Matrix Sparsh VP110 User Manual

Matrix SPARSH VP110 User Guide 237
SIP Session Timer
SIP session timers T1, T2 and T4 are SIP transaction layer timers defined in RFC 3261. Timer T1 is an estimate of
the Round Trip Time (RTT) of transactions between a SIP client and SIP server. Timer T2 represents the maximum
retransmit interval for non-INVITE requests and INVITE responses. Timer T4 represents the maximum duration a
message will remain in the network. These session timers are configurable on IP phones.
Procedure
SIP session timer can be configured using the configuration files or locally.
To configure session timer via web user interface:
• Click on Account-> Advanced.
• Enter the desired value in the SIP Session Timer T1 (0.5~10s) field.
The default value is 0.5s.
• Enter the desired value in the SIP Session Timer T2 (2~40s) field.
The default value is 4s.
• Enter the desired value in the SIP Session Timer T4 (2.5~60s) field.
ConfigurationFile <MAC>.cfg
Configure SIPsessiontimer.
Formoreinformation,refer“Appendix
D‐ConfigurationParameters”.
Local WebUserInt erface
Configure SIPsessiontimer.
Navigateto:http://<phoneIPAddress>/
servlet?p=account‐adv&q=load&acc=0

Matrix Sparsh VP110 Specifications

General

Brand	Matrix
Model	Sparsh VP110
Category	IP Phone
Language	English