Linksys SPA922 Cisco SPA9000 Voice System Administration Guide - Page 207

SPA9000 Field Reference Voice tab B SIP Timer H RFC 3261 time-out value for ACK receipt, which can range from 0 to 64 seconds. SIP Timer D Default: 32 RFC 3261 wait time for response retransmits, which can range from 0 to 64 seconds. SIP Timer J Default: 32 RFC 3261 wait time for Non-INVITE response hang-around time, which can range from 0 to 64 seconds. INVITE Expires Default: 32 INVITE request Expires header value. If you enter 0, the Expires header is not included in the request. Range: 0-(231- 1). ReINVITE Expires Default: 240 ReINVITE request Expires header value. If you enter 0, the Expires header is not included in the request. Range: 0-(231- 1). Reg Min Expires Default: 30 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 minimum value is used. Reg Max Expires Default: 1 Maximum registration expiration time allowed from the proxy in the Min-Expires header. If the value is larger than this setting, the maximum value is used. Reg Retry Intvl Default: 7200 Interval to wait before the SPA9000 retries registration after failing during the last registration. Reg Retry Long Intvl Default: 30 When registration fails with a SIP response code that does not match, the SPA9000 waits for the specified length of time before retrying. If this interval is 0, the SPA9000 stops trying. This value should be much larger than the Reg Retry Intvl value, which should not be 0. Default: 1200 Reg Retry Random Delay Random delay range (in seconds) to add to when retrying REGISTER after a failure. Default: 0 (disabled) SPA9000 Voice System Administration Guide 205