Grandstream Networks GRP2615 Administration Manual page 37

Use P-Preferred-
Identity Header
Use X-Grandstream-
PBX Header
Use P-Access-
Network-Info Header
Use P-Emergency-Info
Header
Use MAC Header
Account x → SIP Settings → Advanced Features
Line-Seize Timeout
Presence Eventlist URI
The default setting is "default".
Controls whether the P-Preferred-Identity Header will present in the SIP
INVITE message.
•
Default: The P-Preferred-Identity Header will show in INVITE unless
"Huawei IMS" special feature is on.
•
Yes: The P-Preferred-Identity Header will always show in INVITE.
•
No: The P-Preferred-Identity Header will not show in INVITE.
The default setting is "default".
Enables / disables the use of X-Grandstream-PBX header in SIP request.
When disabled, the SIP message sent from the phone will not include the
selected header. Default setting is "Yes".
Enables / disables the use of P-Access-Network-Info header in SIP request.
When disabled, the SIP message sent from the phone will not include the
selected header. Default setting is "Yes".
Enables / disables the use of P-Emergency-Info header in SIP request.
When disabled, the SIP message sent from the phone will not include the
selected header. Default setting is "Yes".
•
If Yes except REGISTER, the sip message for register or unregister will
contains MAC address in the header, and all the outgoing SIP messages
except REGISTER message will attach the MAC address to the User-
Agent header;
•
If Yes to all SIP, the sip message for register or unregister will contains
MAC address in the header, and all the outgoing SIP message including
REGISTER will attach the MAC address to the User-Agent header;
•
If No, neither will the MAC header be included in the register or
unregister message nor the MAC address be attached to the User-Agent
header for any outgoing SIP message.
The default setting is "No".
For Shared Call Appearance, phone must send a SUBSCRIBE-request for
the line-seize event package whenever a user attempt to take the shared line
off hook. "Line Seize Timeout" is the line-seize event expiration timer. The
default value is 15 seconds. The valid range is from 15 to 60.
Configures Presence Eventlist URI to monitor the extensions on Multi-
Purpose Keys.
If the server supports this feature, users need to configure a Presence
Eventlist URI on the service side first (i.e., presence@myserver.com) with a
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