If this setting is "on", the warning header is displayed when the received warning code is matched with the list of accepted codes, which is specified on sip_header_warning_codes. Otherwise, it is not displayed.
Advanced → SIP/RTP(Tab) → SIP(Section) → SIP Header Warning
N/A
| Parameter | Valid value |
|---|---|
| <sip_header_warning perm="PERMISSIONFLAG">VALIDVALUE</sip_header_warning> | <on>, <off> |