IP Telephony and Phones

I have a scenario where I can dial the DID on a 7841 phone dial the extension and both workFrom that phone user can dial my extension and that worksWhen that user tries to make an outbound call to an external number they get a fast busySite is using ...

I have installed a 2911 router with PVDM ,  There is a problem that no voice commands are accepting............Telephony service , ephone,....commands are unrecognised commands..... Note:-The PVDM0 light is orange  ( is this a hardware fault or softw...

we have 2801 router that connected with 2 anloga lines (FXO Card), but now we have a problem with disconnect problem, the phone still connected after the PSTN Caller Disconnect, and our policy tell that the agents shouldn't end the call, so we want w...

All, I'm using a Cisco router running Call Manager Express (if you can't tell its somewhat dated) and would like to set up an FXO trunk to ring into the system and then if no answer, ring to a SIP extension/trunk to the third party SIP voicemail syst...

Hi all I have a E1 configured as R2, and when I do an outgoing call to any number I dont see the phone number that is calling. I only see Private Number. Thanks. 

 Hi, I have installed, CUCM 10.5 with unity and presence in office recently. Everything works fine and good. My manager initiate a request to have Voice message broadcast facility on his telephone set.  He is using Cisco 8945 phone set Any advise.

Hi guys,I have a question to ask. I got to deploy VOIP for my customer. In the architecture I have 3 sites:- One CME 2951 srst which become the voice gateway and one Cisco BE6000 on a Headquater.- A srst cme for each of the two remaining sites.Can we...

Hi all, I have a basic configuration on my Voice Gateway only one dial-peer for outgoing calls, and the issue is that the calls take almost 11 seconds to go out from the CUCM to the PSTN. Any ideas? Thanks. 

Hi All, My client currently has 1000+ locations (Retail Stores). Each location has it's own voice gateway connected to Centralized call manager using SIP trunks.we also have PRI circuits coming inside each store from Local carrier. My client is soon ...

We're replacing our VG248 with a VG320. CUCM gives the option of adding a VG320 via SCCP or MGCP. Is there any difference in performance or behavior between using the VG320 with either of these protocols? Is there any special config that needs to be ...

Hello,Can anyone give an idea how to troubleshoot Supervisor Desktop because it unable to monitor calls. 

I am a tech writer and am writing a troubleshooting section which involves the ACS 3415. All Cisco documentation just says the Identification LEDs "illuminate when the LED is on" - ok, but what is it identifying? Is it showing the identification swit...

Hi,We have a lot of 9971 phones installed.Everything is fine.Just one phone make calls involuntary,without any user,day or night,no matter.The phone has BLF buttons applied to phone and to ext. modules.The phone calls one by one all DNs,which is prog...