IP Telephony and Phones

Hello to everyone! I'm very new in CUSP so I have no previous experience with it. I found some configuration examples so I configured lab with Cisco Unified SIP Proxy v9.1.8 based on that examples.  Lab is consisting of:   Phone1 (SIP) ---> CUCM1 (v1...

May I know, how to troubleshoot when I'm getting "Unknown Number" in outgoing call at both ends of the phones. Both phones are registered with CME as indicated by the response of "show ephone". Thank you for your time.New Learner on VOIP

Hello everyone, im trying to register my Cisco 8945 Phone, but yet without succes, once i turn it on it says on top of the screen" Phone not registered " please respond as soon as possible, any idea or suggestion is welcome.Thanks in Advance : Art89

I am looking to upgrade my phone environment from 9.1 to 11.5 and I have a couple of questions. My environment consists of 6 Virtual Cisco appliances on vmware, 2x CUCM, 2 x Presence, 2x Unity all running around the same version of 9. 1. when upgradi...

Hello Support Forum, Can someone in the forum please provide an example of a VG204XM configuration using MGCP which I can follow for building the configuration for VG's? Also, if our VG204XM's are configured using MGCP are the default sccp commands n...

Hello guys, I have built B-ACD on ISR4331. Call routing works fine but I can seldom hear audio promt. The welcome one is never heard (despite debug saying it is played), the first menu option message either. Only if I choose an invalid option I can h...

Hi,I would like to seek assistance on the issue I experienced on Cisco IP Phone 8831.We have 4 units of 8831 phones and 3 units were already registered on CUCM  working fine. 1 unit is failing to register and showing "Ethernet Disconnected" during bo...

Hello, I am trying to pair my Samsung Galaxy S6 with my CISCO IP Phone 8845. I'd like to gain some benefits like transferring mobile calls to the CISCO, or the mobile phone directory etc... see http://www.cisco.com/c/en/us/products/collateral/collabo...

I setup a 10.5 cluster that had local users with extensions as UserIDs as LDAP wasn't available at the time of setup.  This has been in production for a couple of years without any issues and is currently integrated with WebEx Cloud in a hybrid deplo...

Dear members,Has anyone tried to integrate CUCM with Adobe Media Server for the Video on Hold feature?Thank you,Lara

Hello. I have a problem integrating an external SIP server with CUCM v7.1. All is already configured. I can place a call from the external SIP server to a phone registered in the CUCM. This is all OK. The problem arise when the phone registered in th...