IP Telephony and Phones

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Hi, I have a question regarding an authentication problem we are trying to solve...We are using cucm 9 an cisco ip phones.What we are trying to acomplish is that a user have to authenticate(with a PIN) on a phone when he tries to make a call.(we are ...

Resolved! 7942g downgrade

Hi all. We bought 7942g phones with hardware release v14 and firmware 9.3.1, but other our 7942g phones use firmware 9.2.3.For the some-reason-i-cant-understand, we cant (or dont want) upgrade firmware for all phones to 9.3.1I guess this is just admi...

Does anyone know where a compatiblity chart would be located that can tell me if Call Manager 8.x, CME and CCX are compatible with Internet explorer 10?  I have not been able to find any information so far and our company wants to make sure that IE 1...

I have   gatekeeper controlled trunks configured in Call Manager.  What codec is used when my IP Phone  in region A  calls  another IP Phone B  in region B through the gatekeeper? The signalling flow is this:IP Phone A  ------Call Manager-------ICT T...

Oak Ridge by Level 1
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   Hello All                 i have  new 3750 switch i have configured voice and data vlan vlan are taking IP from DHCP server , i can ping voice vlan and one voice server from switch but i cant ping voice vlan interface and host in voice vlan from P...