- 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
Those who have been paying attention to voice communications trends over the past couple of years should not be surprised by the numbers from the recent TechNavio report regarding fixed VoIP services in the United States. The company said that between 2012 and 2016, the market will grow at a rate of about 10.15 %per year.
“One of [...]
As VoIP continues its growth in the business market, more and more companies are finding out that selecting the right type of phone solution sometimes can be a bit confusing. This is because there are multiple options within the VoIP phone market. One of the most common areas of misunderstanding is the distinction between on-premise [...]
I’ve reading an interesting article on eweek.com that describes the problems that large companies face as they try to diversify – specifically the move of Microsoft from software towards IP telephony.
News Analysis: Now that Microsoft is on its way to becoming a telephone company, it is finding itself subject to a lot of things that a [...]
What Organizations Use the DSN Network?
The majority of Department of Defense (DoD) commands have one or more phone lines in the DSN network. Just because a command has a DSN phone number, however, does not mean that the number(s) will automatically be listed in the global DSN directory. The command has to formally request via the [...]
Nokia SIP settings
By Nik On June 16, 2011 · In Android, Asterisk, Mobile VoIP, SIP protocol, VoIP calls quality, VoIP over VPN
Nokia setup for SIP-based VoIP service
UPDATE: New article about SIP settings (Internet tel.) for Nokia E52 is here
Now you can enjoy crystal-clear phone calls over the Internet using the new Nokia S60 phones. If you have access to a Wi-Fi or 3G connection, you can [...]
VoIP calls over satellite links
By Nik On June 14, 2011 · In Asterisk, Prioritization and traffic shaping, QoS - Quality of Service, SIP protocol, VoIP calls quality
VoIP services via high latency satellite links: overview
As we all know the VoIP market expanding rapidly over the past few years and SIP based services allows the voice communication over global Internet network, giving the customers great savings and more convenient service. In the past with cooper wires you can do nothing about bad [...]
A new VoIP application called Bobsled allows you to make a free calls from Facebook chat window. Voice mail is also available – you can leave voice messages for friends on their FB wall’s!
To use the service you will need to install the application in a Facebook. [...]
There is a very interesting project started recently, called Sipdroid – VoIP software for Google Android operating system using SIP (Session Initiation Protocol) and it’s actually Java SIP stack contributed by MJSip.
Sipdroid is open source free software released under the GNU General [...]
Due to human perception, VoIP is much more sensitive to certain network conditions that are considered well within spec for most applications.
Network issues such as packet loss, jitter, and packet sequence errors are inherent to IP networks, and are well corrected and tolerated by data transfer protocols. Voice transmissions are real‐time by the nature; [...]
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
android Asterisk bandwidth bandwidth requirements best effort cellular codec delay encryption options facebook free calls g273 g726 g729 google gsm high latency How it works ilbc IPsec issues jitter listen to voip mobile Nimbuzz nokia order packet payload. g711 privacy protocol analyzer pstn QoS - Quality of Service QoS protocols real-time applications record voip calls satellite link sipdroid SIP protocol Skype speex TLS voice quality voip voip becomes socialQuick navigation
- Android (6)
- Apple (1)
- Asterisk (22)
- 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)
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- 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

