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VoIPVoice Over IP

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Prot...

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Troubleshooting Solution

Connect 2921 to internet while running CUCM lab.

33
I am running a home lab for Cisco CUCM.  At one time last week i had the lab erased and set up the …
Article
Skype for Business

Benefits of Skype for Business and Home Users alike..

Skype is a P2P (Peer to Peer) instant messaging and VOIP (Voice over IP) service – as well as a whole lot more.
Post

Video I saw trending today showcases what happens when an …

5
Video I saw trending today showcases what happens when an IRS phone scammer, attempts to scam the …
Troubleshooting Solution

Installing CUCM on ESXI Linux

27
I am trying to install CUCM 10.5 on ESXI 7. I am getting an error saying that incompatible hardware …
Troubleshooting Solution

Routing multiple vlans across multiple switches.

73
Hi
I had issues routing voice traffic across two same make/model switches, one as a core and the …
Research Solution

How to autoprovision Yealink handsets with 3CX running on AWS

1
It's quite straightforward to provision when the 3CX server and the handset is on the same network. …
Article

Answer Skype Calls with Bluetooth Headset

2
I recently purchased a Bluetooth headset called the Music Jogger (model BSH10). The control …
Article
How to Perform Full Migration from Elastix to Issabel

How to Perform Full Migration from Elastix to Issabel

2
If you try to migrate from Elastix to Issabel, you will face a lot of issues. These problems are inevitable but fortunately, you can fix them. In the guide below, I will explain how I performed the migration while keeping all data and successfully transferring all configurations.
Troubleshooting Solution

Error installing Cisco Unity Connection.

11
I am trying to install Cisco Unity Connection on VM Workstation. I already have a CUCM up and …
Troubleshooting Solution

1 side can't hear Calls from Cisco 3905 phones

21
We recently started noticing that a certain floor of a building on campus can only call 1 direction.…
Troubleshooting Solution

understanding nec SV9100

byMr.X
4
hi - its a general question trying to understand how phones/phonesystems works .

got a client who…
Troubleshooting Solution

Access denied when assigning device pool to PRI vwic.

5
I am setting up an MGCP gateway on my 2911 router. I have a 4 port vwic card installed. When i try …
Troubleshooting Solution

OVA files for voip lab

3
How can i get .ova files for IM&P and UCCX for my Cisco Voip lab?  I have a Cisco account but its …
Troubleshooting Solution

Configure 2921 as a PSTN simulator

3
I am running a home CUCM lab. Is it possible to configure my 2921 router as a PSTN simulator so i …
Troubleshooting Solution

How to find out why a computer restarted?

5
My company is updating our Shortel Connect program to the newest version which is called Mitel …
Article

Recovering Cisco IP phone

5
In my office we had 10 Cisco 7940G IP phones that were useless as they were showing
Article
Sennheiser

DECT Security

This paper addresses the security of Sennheiser DECT Contact Center and Office (CC&O) headsets. It describes the DECT security chain comprised of “Pairing”, “Per Call Authentication” and “Encryption”, which are all part of the standard DECT protocol.
Troubleshooting Solution

Cisco SF300-48P 10/100 PoE Managed switch port issue - no internet

15
We have a Sonicwall Pro2040 with DHCP connected to Cisco SF300-48P 10/100 PoE Managed switch. One of…
Troubleshooting Solution

How many CUCM can i run?

4
I am setting up a home lab. I have already installed CUCM 12. I need to install CUC, CUPS.  I would …
Troubleshooting Solution

Robust, cost effect phone solution for small business, perhaps as a virtual appliance, or appliance?

15
Hi everyone

I hope everyone is well. Other than helping the occasional phone system installer, …

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