IP Telephony and Phones

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 ...

Having a strange problem on CUCM 12.5 where calls to existing numbers return 404 not found.   History.  We had a pilot number that was removed from the system.  The number lives in an avaya system outside of Cisco.  The call should hit the route patt...

Hi all, I have setup as follows: PSTN-----CUBE-----CUCM(1,2,3)------Jabber-controled IP Phone On cube I have three dial peers shooting at CUCMs 1,2,3, with three preferences and SIP keepalives to CUCMI noticed when I decline incoming call (pressing r...

Hi All, We're just having issue with SIP trunk, when we try to do DOD via PSTN, and when call connected, sometime voice is silent for 1 or 2 seconds, caller from internal always hear what external talk, but external sometimes can't hear voice from in...

I created a custom background for all my 8841 and 8851 devices with my company logo, but since the background is white, it is very hard to read the numbers at the top of the screen and the speed dials.  Is there a way to change the text color or does...

Hello, What is the best wireless network suitable for 8821 wireless IP phone 2.4 GHz or 5 GHz? Thanks in Advance;Omar

I just received a Cisco 7945, and installed the SIP firmware on it, as I am going be using it at home with a SIP system there.Is there way I can make changes to the phone as far as SIP settings/NTP/button options via a web interface?  I am able to se...

I need to configure Call Forward No Answer for my Client's Main Line. My desired goal, would be for the Main Line to ring for twelve seconds and then to attempt a forward to the Directory Numbers within a Line Group. I have been reading a lot and I h...

Dear Team, We are trying to configure SRST on router.  Phone are registering to call manager and routing through proper gatewat.But when ever Connection fails to HO our phones are not registering. We are using SIP phones in branch. I searched in inte...

Hi AllWhen you add partitions into a call search space, Am I right in saying that it will look down the list of partitions from top to bottom for a match?cheers

we have Avaya IP phones model 4610. They are connected to Cisco 6513 switches. We have following configs on each 6513 switch to support Avaya IP phones. interface FastEthernet1/23 switchport switchport access vlan 60 switchport mode access switchport...