IP Telephony and Phones

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Our company bought a few 7961 phones but we do not have CUCM, we thought we could connect these "SIP" phones to our provider's PBX thorugh NAT. And there wepe problems, which could not be resolved. Now they are lying in boxes for half a year already,...

3ft by Level 1
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Hi guys, I wonder if any of you experts have come across this error before ?. I have a customer that is getting this alarm  3 times a day on all three call Managers in the 3 node cluster at exactly the same time.  running  CM V7.0SyslogSeverityMatchF...

Dear All;Is there a way to change IP Phone Directory Search Criteria from Last First name display (Default) to First Last Name display.So when user press Directory Search on IP Phone and search for someone then press search softkey, the list of users...

I have a Cisco Router 1800 in the remote office, this router is connected to tha main office through a mpls, the remote router has connected 2 analog phone connected to fxs ports and in a public line is connected to fxo port. Actually, all external c...

Hello everyone, I am currently having an issue with my 3560s switches. what happens is that when a 7965 phone is plugged in there's no way it recognizes it (It doesn't happen all the time)  unless I do a shut/no shut after that, the phone boots up pe...