IP Telephony and Phones

Hi Experts, All IP Phones configured by SIP Protocol, for call security I want if someone wants to start a call to the outside (PSTN) he's obliged to enter his own PIN, Is there a way to configure that on CME 11.0 ? thank you.

Hi guys,I've been having a tough time dealing with why we are not able to terminate calls to various external SIP trunks.I have an ISR4321 being used as a PBX behind a Ubiquiti Unifi Security Gateway at a site. Unfortunately I have only been able to ...

According to the 8851 data sheet you should be able to power 2 add on modules using 802.3at POE, as long as the phone version is v08 or higher. We are unable to get the second module to power up, anyone had this issue ? Thanks

I have one Publisher and two Subscribers with a SIP trunk to a fax server (XMedius). All other SIP trunks on all nodes are stable except this XMedius fax SIP trunk. Because I was seeing this trunk dropping every so often I pulled some logs from RTMT ...

Hello, I am planning to upgrade 10 VG224's in multiple sites with VG310's.  These devices are mainly just used for FXS/ATA's.  Is there an easy way to change the "gateway type" in CUCM from VG224 > VG310?  I don't see a way to do this.  Is the only w...

Hello,We have few of the Cisco 8831 Conference Phones, we don't use the CUCM to set up the phones. We set up the phones through the CLI commands, the issue that we are having is the Speed dials are not showing up on the screen. If I press the arrow b...

How to connect a Cisco 8821 SIP Phone to an Avaya? Maybe someone did it without CUCM? 

Good day Experts I have a small issue i have 40 users on a CME deployment i want the local users to be able to use the directory feature on the phones. In CUCM i know this is possible how can it be deployed on my CME. I am using SIP phones this is a ...

Hey guys, I'm a beginner at this, hope y'all can help point me in the right direction.I have a topology like this:Softphone(CIPC) --- Switch --- ASA --- Router (CME) I can't register the softphone with the CME manager on the router, as the ASA is blo...

Forgive me if this has been answered, I searched for a while before deciding on asking this one.For 3rd party phones being added into CUCM. Is it absolutely required that it associates with an end user/digest user and uses 3 license units for a devic...

Hi,I’m not able to pair the wireless Mic CP-8832-MIC-WLS with Cisco phone CP-8832-EU-W-K9Does anyone know if these devices are compatible?Thanks