- About VoIP
- What is VoIP and what it can do for you
- Introduction to VoIP (video)
- Why should you switch to VoIP services?
- Analog Telephony
- Digital Telephony
- What is SIP?
- How to start with VoIP telephony
- Web based VoIP
- How to choose a right VoIP provider?
- Wi-Fi network and VoIP
- VoIP Codecs
- Free sip account
- Confidential calls
- VPN: UDP or TCP?
- Mobile VoIP
- VoIP on your mobile
- Asterisk IP-PBX
- Who we are?
- How to start
- Free SIP account
- Configs
News from Canonical: Ubuntu is coming to the phone
When we began developing Unity a few years ago, the aim was to create a single family of interfaces that work the same way on different devices. This means that unlike most of our rivals, we are able to use a single underlying OS across all [...]
Great news for today, guys! The legendary Linux softphone is back for more (available for Windows also)!
Three years after the 3.2 release, Ekiga 4.0 aka “The Victory Release” is finally available.
This is a major release with many major improvements.
After Microsoft bought Skype for US$8.5 billion, Google has released a developer preview of WebRTC – an open framework enabling implementation of voice and video Real Time Communications in the browser with the use of HTML 5 and JavaScript APIs.
It’s possible that the Skype acquisition could mean restricting the client from technologies and devices [...]
One important step into adopting VoIP is to choose a VoIP service, which will allow you to make and receive cheap or free local and international phone calls. It is important to choose the right type of VoIP service. Your needs and the way you will communicate should help you decide which type [...]
How to configure Internet tel. and SIP settings on Nokia phone (E52)
By Nik On March 28, 2012 · In Google Voice, Mobile VoIP, Open source, SIP protocol, Symbian, VoIP calls quality
In this article we will talk about Nokia Internet telephony and SIP settings since many people asking me about that. I have check all configuration myself on my old Nokia E52 as well as E71 buddy and everything works fine. Therefore you can use the same setup procedure on any E-series with Symbian.
This article describes the configuration process of Asterisk with Google voice.
Asterisk communicates with Google Voice and Google Talk using the chan_gtalk Channel Driver and the res_jabber Resource module. Before proceeding, please ensure that both are compiled and part of your installation. Compilation of res_jabber and chan_gtalk for use with Google Talk / Voice are dependant [...]
Digium releases Asterisk 10.
As you may already know Asterisk is a communications platform that allows developers to create powerful business phone systems and unified communications solutions. Since its introduction 12 years ago, Asterisk has been used, free of charge, in nearly every country of the world to power telephone and other [...]
For all the technology behind Voice over IP (VoIP), you’d expect that it would work on every network, but this unfortunately isn’t the case. Network Address Translation (NAT) is a common practice used in networks, and it doesn’t play well with VoIP. Solving this problem requires an understanding of NAT, VoIP [...]
VoIP Quick start guide
By Nik On November 9, 2011 · In Open source, QoS - Quality of Service, SIP protocol, VoIP calls quality, VoIP over VPN
Hi there. Today I found a quick start guide on VoIP written for Cisco 3600 series modular routers- click here to download PDF. I think it could be useful even if you just a newbie and what to learn how VoIP works, so I decided to share it. Please let me know if you think it’s [...]
Asterisk: How to make calls using Google Prerequisites
Asterisk can communicate with Google Voice and Google Talk using the chan_gtalk Channel Driver and the res_jabber Resource module. Please ensure that both are compiled and part of your installation prior following the configuration guide below. Compilation of res_jabber and chan_gtalk for use with Google [...]
Recent articles
- Plain explain: IP-phone
- Plain explain: What is SIP termination and what is SIP origination?
- US fixed VoIP market to see steady growth
- Save money with VoIP and unified communications
- IP telephony can help level the playing field for small businesses
- The loss of a landline means big change in communications
- Ubuntu (Linux) on your phone? Yes! And now officially!
- QoS For FaceTime, bandwidth requirements and Firewall config
- Merry Christmas and Happy New Year!
- How to Configure Axvoice Equipment?
- Cloud VoIP vs. on-premise VoIP: Choosing the right one for your business
- 26 terabits per second data transmission achieved
- A fully functional VoIP Client (SIP) finally released (free download)
- Fundamentals of SIP from Cisco :-)
- WebRTC from Google: making real-time communication free to implement
- What is VoIP termination
- Introduction to Voice over IP (VoIP)
- Linux: how to check OS version installed
- Hey!
- How to configure Internet tel. and SIP settings on Nokia phone (E52)
- TCP vs UDP – you must know this
- Google voice / Google talk and Asterisk configuration
- VoIP or IP Telephony?
- Asterisk 10.0.0-rc1 Now Available!
- SIP based VoIP behind NAT
- VoIP Quick start guide
- History: Kellogg Field Phone (World War I)
- Running VoIP via VPN (SSL) – voice quality
- Skype App directory
- G.711: u-law or a-law?
- Wi-Fi access point/router optimization for VoIP and other real time apps
- Agri-Cube grows mass quantities of vegetables in a one-car parking spot
- Quick Comparison of freeware IP-PBX platforms: Asterisk vs Open SER
- Microsoft enabling the ability to eavesdrop on VoIP conversations
- Nimbuzz growing even without Skype
- Skype protocol hack
- Call DSN number
- How to make your VoIP calls private and confidential
- Think on solutions: VoIP phone system
- Asterisk and Google Voice
- VoIP Codec: Payload size
- Nokia SIP settings
- The QoS Dilemma
- VoIP calls over satellite links
- VoIP for Facebook!
- VoIP client behind a VPN with DD-WRT
- Digital Telephony
- Analog Telephony
- Mobile VoIP – the future of mobile communications
- Sip on Android
VoIP SIP IP telephony tags
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- Apple (1)
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- Cloud VoIP (1)
- FaceTime (1)
- Google Voice (6)
- History (2)
- IT news (2)
- Mobile VoIP (16)
- Symbian (1)
- Non VoIP news (2)
- Open source (10)
- Prioritization and traffic shaping (9)
- QoS – Quality of Service (11)
- SIP protocol (32)
- Cisco (2)
- SIP termination (2)
- SMS to email (1)
- Softphone VoIP (1)
- Ubuntu (1)
- Uncategorized (1)
- VoIP calls quality (24)
- VoIP industry news (4)
- VoIP over SSL VPN (1)
- VoIP over VPN (8)
- VoIP service (2)
- VoIP via VPN (1)
More to read on VoIP
- About
- About Mark Spencer
- Asterisk SIP Media NAT
- Browser-based VoIP: web page code to call over IP (to your VoIP account)
- Choosing the right provider
- Cisco ATA186 notes
- Free sip account
- Grandstream Budgetone configuration manual
- How to start with VoIP telephony
- Multiplexing RTP Data and Control Packets on a Single Port
- On-line payments
- VoIP Codecs
- VPN: UDP or TCP?
- What is VoIP and what it can do for you
- Why should you switch to VoIP services?
Blogroll
- Asterisk™: The Definitive Guide (new window) “Asterisk has been emblematic of the way that open source software has changed business—and changed the world”
- Blog Jon FreeSWITCH VOIP SIP Asterisk Linux Open Source
- Business.com Business.com is one of the Web’s largest directories for business products and services
- Ubuntu how-to www.ubuntuka.com Miscellaneous Ubuntu Tips, Tricks and Hints
Our Twitter – latest
- Introduction to Voice over IP (VoIP) - One important step into adopting VoIP is... voip-sip.org/introduction-t… 5 months ago
- How to configure Internet tel. and SIP... voip-sip.org/how-to-configu… 5 months ago
- Hey! - To all people who has an experience with Asterisk and Linux - quote of the day: "I have not failed.... voip-sip.org/hey/ 5 months ago
- What is VoIP termination - Many people keep asking me - what is VoIP Termination?... voip-sip.org/what-is-voip-t… 5 months ago
- How to configure Internet tel. and SIP... voip-sip.org/how-to-configu… 5 months ago

