IP Telephony and Phones

i have a cucm that is connected to a VG which is connected to the PST through E1 , some faxes incoming and outgoing faxes to the PSTN are getting dropped , how can i start troubleshooting this problem?

Hello all,   I am facing below problem.   I am trying to record sip telephones which are registered to same call manager. I have sip trunk to recorder server from CUCM. CUCM version:11.5. Sip phones model:7911 and 7821.   Error message in cucm logs i...

Running Call Manager 10.5.2.10000.  I have a receptionist that would like any incoming calls to go directly to voice mail if she is already on another call.  She does not want to see any flashing or hear any ringing for the incoming call.  If she is ...

Hello.   I have a customer who has to move their cisco be7000 to a new location. He decided to use new ip addresses for all the voice solution. So I am wondering if I have to change all the ip addresses of all voice solution that is included in the b...

Hi all We are configuring a small hunt group for each individual extension to forward and broadcast. We’ve been asked whether we can have a the call forward back to the voicemail of the original dialled number after a hunt group treatment rather than...

Our VOIP and paging system work well but if someone dials the extension for paging and hangs up before getting the tone, a three minute long fast busy signal is broadcast across all paging speakers. Cause? Solution? We're using Cisco Unity Call Manag...

Hello everyone. We have about 5+ CS540 headsets as well as CS55 headsets as well. For awhile now, every now and then the headsets will disconnect after about 30 seconds. The call will resume, its just the headset that disconnects. We use cisco CP-784...

I have users at one branch (at least) who are sporadically having an issue when they are called by someone (on-net), when they pick up the call (they always use just the handset, not speaker or headset) sometimes they will hear hold music as if the c...

I have a bunch of Talkaphone towers as well as a handful of elevators that I have configured for auto ringdown to a internal 911 call center. It is all working as expected except for one issue. When I call into any one of the towers or elevators the ...

I got a pre-sales hotel business opportunity with 50 rooms and up to 100 guest phones. Client is a Cisco house, we proposed Cat-9500/9400/9300 as LAN switches. For value engineering concern, Can i spec ISR-4331 or 4431 with CME and Unity (voice mail)...

Hello, I would like to configure video stream between Cisco 8945 phones and regular softphone clients such as: Jitsi, Bria, Qutecom, Ekiga. So far my experience with the SIP894x.9-4-2SR2-2.loads firmware is that when a video is being requested the ph...

phone 7975 SCCP75.9-4-2SR1-1Stwo expansion 7916 module B016-1-0-4-2callmanager 11.0.1.20000-2 I configured the phone using SCCP, once the configuration was finalised I connected the phone - 1 x 7916 expansion modules - and its working fine , but when...

Hello, I cannot find part numbers both with "3PCC" and "W" - are there any white phones sold originally with 3PCC firmware? Is it possible to have any of the white Cisco IP phones with 3-rd Party Call Control? Thanks! 

Dears,   Kindly I have a customer asking about the ohm value in the IP Phone 8831-EU. I have checked several documents but this data is not available. Can anyone help me to find this value or advice how can I calculate the ohm value of the IP Phone. ...