Cisco SPA942-RC Administration Guide - Page 95
Configuring SIP Timer Values, Admin Login, advanced, SIP Timer Values, Submit All Changes
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Configuring SIP, SPCP, and NAT Configuring SIP 5 Configuring SIP Timer Values To configure SIP timer values: STEP 1 Log in to the web administration interface. STEP 2 Click Admin Login and advanced. STEP 3 Click the SIP tab. STEP 4 Under SIP Timer Values, make the necessary configuration changes to the fields shown in the following table and click Submit All Changes. Parameter SIP T1 SIP T2 SIP T4 SIP Timer B SIP Timer F SIP Timer H Description RFC 3261 T1 value (RTT estimate). Ranges from 0 to 64 seconds. Defaults to .5 seconds. RFC 3261 T2 value, which is the maximum retransmit interval for non-INVITE requests and INVITE responses. Ranges from 0 to 64 seconds. Defaults to 4 seconds. RFC 3261 T4 value, which is the maximum duration a message remains in the network. Ranges from 0 to 64 seconds. Defaults to 5 seconds. RFC 3261 INVITE transaction time-out value. Ranges from 0 to 64 seconds. Defaults to 16 seconds. RFC 3261 Non-INVITE transaction time-out value. Ranges from 0 to 64 seconds. Defaults to 16 seconds. RFC 3261 INVITE final response time-out value for ACK receipt. Ranges from 0 to 64 seconds. Defaults to 16 seconds. Cisco SPA and Wireless IP Phone Administration Guide 93