Cisco 521SG Administration Guide - Page 237
Reg Retry Long Intvl See, Reg Retry Intvl See note
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Cisco SPA IP Phone Field Reference SIP Tab A Parameter ReINVITE Expires Reg Min Expires Reg Max Expires Reg Retry Intvl (See note below) Reg Retry Long Intvl (See note below) Reg Retry Random Delay Description 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. 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. Defaults to 1200. Random delay range (in seconds) to add to when retrying REGISTER after a failure. This feature was added in Release 5.1. Defaults to blank, which disables this feature. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 236