User's Manual

GXV3275 User Manual
GXV3275 WEB GUI
Grandstream Co., Ltd
Software Version：1.0.0.9 Document Version：0.2
153
Validate Incoming
SIP Messages
Defines whether the incoming SIP messages will be validated or not.
Validate Incoming
INVITE Session
If set to "Yes", the phone will response to SIP 401 Unauthorized to validate the
incoming INVITE message. The default setting is "No".
SIP T1 Timeout
The default setting is 0.5 seconds. SIP T1 Timeout is the RTT (Round-Trip Time)
evaluation between the server and client. If the wait time is long, please choose a
larger value in order to guarantee the stability.
SIP T2 interval
The default setting is 4 seconds. This option configures the SIP Protocol T2 Timer (In
Seconds). T2 Timer determines the time interval of INVITE Response and
non-INVITE Request.
Remove OBP from
route
The default setting is "No". This is used for the SIP Extension to notify the SIP server
that the device is behind a NAT/Firewall.
Enable SCA
If set to”Yes”, SCA (Broadsoft standard) will be used as the register account. The
default setting is "No".
Enable BargeIn
If set to”Yes”, users could barge the current call on the shared line. The default
setting is "No".
Auto-filling Pickup
Feature Code
If set to” Yes”, call park will be automatically filled in. The default setting is "No".
Pickup Feature
Code
Configure pickup service code for call park
Line-seize Timeout
Configure the timeout (in seconds).The default setting is "15 seconds".
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