IP Telephony and Phones

I'm trying to get my Cisco 8851 MPP's CGI Services (such as Screenshot or CGIExecute) to work. However, I'm having problems regarding authentication with the service. The device is running firmware "sip88xx.12-0-3mpp0001-87.loads". I did the followin...

Is it Mandatory to have Expressway E server certificate signed by Public CA for B2B calling. If yes, Can anyone share the Cisco documentation for the same.

Hi,   Does anybody have the engineering special release for CIPC 8.6.6.1. I've seen the below thread off the related bug but unable to source this directly from Cisco as the version of CUCM is EOL/EOS.   BUG: https://bst.cloudapps.cisco.com/bugsearch...

I purchased two CP8811 phones off an auction site and have been working with Ringcentral to provision the phones. However, after I factory reset the device, I am greeted with a dialog box that requires an activation code or service domain. I enter si...

Hi, we have an ISR 4331 running CCME and CUE 10.2 as a virtual service.  The system is configured and operating, but we would like to be able to access the CUE web GUI for administration. When we enter the IP address for CUE the website loads, cisco ...

Hi folks   I am setting up a SIP trunk between the CUCM 11.5 and a system called Rauland (nurse system). There is no CUBE. It is a straight sip trunk between them.   The Rauland team asked me to:   Disable the SIP Session Timer: To avoid sending a re...

Hello CommunityAs Cisco retired the SIP Profile Tester for CUBE and SIP tool - Retired Support Tools - Cisco, how are you guys validating your SIP profiles before putting them in production?

The landline phone can able to receive calls but cannot make a call.Whenever we call, silence is on.Whenever we receive a call, it sounds good, talking and listening. 

We are using Higher Ground with Jabber with in CUCM, our users are complaining of the tone is too loud. Is there a way to turn this down with in Cal Manager?

Dear Community, we are using Jabber in our on premises environment with CUCM 14 SU3 and are recognizing a delay in audio transmisson with Jabber for Windows version 14.2.This is recognizable in the way, that using Jabber version 14.2 I do hear the au...

Hello. Here we have CUCM 12.5CMR reports show high latency value for all call legs to the SIP trunk connection for the gateway where our PRIs terminate. For standard call, the other leg to the user device (CSF client) looks fine. Since all devices ar...

We use CUCM/Unity Connection deployment.We are a school system, parents call into an attendance line and leave 100's of  voicemail messages daily.   We have these calls forwarded directly into a voicemail.  How do we get a message waiting indicator w...