Grandstream Networks GXV3275 Administration Manual page 48

Allow Unsolicited REFER
Only Accept SIP Requests
from Known Servers
Allow SIP Reset
SIP T1 Timeout
SIP T2 Interval
SIP Timer D Interval
Remove OBP from Route
Check Domain Certificate
Validate Certification Chain
Enable SCA (Shared Call
Appearance)
Enable BargeIn
Auto-filling Pickup Feature
Code
It is used to configure whether to dial the number carried by Refer-to after receiving
SIP REFER request actively. If it is set to "Disabled", the phone will send error
warning and stop dialing. If it is set to "Enabled/Force Auth", the phone will dial the
number after sending authentication, if the authentication failed, then the dialing will
be stopped. If it is set to "Enabled", the phone will dial up all numbers carried by
SIP REFER. The default is "Disabled".
Answers the SIP request from saved servers when set to "Yes", only the SIP
requests from saved servers will be accepted; and the SIP requests from the
unregistered server will be rejected. The default setting is "No".
It is used to configure whether to allow SIP Notification message to perform factory
reset on the phone. The default setting is "No".
Defines an estimate of the round trip time of transactions between a client and
server. If no response is received in T1, the figure will increase to 2*T1 and then
4*T1. The request re-transmit retries would continue until a maximum amount of
time define by T2.The default setting is 0.5 sec.
Specifies the maximum retransmit time of any SIP request messages (excluding
the SIP INVITE message). The re-transmitting and doubling of T1 continues until it
reaches the T2 value. The default setting is 4 sec.
Defines the amount of time that the server transaction can remain when unreliable
response (3xx-6xx) received. The valid value is 0-64 seconds.
The default value is 0.
Configures the phone system to remove the outbound proxy URI from the Route
header. This is used for the SIP Extension to notify the SIP server that the device
is behind a NAT/Firewall. If it is set to "Yes", it will remove the Route header from
SIP requests. The default setting is "No".
Sets the phone system to check the domain certificates if TLS/TCP is used for SIP
Transport. The default setting is "No".
Configures whether to validate certification chain, when TLS/TCP is configured for
SIP Transport. If this is set to "Yes", phone will validate server against the new
certificate list. The default setting is "No".
Enable/disables the Shared Call Appearance (the Broadsoft Standard) feature for
this account. If it is set to "Yes", the phone system can update and share account
status with other device. The default setting is "No".
Enables/disables the Barge-In feature. If it is set to "Yes", the user could tap the
SCA account to barge into an active session with another shared line. The default
setting is "No".
Sets if the phone system will add the configured feature code to retrieve parked
calls. If it is set to "Yes", the "Pickup Feature Code" configured will be automatically
prepended on the phone's dial pad when retrieving the parked call. The default
setting is "Yes". This option will be active only if "Special Mode" is set to "Broadsoft"
and "Enable SCA" is set to "Yes".
GXV3275 Administration Guide
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