IP Telephony and Phones

The topology of my network is attached to the message. I want to configure my cisco UBE 4351 to establish a communication between my two VoIP phones. I am using Elastix as my call manager. I want the Elastix to see the cube as my VoIP phone 2. Its a ...

i am using Call manager 10 just just tried to check voice mail but when i press message button it continuous ring on voice mail number i have tried from other phones but the result same. can anyone help please?

afternoon, we have a call manger setup on a site split onto two UCS servers is it possible to add a second call manager environment to the same physical servers. add another VM to each and configure a new setup (theres enough available resources on t...

Hi All, I would like to ask about Cisco Call Back features.  Recently I got a question from my client regarding is there any limit the Call Manager can support the usage of Call Back concurrently. Currently they have about 22++ IP phones, and what i...

Hi Experts, I have a scenario where MWI got some issues. Call Manager IP Phone DN: 2468 (4 Digit Extension) Voice Mail Box Mask: +18059182XXX Unity Connection: User Extension: +18059182468 If there is a voicemail, the MWI is not turning ON. I have...

I have a 7960 running the SIP FW, and I have 2 7914's to attach to it. Are the rumour's correct that they don't work when using SIP. If they do can someone tell me how to get them to work properly. Do they require different software loaded to work in...

Like to get some feedback on this, trying to get call screening/blocking to work on MGCP gateway inbound calls, based on Caller ID/ANI I have found some excellent documentation on this forum on how to set it up, but even when following this, I can't...

DearsDo you have any idea how I can control the Backlight behavior of the 9951 over CUCME 8.6 ???By Way , I found the way to control the Backlight of  7975 ip phone but I could not find for 9951 since it is SIP phone .Your Assistance is highly apprec...

Hi all,I need help about disconnect of calls on E1 circuit (R2) in Routers 3900 and 2900 series with IOS  Version 15.5(3)M3.My customer has the IOS gateway 3900 in your HQ and 2900 on three Branchs, in all of their sites have one or more E1 R2 circui...

Hi All, Hoping maybe somebody can shed some light on whether I'm missing something here, I've scoured online but can't seem to find a solution.  I am receiving a reorder tone when trying to dial outbound and getting SIP/2.0 403 Forbidden-Source Endpo...

I am struggling to find a solution for a customer that wants a noise cancelling handset, not headset, on their production floor.The old 79x0 series had a 3rd party option.  Does anyone know of an option on the new 78xx or 88xx series? Is there a 3rd ...

Hi all, I'm trying to configure a simple B-ACD, using drop-Throught mode, but it's not working. The idea is, when I dial out to 5000, I should hear a prompt, and them, I need to be automatically transferred to Hunt Group. But it's not working. Callin...

i have a client in the UK that needs to convert from ISDN 30 to SIP Trunk supply... they have the following equipment: Cisco Catalyst 4507R (SN FOX093401MR) Connected to Voice gateway - CISCO 2800 (SN FCZ1001235R) and also a Cisco 2951 is what they...

Hi, I bought new Cisco 7937G conference phone and when i try to connect the phone with POE Port Phone is power on but application key is not functioning to setup the phone. Can any one help me in below issue. Regards,Santosh