IP Telephony and Phones

Intermittent incoming calls to our H323 VG disconnects after 2-3 secs of one way audio. Outbound calls works perfectly fine without any issues. Trouble shooting done so far.> Upgraded the IOS from 12.4.15T5 to 12.4.24T8 (Related to bug CSCsx67255)> C...

Hi,Is mobile voice access supported on Call Manager 9?I know it was supported on cucm 8 and limitations was that it needed T1 pri, is this still the same? Additionally what type of licenses will be required for the mobile voice access?

Hi,Currently I have built a cluster with version - 8.6.2.21900-5. The cluster consists of PUB and two Subscribers which is currently being used. I am now trying to add a new Subscriber over the WAN from another location. When I try add the subscriber...

Hello, we have CUCM 9.1, SIP & SCCP phones.When we dial from SIP phone to external number that didn’t answer, we can't redial it. It's only redialing to the previous number on the placed calls (if it's internal or answered external number).Redialing ...

Hi,I need to know if there is a router that can support 30 analog trunks (fxo ports), and if so what are the modules? Also what is the maximum amount of fxo ports that are supported in a voice gateway (ISR router).

Hii have 2811 voice gateway connecting to sip line and mpls from branches.and in internal network we have a right fax and call managerserver with h323 connection from gateway.and every thing was fineyesterday i replaced 2811 with 2951 and imported al...

Hello,we have a CUCM 8.6.2.22900-9 (with a CUP 8.6.4.13900-4 and a CUC 8.6.2.22900-9), and we would like to integrate it with WebEx Meeting Center (included in CUWL Pro by a WEBEX-UWL-P-PAK).For example, we would like to:start a WebEx meeting from an...

Hi,We want to configure automatic backup of CUCM, Unity and Presence all version 9.1- how much space we need on backup servers?- I like to do it everyday. However my question is if goes out of space, would it overwrite on the old backup files? ( whic...

hello everyonei have a question i have a test environment :CUCM 9.1 CUP 9.1 UC 9.1 they are all use demo license.now i want config the UC send the voice mail to my exchange 2010.in UC 8.6 i can do it but in 9.1 the config is not do ....is the problem...

Dear Expert,I experinacing this problem with IP Phone that keep rebooting and disconnected. I checked the logs from cisco switch that connect to IP Phone as per below. .May 20 15:13:33 MY: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected ...

hello everyonecan cucm do this: a call to a cisco phone ,then the phone auto conference another PSTN phone at the same time the cisco phone will mute.in AVAYA the function is EC500 ....