Cisco SPA502 Administration Guide - Page 108
Reg Min Expires, Reg Retry Intvl
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Configuring SIP, SPCP, and NAT Configuring SIP 4 Parameter Description SIP Timer H RFC-3261 INVITE final response time-out value for ACK receipt. Ranges from 0 to 64 seconds. Defaults to 16 seconds. SIP Timer D RFC-3261 wait time for response retransmits. Ranges from 0 to 64 seconds. Defaults to 16 seconds. SIP Timer J RFC-3261 Wait time for Non-INVITE request retransmits. Ranges from 0 to 64 seconds. Defaults to 16 seconds. INVITE Expires The length of time the INVITE is valid. If you enter 0, the Expires header is not included in the request. Ranges from 0 to 19999999999999999999999999999999. Defaults to 240 seconds. ReINVITE Expires ReINVITE request Expires header value. If you enter 0, the Expires header is not included in the request. Ranges from 0 to 19999999999999999999999999999999. Defaults to 30 Reg Min Expires Minimum registration expiration time allowed from the proxy in the Expires header or as a Contact header parameter. If the proxy returns a value less than this setting, the smallest of the two values is used. Defaults to 1 second. Reg Max Expires Maximum registration expiration time allowed from the proxy in the Min-Expires header. If the value is greater than this setting, the largest of the two values is used. Defaults to 7200 seconds. Reg Retry Intvl1 Interval to wait before the Cisco IP phone retries registration after failing during the previous registration. The range is from 1 to 268435455. Do not enter 0. Defaults to 30 seconds. Reg Retry Long Intvl1 When registration fails with a SIP response code that does not match the Retry Reg response status code (RSC) value (see next table), the IP phone waits for this length of time before retrying. If this interval is 0, the Cisco IP phone stops trying. This value should be much larger than the Reg Retry Intvl value. The range is from 0 to 268435455. Defaults to 1200 seconds. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 107