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The SIP Options Method is utilized on the IMG 2020 to add the feature SIP Keep Alive. The IMG 2020 can monitor the status of several external SIP gateways by sending periodic SIP OPTIONS messages. If the external gateway does not respond in a configured amount of time the IMG 2020 will mark the gateway as down and attempt to re-route the call to a different gateway.
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If the SIP Profile field in the external gateway object does not have the correct SIP Profile (SGP) profile selected, then a set of default SIP Options Keep Alive parameters will be used. |
SIP Options - Busy Out/Keep Alive Configure
Field Descriptions
Number of Responses (Default = 3)
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