Linksys SPA922 Cisco Small Business Pro SPA and Wireless IP Phone Administrati - Page 208

SPA and Wireless IP Phone Field Reference SIP Tab B Parameter SIP T4 SIP Timer B SIP Timer F SIP Timer H SIP Timer D SIP Timer J INVITE Expires ReINVITE Expires Reg Min Expires Reg Max Expires Reg Retry Intvl (See note below) Description RFC 3261 T4 value (maximum duration a message remains in the network), which can range from 0 to 64 seconds. Defaults to 5 seconds. INVITE time-out value, which can range from 0 to 64 seconds. Defaults to 16 seconds. Non-INVITE time-out value, which can range from 0 to 64 seconds.Defaults to 16 seconds. INVITE final response, time-out value, which can range from 0 to 64 seconds.Defaults to 16 seconds. ACK hang-around time, which can range from 0 to 64 seconds. Defaults to 16 seconds. Non-INVITE response hang-around time, which can range from 0 to 64 seconds. Defaults to 16 seconds. INVITE request Expires header value. If you enter 0, the Expires header is not included in the request. Ranges from 0 to 19999999999999999999999999999999. Defaults to 240 seconds. 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 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. Defaults to 1 second. 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. Defaults to 7200. Interval to wait before the SPA9000 retries registration after failing during the last registration. Defaults to 30. Cisco SPA and Wireless IP Phone Administration Guide 206