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VoIP has rather strong demands on delay, jitter, .... The practical requirements are much stronger then the proposed by the common standards. How these parameters can be measured in a convenient manner, without using expensive test devices. Which too...

I have just installed Unity 2.4.6.161 on a Windows 2K server running SP2 and Exchange 5.5 with SP4 in a NT 4 Domain. After the machine reboots I tried to access the System Administration page. However I get the following error:Access deniedYour Win...

I am currently running three CM's with 3.0.11, with CM1 having all home office registered to it, CM3 having all remote office phones registered to it and CM2 as a backup for both. We have noticed at random times where a remote office phone will put ...

I have a 4224 with the integrated 8 port FXS module. I am having difficulties establishing modem connections from one FXS port to another. Any tips are appreciated. FYI we have IOS 12.2(2)YCThanks for your consideration

Will a 3600 router support VoFR and VoATM?I have one with 12.0(9) Enterprise Plus and VoFR and VoATM was not an option. Help...

We have Unity version 2.4.6.161. When I record a greeting and choose to play it back to my phone, it will ring my extension and then immediatly drop the call as soon as I pick up. I am how ever able to record the message initially. Please help.

How do I tranfer a new voicemail to an extension # without using the dial by name function. And is there a way to get a verbal confirmation of the transfer.<br><br>

I have one about the amount of memory that needs to router 3640 to work like gatekeeper of VoIP. The version of IOS to use is 12.2(1) with functionality IP/H323. This equipment has 8 MB of Flash and 48 MB of ram, that are the requirements for that IO...

Hi, Is it possible to place a 9 infront of all missed calls, so that when the user press dial, he could immediately dial the missed call numbers? Currently, it could not because the missed calls are without the digit 9infront which is required for ma...

I am getting the common, "An unrecognized error has occurred...(etc)" When I look in my event log I see an application error "Assertion failed: SUCCEEDED(hr) in File: h:\commsvr\Sources\SA\avsadbconn\AvSaDohObject.cpp at Line: 2317" I am running Unit...

It has been happening for over 5 month! I tried Cisco TAC but no luck....We have a call manager with a DT24+ as a gateway, every now and then, some outside phone calls get dropped and the phone gives a busy signal.Any Ideas or thoughts would be great...

Hello all, I have just installed Unity and am now trying to get the voicemail part of it figured out. I can honestly say there is no good documnetation online for this. I need to know how to set up voicemail. Please help can't find where the set...

I deleted a subsriber in Unity and deleted them in Active Directory, but it did not free up the license in Unity. I assume this is becasue the Exchnage mailbox is still hanging around. How long will it take to free up the license from the deleted u...

In Unity 3.x if the exchange server fails while unity is up messages are stored and forwarded to exchange when the server comes back up. If the exchange server is down, and unity is down, unity will not start without the exchange server? Is there a w...

Can anybbody answer this question? I have posted here twice.I appreciate that.We ordered 70 Unity-VMI-session for our customer. But I found there is 0 sessions under system>licensing>licensed sessions for VMI,same as dumpkey. But I do see 200 users u...