Grandstream GXV3240 Administration Guide - Manual (Page 57)

Firmware Version 1.0.3.37 GXV3240 Administration Guide Page 55 of 117
will increased 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.
SIP T2 Interval
It is used to define 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.
SIP Timer D Interval
It is used to define 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.
Remove OBP from Route
It is used to set if the phone system will remove 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".
Check Domain Certificates
It is used to set if the phone system will check the domain certificates
if TLS/TCP is used for SIP Transport. The default setting is "No".
Validate Certification Chain
It is used to configure 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 SCA (Shared Call
Appearance)
It is used to set if the phone system will enable 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".
Enable BargeIn
It is used to set if the phone system will enable 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".
Auto-filling Pickup Feature
Code
It is used to set 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".
Pickup Feature Code
It is used to configure the pickup feature code for call park retrieving. If
"Auto-filling Pickup Feature Code" is set to "Yes", the pickup feature
code will be automatically filled in on the phone's dial pad when
retrieving the parked call. This option is used when "Special Mode" is