How to troubleshoot SIP trunk or SIP trunk is showing down
I have couple of SIP trunks with telephony servers, all the IP's are reachable but SIP trunk is not getting inservice/UP, Please help to troubleshoot and fix the issue
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            I have couple of SIP trunks with telephony servers, all the IP's are reachable but SIP trunk is not getting inservice/UP, Please help to troubleshoot and fix the issue