SUBSCRIBE for Registration
When set to “Yes”, a SUBSCRIBE for Registration will be sent out periodically.
The default setting is “No”.
Use Privacy Header
Configures whether the “Privacy Header” is present in the SIP INVITE message.
● Default: the phone will add “Privacy Header” when special feature is not “Huawei IMS”.
● Yes: the phone will always add “Privacy Header”.
● No: the phone will not add “Privacy Header”.
The default setting is “default”.
Use P-Preferred- Identity Header
Configures whether the “P-Preferred-Identity Header” is present in the SIP INVITE message.
● Default: the phone will add “P-Preferred-Identity header” when special feature is not
“Huawei IMS”.
● Yes: the phone will always add “P-Preferred-Identity header”.
● No: the phone will not add “P-Preferred-Identity header”.
Use X-Grandstream-PBX Header
Configures to use X-Grandstream-PBX header in SIP request.
Default setting is “Yes”.
Use P-Access-Network-Info Header
Configures to use P-Access-Network-Info header in SIP request.
Default setting is “Yes”.
Use P-Emergency-Info Header
Configures to use P-Emergency-Info header in SIP request.
Default setting is “Yes”.
Use P-Asserted-Identity Header
Configure whether the "P-Asserted-Identity Header" is present in the SIP REGISTER
message.
Use P-Early-Media Header Configure if the "P-Early-Media Header" support is enabled.
Use Zoom E911 X-switch-info SIP
Header
Configure whether the "Zoom E911 X-switch-info SIP Header" is present in the SIP
REGISTER message.
Use MAC Header
● If Register Only, all outgoing SIP message will include the MAC header.
● If Yes to all SIP, all outgoing SIP messages will include the MAC header.
● If No, the phone’s MAC header will not be included in any outgoing SIP messages.
The default setting is “No”.
Add MAC in User-Agent
● If Yes except REGISTER, all outgoing SIP messages will include the phone’s MAC
address in the User-Agent header, except for REGISTER and UNREGISTER.
● If Yes to All SIP, all outgoing SIP messages will include the phone’s MAC address in the
User-Agent header.
● If No, the phone’s MAC address will not be included in the User-Agent header in any
outgoing SIP messages.
The default setting is “No”.
SIP Transport
Selects the network protocol used for the SIP transport.
The default setting is “UDP”.
Enable TCP Keep-alive
Configures whether to enable TCP Keep-alive for the TCP connection between the terminal
and the SIP server.
SIP Listening Mode Configures whether or not to listen to multiple SIP protocols.
● If set to “Dual“, phone will listen to TCP when UDP is selected.