Grandstream Networks GRP261 Series Administration Manual page 28

Use P-Preferred-Identity Header
Use X-Grandstream-PBX Header
Use P-Access-Network-Info Header
Use P-Emergency-Info Header
Use P-Asserted-Identity Header
Use X-switch-info Header
Use MAC Header
Add MAC in User-Agent
SIP Transport
SIP Listening Mode
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. The 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. The 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. The default setting is "Yes".
Configure whether the "P-Asserted-Identity Header" is paresent in the SIP
INVITE message. The default setting is "No".
Configures whether "X-switch-info Header" is included in SIP REGISTER
request.
● If Yes for REGISTER only, 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".
● 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".
Determines the network protocol used for the SIP transport. Users can choose
from TCP, UDP and TLS. The default setting is "UDP".
Determines whether or not to listen to multiple SIP protocols.
● Transport Only: will listen to configured transport protocol only.
● Dual: will listen to TCP when UDP is selected.
● Dual (Secured): will listen to TLS/TCP when UDP is selected. If TCP or
TLS/TCP is selected, UDP will be listened to