IP Telephony and Phones

Hoping somebody can help. Most recently, I'm finding my Cisco Jabber client on my iPhone keeps disconnecting when the program is running idle in the background. This is a new problem and hasn't been a problem for over a year. The current IOS version ...

Hello,A customer of mine has a SIP trunk connecting their PBX to Telco (Japan NTT). As they are migrating telephony to Cisco CUCM, we are putting a CUBE to connect Cisco IPT to Telco.However, after consulting with customer, we learned that:- PBX ip a...

I have a total of 4 lines on my jabber account. For one of the four lines, I only need to cover it for a few hours a day. Is there a way to silent that one line or set a schedule for it?If I set my status to "Do not disturb", it'll silent all the lin...

Hi everyone, I have in a cisco router ISR4321 with SIP Phones to a SIP Trunk (telekom.de) directed connected. In about 30% of the calls I don't have audio from inside to ISP SIP Trunk. The rest of the calls work normally, and the failures happen rand...

So we have an IP phone  7942G and we want to buy another one but is already in end-of-sale. I´ve read that the substitute is the IP phone 7800 series, the problem is that I dont know if it´s SCCP compatible. Does somebody knows if the IP phones 7800 ...

Hello! We have implemented the use of MRA/Expressway in our org & have several 8865 series phones deployed with our users, these users have more than 1 line/number tied to their phone. The main 'user' line rings & allows for calls just fine but a sec...

HI, i have a 7942 phone that appears to not accept my reset commands.  I'm holding down # when it boots, then the line lights flash i release and do the 123456789*0#.  The screen will go to the Cisco logo even as i'm typing in the sequence, then go t...

Hi,I have CUCM 12.0. I need to lock the Cisco phone for specific phones while out of working hours, so no one can make internal or external calls.Thanks

Hello, Inside Device > Phone there is a configuration called "Link Layer Discovery Protocol (LLDP): PC Port". As far as i know it enables the phone to send a LLDP packets to the PC. The timer seems to be 60seconds by default, I was wondering if there...

Hello everyone, I would like to ask if it's possible to receive and see notifications of calls/missed calls of my CISCO IP PHONE (Cisco 7811-7821 for example ) on my laptop. And if it's possible how can I do that. The purpose of my question is that...

Dears,I want to upgrade my backup CUCM Server from 8.5 --->9.1 and therefore I need (ciscocm.refresh_upgrade_v1.3.cop) file which is already installed on my ACTIVE CUCM server.I was wondering if there is any way to download files in the CUCM server t...