IP Telephony
What is the best practice when you are going for IP Telephony so Call-Control should be redundant over WAN Cluster?

Answer Question   |  October 16, 2012  6:12 AM
IP telephony, WAN

Telephony presence icons missing
Hello, I am in the process of testing Avaya AES Sametime integration for click to call functionality and working in my test environment. With IBM Sametime 8.0.2 client (both embedded and standalone), I can see the telephony presence icons next to Sametime presence icons and I can see their status getting changed (while on call). [...]

Answer Question   |  October 14, 2011  5:41 PM
AES encryption, Avaya, IP telephony, Sametime, Telephony

Multisite Asterisk deployment
Hi, please i want to know how multi site deployment with Asterisk is being done and how it works. the equipment needed in each site and any other necessary information. Thanks in advance

Answer Question   |  October 26, 2010  11:38 AM
Asterisk, IP telephony, Telephony, VoIP Gateway

Cisco IP phone – Can’t receive external calls
Using a Cisco 7961 IP phone and Call manager. I have loads of these working all over the world, yet I have one that receives and makes internal calls without issues, also makes external calls, but can’t receive external calls. Everything looks like it is set up as all the others in this location. Anyone [...]

Answer Question   |  February 15, 2011  2:04 PM
Cisco, Cisco 7961, Cisco IP phone, IP telephony

Migrating from Avia to Nortel phone systems
We moved a T1 connected peripheral from an Avia phone system to a Nortel phone system. It is connected through a Dialogic board. The connection worked fine prior to moving but we are having problems now. Can you help configure this properly?

Answer Question   |  June 23, 2012  8:18 PM
Dialogic, IP telephony, Nortel PBX

Tracking CME
Has anyone found an efficient way to track CME for physicians that are specific to privileges/accreditation requirements, etc. Thank you.    

Answer Question   |  November 12, 2009  3:30 PM
CME credits, IP telephony

Hunt group
Does anyone know how I set up a linear hunt group for Nortel CS1000? I need to have 3 extensions in the hunt, number one will ring and if not answered it would roll to 2nd phone and the 3rd number will ring at the same time on 9 phones. I know I need MCR [...]

Answer Question   |  August 20, 2009  6:16 PM
hunt group, IP telephony, Nortel CS 1000

Planet VIP 882 internet telephony gateway configurations
I have 2 planet vip882 gateways i am trying to test a peer to peer dialing test.I have connected the gatways to a switch using the WAN ports. I have two Planet VIP154T phones connected to the gateways through the LAN ports.i get a dial tone but when i try to call onr phone from [...]

Answer Question   |  March 18, 2009  2:22 PM
IP telephony, Networking Equipment, Planet VIP 882, VoIP

Genesys CTI solution
What is the product name of the Genesys CTI solution?

Answer Question   |  March 11, 2009  3:00 AM
Computer telephony integration, CTI, Genesys CTI, IP telephony

Cisco UC520 integration with Nortel PBX
We have one site having Cisco UC520 for IP telephony and another site we have nortel PBX. So is it possible to integrate both ? if yes then how and which features will work and which will not work ?? It would be great if someone help me out for the same.

Answer Question   |  March 2, 2009  6:36 AM
Cisco UC520, IP telephony, Nortel PBX, SIP, Unified Communications

Cisco 7905G IP Phone mysteriously unregisters from CallManager
I have 7905G ip phones that mysteriously unregister from call manager. The only way to restore service to phone is to restart phone. Has anyone experienced this?

Answer Question   |  February 24, 2009  4:11 AM
Cisco, Cisco CallManager, Cisco Unified Communications Manager, Cisco Unified IP Phone 7905G, IP phones, IP telephony, Unified Communications, VoIP

Skype on company equipment & networks
As is true with most organizations today, we are under pressure to reduce costs where we can. Some users are coming and asking why we are not using Skype for international calling. I’m not sure if I fully understand the risks so I am posting this question here on ITKE. Has anyone implemented Skype for [...]

Answer Question   |  January 15, 2009  1:19 PM
IP telephony, Skype, VoIP

GSM cellular network to be run on IP platform
Hi, It is always said that IP is more cost effective than the normal route of cabling or communication through spectrum. Is there any technology which enables GSM phones work on IP platform with normal GSM phones available in the market. This means, the normal Nokia, Samsung or Motorola phone can use the SIM and [...]

Answer Question   |  August 6, 2009  12:42 PM
Cell phones, Global System for Mobile communications, GSM, IP telephony, Wireless Access Points, Wireless Access Protocol, Wireless carriers, Wireless data transmission systems, Wireless Local Area Network protocols

Best cabling for VoIP
I have to chosse between the next options for a new office with VoIP for 100+ users: 1.- Have the IP Phones connected to the network and the PC to the IP Phone. 2.- Have two network connections, one for each PC and Other for each IP Phone. Please help me telling me wich is [...]

Answer Question   |  August 15, 2008  3:03 PM
Cabling, IP phones, IP telephony

IP Telephony
What is the difference of IPT and VoIP? Are they the same? Are there any certifications surrounding either? Please advise… I have included my e-mail below. Thank you, Dustin Hunter dhunter@apexsystemsinc.com

Answer Question   |  September 23, 2008  8:39 PM
Certifications, IP telephony, IPT, VoIP, VoIP certifications

CISCO Call Manager
We have recently purchased a ISR 3825 loaded with Call Manager. We are able to access the SDM via a laptop but cannot access the Call Manager software. The router wasn’t supplied with any software or details of how to access Call Manager, does anybody have any ideas?

Answer Question   |  May 7, 2008  5:57 PM
Cisco, Cisco 3825, Cisco CallManager, IP telephony, Routers

Difference between VoIP and IP telephony
Can someone please explain to me – so I can explain to my boss – what the difference is between VoIP and IP telephony? Are they the same thing?

Answer Question   |  October 29, 2007  3:23 PM
IP telephony, VoIP