IP Telephony and Phones

Dear All,We are using Clustered CUCM 5.1 and suddenly new problem happen which is when making a local call from some phones the users cant here each other!!What could be the problem??

 Any one successfully integrated 3CX with CUCM?Instead of CUBE I tried CUCM 'SIP Realm' SIP authentication method however calls still failing with '407 Proxy Authentication Require' I followed below doc. https://community.cisco.com/t5/ip-telephony-an...

Hi everyone, Does anyone have the g3-tones.xml and g4-tones.xml files for Brazil? I could not find the right tone values to make one myself. Thank you

Hi All, I am trying to use two Cisco 8831 phones in linked mode (Daisy chain). One primary phone is configured in CUCM and showing registered. Connected secondary base with primary phone via daisy chain cable. When cable is plugged into the secondar...

Has anyone been able to get universal line templates to work with BAT?  I have everything working with Self-Provisioning, Universal Device Templates and BAT with the exception of the Universal Line Template.  Ultimately what I'm trying to do is manua...

I am looking for the last firmware that was released for the 7970G/7971G IP phone. The filename is 'cmterm-7970_7971-sccp.9-4-2SR3-1.k3.cop.sgn' but I can't find it anywhere.  The filename is listed in the release notes here - https://www.cisco.com/c...

Hi, We have Cisco IP Phone 8865 & 8851, these phone are Bluetooth. We really need to find an handset without cable but with Bluetooth functionality in order to use this phone with an handset but without cable. Do you know if such an hanset exist on C...

Dears ,Can we integrate cico expressway with RSA or any idp for MRA login , so when the client enter his username and password he will be prompted to enter PIN or onte time password to login to Jabber.  

I've run into an issue where callers coming from the PSTN do not hear ringback after being transferred using a Cisco Unity call handler. Ringback works internally between phones, and also works internally if I dial the call handler DN and request a t...

I have a CME version 10.5 and would like to configure extension mobility for SIP DN 1100 but I can't login to the extension mobility profile. Attached please find the config 

I have over 200 extensions and I would like to know if they have voicemail box assigned to each Ext. I would like to know if there is way to do that with Bulk Administration Tool. Thanks!BigK

Greetings, Both executive administrative assistants have 9971 handsets. Someone will call in on the CEO's private line and one of the admin assists will answer. After confirming the call, they will perform a direct call park and then the CEO can pick...

Hi, I have a Cisco IP Phone 7965 and I'm having trouble exiting conference calls. I can form a conference call just fine, but I am having difficulty exiting the call without ending the call for all parties involved. The manual says "To disconnect fro...

Hi - for years I have been told that Cat5e cabling is required for Cisco Unified Communications phones.  Is there a technical issue requiring Cat5e or will Cat5 (which does support PWe have a site that is a mix of Cat5 and Cat5e cables going from pat...

I have a small office that we have implemented SIP trunks with Centurylink and a broadband circuit.  For their call volume it works great.  We are looking for a failover or HA solution because the main circuit has gone out a couple of times and when ...