expiry. This is the number of seconds that the SIP registration is valid before phones must reregister with the Teo UC server. The default value is 3600 seconds (1 hour).
  3. Select the number of Registration retries, which is the number of times that Teo IP phones will attempt to register before switching over to a backup server.
  4. Enter the blf presence subscription expiry. This is the number of seconds that the SIP Presence subscription is valid before phones must resubscribe with the Teo UC server. The default value is 3600 seconds (1 hour).

To configure internal SIP transport

These options control internal system transport settings for network traffic.

  1. Select ENABLE AUTO-NAT if the Teo UC server is supporting devices behind a firewall. Also select an auto-nat type.
  2. Enter an EXTERNAL SIP ADDRESS if needed. This is the SIP proxy address used by external devices to connect to the Teo UC System.
  3. Under proxy/registrar ports, complete the TCP/UDP and TLS fields. The TCP/UDP default is 5060, and the TLS default is 5061.
  4. Enter the default sip password.
  5. Click Save button when finished.

To configure the settings in the MEDIA area

The MEDIA area lets you enable and set preferences for codec negotiation.

Once you add and enable codecs, you can establish the order in which the system attempts to utilize any codec. It will go down the list and connect calls with the first compatible codec for each call.

  1. Enter an EXTERNAL RTP ADDRESS if needed. This is the address used by external devices to transmit RTP packets to the Teo UC System.
  2. Check the ALLOW BYPASS MEDIA option as required. When enabled, the media stream for intra-system calls bypasses the server and flows directly between endpoints. When disabled, all voice packets are routed through the server, which adds some additional packet delay and increases server overhead, but may be required for some network configurations.
  3. Under ENABLED CODECS, select audio and video codecs that can be used in the system.

    The codec list is arranged in order of preference for codec negotiation; use the arrows to move a codes up or down in the list.

    Sorting Codec Order
  4. You can remove a codec from the list by hovering the cursor over a codec and clicking the X that appears to the right of the codec name.
  5. To add a codec, select a supported codec from the drop-down list, and then click Add Codec button.
See also