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#554555 07/09/13 03:11 AM
Joined: Apr 2007
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I'm Connecting an IP phone to a 7030 and the internal calls are working ok but when you dial 701 (which is an isdn line) you dont get a dial tone and you just get an error tone back after dialing.? any ideas


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Joined: Aug 2012
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what does it say on the Screen that is the give away.

Possible "unavail CBT "
buy default the IP phones used to have a Class of Service 30 which barred all call

Try MMC 301 to confirm your C.O.S.



Moderated by  nameless, pvj 

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