Since the phone supports conferencing and multiple RTP streams, it can use several ports concurrently. You can specify the phone’s RTP port range.

The following table lists the parameters you can use to configure RTP ports.

Parameter DBID_SYMMETRIC_RTP_ENABLE
Description It configures the symmetrical RTP feature.
Permitted Values 0-Disable
1-Enable
Default 0
Web UI SIP Account > Line X [1] > RTP Advanced Setup > Symmetric RTP
Parameter DBID_RTP_PORT
Description It configures the minimum local RTP port.
Permitted Values Integer from 0 to 65535
Default 0
Web UI SIP Account > Line X [1] > RTP Advanced Setup > RTP Port Min
Parameter DBID_RTP_PORT_END
Description It configures the maximum local RTP port.
Permitted Values 0-Disable
1-Enable
Default 50000
Web UI SIP Account > Line X [1] > RTP Advanced Setup > RTP Port Max

[1] X is the account ID. X = 1-4

Author:admin  Create time:2023-08-30 17:44
Last editor:admin  Update time:2023-12-22 13:50