IP Telephony and Phones

Trying to upgrade the firmware on a cisco 8861 manually before configuring it for my business. I have installed a pumkin tft server, got all the files needed but my phone doesn't have a setting for TFTP server, Instead, a URL window for firmware upgr...

configure cisco jabber for windows on cme for a user who has already ip cisco configured dear    how to configure cisco jabber for windows or android or iphone for a client how has already ip cisco phone already configured for him under his...

Hi ALL, I have 2 Cisco call managers Publisher and Subscriber System version: 10.5.2.10000-5   Cisco jabber for windows 12.1 Cisco jabber for Iphone 12.2   Issue :Cisco jabber for windows and for Iphone not registered to Cisco call manager(no IM pres...

 Cisco document said it can support 500 CUBE sessions but considering the small number of CPS that it can support(it can only support 8 calls based on https://www.cisco.com/c/en/us/products/collateral/unified-communications/tdm-gateways/data-sheet-c7...

Hello. I have problem with SPA8000. I have tryed 2 of them and all have this problem.   All i have done is assined static ip address to its WAN interface. But it works only 2 min and then 2 min doesn't work. work/not work/work/not work/ping/not ping

Dear, How can i use barge from my DN(directory Number) to another DN?   I am using CUCM 11.

Hello,I try to start my IP Phone 7906, but always Configuring IP and after configuring CM List and never on.On status message I can see No CTL installed and TFTP ErrorRegards

Hi Guys   I trying to delete IMP from CUCM   Getting the Red + , Delete failed ,the CUCM IMP and presence server must first removed from presence redundancy group   how to remove it from presence redundancy group

Hi,   I am a first-time participant to the community.   I need to swap an old 2911 voice gateway with a new 4331 voice gateway. My config is OK, my question is what steps should I take to swap the hardware. And get the new 4331 up and running. I have...

Hi,   The goal is to increase security for my CUCM environment with the following 2 points 1- I need to disallow any one to be able to access this URL as it provides all user information details as mobile no. cucm-ip:8443/cucm-uds/users At the same t...

Hi all, 3 weeks ago I upgraded my CUCM Cluster from 9.1.2 to 11.5 using PCD. No issues with the upgrade but recently I have noticed that my 8861 IP phones have been going into Preservation Mode when you join a WebEx and you have WebEx call the phone....