IP Telephony and Phones

Hi I need to change the host names of the publisher and subscriber servers in a 6.1.2 cluster which is something I have never done before  am in right in thinking this is all i need to do ?SubscriberChange DNS record to reference new subscriber hostn...

Is this even possible? I'm trying to register one thru SIP but it doesn't register! Is this doable? On what protocol SIP or SCCP? If SIP then what is the correct settings in the IP Phone for this? Like does it needs to get its files (tftp) on the CUC...

Hi, We have received our first SIP based phone (9971) and after adding it into CUCM it still fails to register. We are running CUCM v.8.6.2.22900-9The phone does show  up in the list of available phones. I do want to note that at this time i do no be...

Hi experts,One of our customers ask me if Cisco support line-side configuration in an E1.Does anyone know how to accomplish this task?I already do some research with no result.Best Regards

Dear All,I have trouble to make my IVR work from the outside on a SIP trunk.The IVR is working by itself. I have tested it using: "application aa" on a ephone-dn.I can see with a "debug voip application script" that the IVR starts when I make a call ...

I note that the device also needs to subscribe to the Mobility Service.  There must be a way to enable that service on all devices or a group  of devices.  How best to do this?               

I have a user who accidentally deleted his missed calls on his phone.Is there any way that I can restore them or give him a list of what numbers were in missed calls.He is an attorney thinks he missed a very important call.Thanks for helping!!!      ...

Anyone ever seen an instance where faxes are sent/received and they are incomplete?  I have a customer with a UC560 that has this issue.  Their connectivity is a SIP trunk to the PSTN.  This just started happening today.

Hi  All,i  faced the issue on Call setup issue. Find the below details.Directory Number - 1001. Same Number is mapped in 7940 & 7942 Phones.Dialed Number is 310310.We have the following patterns ( Both are in the same Partition)3XXX   - Translation P...

HI, I am using CUCM 8.5, SIP trunks to voice gateways using E1 / T1 lines. We have noticed that at some sites inbound calls that come from private numbers are shown on the phone as coming from "unknown" at some other sites on the same cluster and com...