IP Telephony and Phones

Hi Everyone,We're currently in the middle of an upgrade with a  customer going from CUCM 4.1(3) to 7.1(3). We've used temporary licenses to do  the cut-over and now those licenses are coming to an end. We really  need some support as to who we need t...

I am having trouble with my ISIP phone installed on my iphone/ipod-touch making PSTN calls out through a Skype for SIP trunk on CME.The interesting thing is that I also have another CME that uses a regular FXO PSTN connection and the ISIP phone has n...

Our front desk extension is 8200.  Every once and a while, a call will come in from extension 8200.  You cannot pick it up, and the only way to end it is let it go to voice mail, then disconnect.  When it happens, the person at the front desk is not ...

Is there a way to check on trunk capcity to see if I'm under or over utilized? I will be adding additional phones (1000+) and want to make sure that I have the correct amount. Currently using A clustered CMM 7.x with 3845's for the gateways with trun...

I did few individual phones firmware upgrade several months ago and it was ok.I am trying to do it again to some phones but the phone is not upgrading.Here are some steps that I tookI have uploaded new firmware (SCCP45.8-5-4S) on UCM 6.1 several mont...

All,The outgoing calls will go through calling search space-partitions-route list and route group when routed to pstn.How is incoming call from pstn routed? Will it go through the reverse process? Does it care which partition the line is in?Thanks,

hi all,is there some specific steps to follow in order to install CallManager 4.3 (Windows 2003 Server Based) in VMawre environement?Thx in advance,

I am looking for some help in finding a call flow process steps or diagram.For example:A phone goes off hook and contacts the Publisher via XYZ protocolThe Publisher then does this and thatA number is pressed on the phone and this happensI hope that ...

Hello,our customer are demanding a   VoIP solution with H.323 IP Telephony. On the www.cisco.com I found only  the IP Phone   Cisco 7905G. There are other models?Thanks

Phone’s are not ringing, but offhook is showing -43V onhook. When ring comes in I see a voltage drop.  The butt set is fancy and has a reading that shows 38V while offhook (hearing dialtone)The VG224 data sheet show 50Vrms into 5REN.  What will a vol...

DO we need to use CUBE? Of can I just setup a SIP trunk from CUCM?

Hi,I've configured a CCM with a voice gatway that use E1 PRI.CCM use SIP and MGCP to make outbound call through the voice gateway.I will use MGCP at the end. The SIP is just for temporary test.Question : How to display the called numbe when the E1 po...