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== Polling == * In Tmedia, option [[Parameter:_Poll_Remote_Proxy|"Poll Remote Proxy?"]] is enabled by default * Tmedia SIP polling is using SIP OPTIONS method to "poke" a SIP [[NAP|Network Access Point (NAP)]] to see if it's alive or not, that is, [[NAP]] availability * Upon a response from the SIP [[NAP]], Tmedia will determine whether to mark the [[NAP]] as up * If the option [[Parameter:_Map_any_Response_to_Available_Status|"Map any response to available status"]] is unchecked, any 2xx/3xx/4xx class response to a SIP OPTIONS will bring the [[NAP]] up * The first time a SIP [[NAP]] is added in configuration and configuration activated, Tmedia polls at 5 seconds, after that and general use is polling at 60 seconds ** Since version 3.0.73 NAP SIP MAP polling is configurable with two parameters: *** Proxy Polling Interval (Default 1 minute) *** Proxy Polling Response Timeout (Default 30 seconds) == [[NAP|Network Access Point (NAP)]] Availability == If [[Parameter:_Poll_Remote_Proxy|"Poll Remote Proxy?"]] and [[Parameter:_Register_to_Proxy|"Register to Proxy?"]] are both checked, only the SIP OPTIONS answers will affect the [[NAP]] availability. == Configuration == *[[Toolpack:Allocating a SIP Network Access Point (NAP) F|Allocating a SIP NAP Configuration v3.0]] *[[Toolpack:Allocating a SIP Network Access Point (NAP) E|Allocating a SIP NAP Configuration v2.10]] *[[Toolpack:Allocating a SIP Network Access Point (NAP) D|Allocating a SIP NAP Configuration v2.9]] *[[Toolpack:Allocating a SIP Network Access Point (NAP) C|Allocating a SIP NAP Configuration v2.8]] <div class="mw-collapsible mw-collapsed" data-collapsetext="other versions" data-expandtext="Click here for other versions" style="width: 400px;"> *[[Toolpack:Allocating a SIP Network Access Point (NAP) B|Allocating a SIP NAP Configuration v2.7]] *[[Toolpack:Allocating a SIP Network Access Point (NAP) B|Allocating a SIP NAP Configuration v2.6]] *[[Toolpack:Allocating a SIP Network Access Point (NAP) A|Allocating a SIP NAP Configuration v2.5]] </div>

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