IP Telephony and Phones

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Spanning tree question:I have heard various opinions regarding using spanning tree on a switched network where voice traffic will be utilized and wanted to get some more thoughts on the subject.I can see certain situations in which spanning tree may ...

jegan537 by Level 1
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Resolved! VG224 DLU's?

How many DLU's are required for a VG224 for UCM 6.0?If you have a 7961 with a 7914 expansion module, do you need a DLU to cover the 7914? Or doe the 4 DLU's on the 7961 also cover the 7914 (sure hope so).thanks

Guys,everytime i change a DN's partiton the phone becomes unreachable. scenario - i have a phone in partition internal and i change it to partition local.results - if i do a search in Directory number i get 2 of the same DN one in internal and one in...

a.gooding by Level 5
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Users stopped recieving email in their Exchange inbox as well as on their phone. Looking at the unitydignostic event viewer it is riddled with errors 10001, 119, 100, and 139. One thing odd is in Event 100 is: Exception occured and handled. File: e:\...

qsanders by Level 1
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We have a 7970 at the operator console and have a dilema. They need to be able to make a new call (dial out) even if a call is coming in. So in essence, even if 2 or 3 calls are coming in at once they need to be able to dial out to make a call bef...

HI,I have a c2821 with two VWIC-2MFT-T1/E1 and one PVDM2-64, and want to do DSP resource sharing. I have tried to do by configure a dspfarm but without success. In the docummentation I find regarding this, they talked about NM-HDV2 modules not the on...