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Joined: Nov 2012
Posts: 49 Likes: 1
Member
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Member
Joined: Nov 2012
Posts: 49 Likes: 1 |
Hello,
We have a customer who has SIP trunks and ISDN 30 (UK), on a 7200. The first issue they has was calls to an out of service number was getting a voice message reply saying the number was out of service if using ISDN, but the SIP would ring for 10 - 15 seconds before giving busy tone. This got sorted out by turning on real ring back in 5.2.18. However they now have the same responses calling a number that doesn't accept calls from withheld numbers. Anyone know if there is anything that can be turned on to make it work?
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