IP Telephony and Phones

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Vendor is saying that we need to purchase Inline Power Option for 2821 Voice Bundle Router. Does this box not run on regular AC? Any advantages (other than obvious) for going with Inline Power Distribution option? Also I am planning on moving VWIC2...

nagel by Level 1
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  • 4 replies
  • 0 Helpful votes

Does anybody know where I can UC520 4.3 from? I think I've seen it mentioned that this version support extension mobility configuration via the GUI which I need. However, I'm also restricted to version 4.x as I'm integrating with ARC Express which st...

I have two DNs on CUCM7 systemPhone1 DN is 222Phone2 DN is 2222partition/Calling search space setup are all right.the below test is performed on phone3 with DN 333behavior 1, press new call, heard dial tone, dial 222, then phone1 ring, which is expec...

study_voip by Level 1
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  • 12 replies
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We have two different voicemail systems, Unity and Unity Express now within our Presense server we have linked the Unity system but we don't have the Unity Express Server linked, is this something that can be done or not advisable?

theweeyin by Level 1
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Hi Guys,I would like know if is possible to do the following configuration:I Create a line group with 03 Directory Numbers. For example 1000, 1001 and 1002. The ring 1000 and not response, ring 1001 and not response too, ring 1002 and give busy tone....

Dear,We are planning to do some outage in our CEO office. So IP phone will get disconnected from Switch and Call manager. But we have concern that we will lose call history in IP phone or not after the outage. So can anyone help me on concern? How ...

Dear allI have configured SRST with my CCMeverything works fine but the problem is during SRST OPRATION , when CCM come back and get alived it take long time that my ip phones register again with CCMany idea please?\