Rport allows a client to request that the server sends the response back to the source IP address and port from which the request originated. It helps the phone traverse symmetric NATs.
Rport feature depends on support from a SIP server. For more information, refer to RFC 3581.
The following table lists the parameter you can use to configure rport.
| Parameter | DBID_SIP_RPORT |
|---|---|
| Description | It enables or disables the phone to add the “rport” parameter in the Via header. |
| Permitted Values | 0-Disable 1-Enable, the INVITE Contact header uses the port in the “rport” parameter but does not use the source IP address in the “received” parameter in the Via header of server’s response. 2-Enable Direct Process, the INVITE Contact header uses the port in the “rport” parameter and uses the source IP address in the “received” parameter in the Via header of server’s response. |
| Default | 1 |
| Web UI | SIP Account > Line X [1] > Advanced > SIP Advanced Setup > RPort |
[1] X is the account ID. X = 1-4
Author：admin Create time：2023-08-30 16:58
Last editor：admin Update time：2023-12-22 13:50
Last editor：admin Update time：2023-12-22 13:50
