Will buying VoIP from our ISP improve call quality?
Why do some people recommend buying business VoIP from an ISP? What are the benefits to my company? What are the costs?
![]()
IP Telephony
IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to e...
Read more- 7.0K Content
- 2.3K Contributors
Leading Experts In
Article
Article
Voice and Data Vlan on same port and Vlan Tagging
Almost all Internet protocol telephones have built-in switches at the back that allow you to …
Article
Avaya One-X Mobile implementation for Android and iPhone
Implementing Avaya's One-X portal is pretty painless, until you want to deploy this to the Android …
Article
Answer Skype Calls with Bluetooth Headset
I recently purchased a Bluetooth headset called the Music Jogger (model BSH10). The control …
Article
Microsoft LYNC with HP/H3c gateway
There are no good configuration guides for HP-H3C router to LYNC on the web. :(
Big…
Big…
Article
How to setup Encrypted Connections in Asterisk with Polycom Phones
So you think no one can listen in on your VOIP conversations, eh? Well... if you haven't setup …
Article
Who's your DAHDI? How to go from Zaptel to DAHDI in 5 Easy Steps.
The Zaptel people (www.zaptel.com) got kind of annoyed with the fact that they were getting …
Article
How To Create Custom / Distinctive Ring Tones on Polycom Phones
How To Create Custom / Distinctive Ring Tones on Polycom Phones
Purpose and Overview
…
Purpose and Overview
…
Article
How to Install Asterisk on Ubuntu 9.04 / 9.10 from Scratch
The point of this post is to give you a copy/paste installation solution to setting up Asterisk 1.6 …
Article
Cisco Call Manager 6 CDR -> SQL server
Ever wanted to query Cisco Call Manager CDR records from MS SQL Server? Here's how!
CUCM can be …
CUCM can be …
Explore solutions and more
![]()
IP TelephonyBack to the top
IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN). Using the Internet, calls travel as packets of data on shared lines, avoiding the tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user.