VoIP SIP Advanced for the Huawei HG655bRouter Sceenshot

Advance SIP Advanced
Help Common Settings
Registration timeout duration: 20~65535 seconds Session timeout duration: 30~3600 seconds (0 indicates that it is not supported.) Minimum session timeout duration: 90~1800 seconds (0 indicates that it is not supported.) Hold mode: Send only
Inactive Hotline number: Support 100 rel: Enable
Add priority header to SIP emergency call packet: Enable
Connection detecting type using Options field: Disable
Start detecting
Start sending
Detecting interval using Options field: 30s~3600s Line Settings
SIP line index: sipAccount1 sipAccount2
Call waiting: Enable
Conference: Enable
Echo cancellation: Enable Submit