Firmware Version 1.0.1.20 - Grandstream Networks GXV3275 Administration Manual

Symmetric RTP
Support SIP Instance ID
Validate Incoming SIP
Messages
Authenticate Incoming INVITE
SIP T1 Timeout
SIP T2 interval
Remove OBP from route
Check Domain Certificate
Enable SCA (Shared Call
Appearance)
Enable BargeIn
Auto-filling Pickup Feature
Code
Pickup Feature Code
Line-seize Timeout

Firmware Version 1.0.1.20

listening port on the phone. Otherwise, they will use the ephemeral port
for the particular connection. The default setting is "No".
Defines whether symmetric RTP is supported or not. The default setting
is "No".
Defines whether SIP Instance ID is supported or not. The default setting
is "Yes".
Choose whether the incoming messages will be validated or not. The
default setting is "No".
If set to "Yes", the phone will challenge the incoming INVITE for
authentication with SIP 401 Unauthorized response. The default setting
is "No".
SIP T1 Timeout (in seconds). The default setting is 0.5 sec.
SIP T2 Interval (in seconds). The default setting is 4 sec.
Configures to remove outbound proxy from route. This is used for the
SIP Extension to notify the SIP server that the device is behind a
NAT/Firewall. The default setting is "No".
Choose whether the domain certificates will be checked or not when
TLS/TCP is used for SIP Transport. The default setting is "No".
If set to "Yes", the Shared Call Appearance (Broadsoft Standard) will be
used for the registered account. The default setting is "No".
If set to "Yes", the user could barge into an active call on a shared line.
The default setting is "No".
If set to "Yes", the "Pickup Feature Code" configured in web UI will be
automatically filled in on the phone's dial pad when picking up the
parked call. The default setting is "Yes". This option is used when
"Special Mode" is set to "Broadsoft" and "Enable SCA" is set to "Yes".
Configure the pickup feature code for call park. If "Auto-filling Pickup
Feature Code" is set to "Yes", this pickup feature code will be
automatically filled in on the phone's dial pad when picking up the
parked call. This option is used when "Special Mode" is set to
"Broadsoft" and "Enable SCA" is set to "Yes".
For Shared Call Appearance, phone must send a SUBSCRIBE request
for the line-seize event package whenever a user attempts 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.
GXV3275 Administration Guide Page 42 of 77