IP Telephony and Phones

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Hi, The call forwarding for SIP phones is not working, if we forward the calls from one of the extensions to external number and we call the Direct Number (MSN) we get “The call cannot be completed” and from the debug we get this cause “Unallocated/u...

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Resolved! Any advice?

We recently got the cisco 6851 ip phone installed at our work place.We cannot access the voicemail system because it requires a pin code?Our local phone installer gave us a "temporary" code but it didn't work the second we put it in.Anyone have any i...

Dears,I have 1000 DIDs in my company. The voice gateways installed in 2 locations and each VG connected with two E1 lines. There is new requirement for new location and required 100 DIDs. In that new location it has separate call manager and voice ga...

Hello, Do you know a way to transform an internal calling party number (short number).So unlike “external phone number mask” I need an “internal phone number mask”. E.G. Cisco Phone ext 7001 (receptionist) call a doctor on Cisco phone number 7575. Ca...

Rémi by Level 1
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Good morning I'd like your support to solve a question, an ip phone breaks down and it was switched to an ip phone 7962 model, we changed the Mac-address in cisco 2851, but when we changed it showed the followingmessage "Can not update the CNF file f...

Translator by Community Manager
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