318 Matrix ETERNITY NE System Manual
features and Open SIP Clients will be able to use limited features of SARVAM UCS. Refer to “SARVAM
UCS Features supported with RTP/Direct RTP” for more details.
Default: Transcoding.
Direct RTP is not supported on SIP Trunks, VARTA Clients and Extended SPARSH VP710. System will
use RTP Relay for SIP Trunks, VARTA Clients and Extended SPARSH VP710.
• If RTP Relay or Direct RTP is selected,
• maximum 25 Audio calls or 8 Video calls are supported.
• certain voice messages will not be played. See “Voice Message Applications” for more details.
• If you change the RTP Mode, the system will release all ongoing calls.
• If RTP Mode is set as RTP Relay or Direct RTP, the MoH will be played when the system holds any SIP
end point. The MoH is played as per the configured MoH Vocoder Preference.
Select the Vocoders in the order of their preference, for MoH Vocoder Preference 1, MoH Vocoder
Preference 2 and MoH Vocoder Preference 3.
Default: MoH Vocoder Preference 1 is G.729 AB, MoH Vocoder Preference 2 is G.711 A-Law, MoH
Vocoder Preference 3 is G.711 Law.
If required, you can customize the MoH to be played as per your requirement. For detailed instructions,
see “Voice Message Applications”.
Quality of Service
Quality of Service (QoS) refers to priority of IP packets on network layer. QoS is configured for signaling (SIP) and
media (Voice, Video and Fax). SARVAM UCS sends all the SIP signaling messages and the Media packets
according to the QoS settings. To configure QoS for SIP (signaling) and Media (Voice, Video and Fax):
• Click Quality of Service (QoS) to expand.
• Define the priority bits for SIP messages in the SIP Diffserve/ToS. The VoIP module sends all the SIP
signaling messages with this QoS setting. Valid range is 00 to 63. Default: 26.
• Define the priority bits for Voice packets in the Voice DiffServe/ToS. The VoIP module sends all the Voice
packets with this QoS setting. Valid range is 00 to 63. Default: 46.
• Define the priority bits for Video packets in the Video DiffServe/ToS. The VoIP module sends all the Video
packets with this QoS setting. Valid range is 00 to 63. Default: 46.
• Define the priority bits for Fax packets in the Fax DiffServe/ToS. The VoIP module sends all the Fax
packets with this QoS setting. Valid range is 00 to 63. Default: 46.
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