The 100rel tag is for the reliability of provisional responses. When presented in a Supported header, it indicates that the phone can send or receive reliable provisional responses. When presented in a Require header in a reliable provisional response, it indicates that the response is to be sent reliably.
The following table lists the parameter you can use to configure the 100 reliable retransmission.
| Parameter | DBID_PRACK_ENABLE |
|---|---|
| Description | It enables or disables the 100 reliable retransmission feature. |
| Permitted Values | 0-Disabled 1-Enabled |
| Default | 0 |
| Web UI | SIP Account > Line X [1] > Advanced > SIP Advanced Setup > Enable SIP 100REL |
[1] X is the account ID. X = 1-4
Author：admin Create time：2023-08-30 17:24
Last editor：admin Update time：2023-12-22 13:50
Last editor：admin Update time：2023-12-22 13:50
