- 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
We all strive to get a quality telephony, but when we do some analyze of the voice quality issues and most common reasons that may lead to the problems with the VoIP service quality we should take into account the VoIP equipment, including IP-phones.
Looking closer: what is an IP-phone
VoIP phone is a [...]
On the telecom market many (if not all) TELCO companies (including SIP providers of course) offer services that is based on VoIP. Almost all of them may provide a SIP termination and SIP origination. In this short article I will try to define these terms (SIP termination and SIP origination) and briefly explain what is [...]
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 [...]
While travel and procurement costs have been rising for many aspects of business, such as travel and procurement of certain types of technology, Mini Swamy, a TMCnet contributor, wrote that VoIP and unified communications can help companies save some money. She looked at a report by Digitalolympus.com, which said the right implementation of these programs can help companies of [...]
For years, small companies have been tied down by carrier-based phone systems that are expensive and cumbersome. The Guardian said there are ways to help small businesses compete with big businesses and one way to do that is by adopting an IP telephony system in lieu of phone lines.
“While a business may be based in, say, [...]
The loss of a landline is something that every business will have to deal with over the next few years. A recent report by inetwork, a division of ATLANTIC-ACM, shows that 74 percent of those polled believe that the death of the office landline and deskphone will be one of the most significant forces in [...]
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 [...]
Facetime – Calls Quality, QoS and firewall ports in use
Video calling will become an increasingly widespread form of communication in coming years, moving from
broad adoption in the consumer market to selective endorsement in the corporate world. The same executives
who video-call their families when on the road will also use FaceTime [...]
Dear Friends, Readers, Writers and all colleagues of VoIP-SIP.ORG,
We would like to thank all those with whom we have done some work on Open Source projects. A lot of stuff was done at this year and it was great to work together with you guys!
Merry Christmas and Happy New Year! Stay crazy like [...]
INTRODUCTION TO AXVOICE:
Axvoice is a well known low cost VoIP phone service provider that provides its services in USA and Canada. Axvoice offers a huge variety of residential and business plans. Pay as you go is their cheapest plan ($4.99/month). This plan allows you to pay only when you need to call. $8.25/month is [...]
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 [...]
With video content consuming ever more bandwidth, the need for faster data transmission rates has never been greater. Now a team of scientists at Germany’s Karlsruhe Institute of Technology (KIT) are claiming a world record in data transmission with the successful encoding of data at a rate of 26 terabits per second on a [...]
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.
Session Initiation Protocol, SIP, is poised to continue its reshaping of your collaboration and communication network. Hope you will enjoy watching this short, but very good video below!
This Fundamentals animation was produced as part of a TechWiseTV episode 66 ‘SIP, Session Management and Beyond. Just for the reference.
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 [...]
Many people keep asking me – what is VoIP Termination?
There is an “official” answer: VoIP Termination is the process of routing a VoIP telephone call (or calls flow) from one telephone service provider to another. What is that meant? Ok, lets imagine you have some phone lines (IP-phones or VoIP gateways with regular phones [...]
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 [...]
Sometimes it’s a pain in the ass to install software on unix based systems without having prior knowledge to the OS/kernel versions. You’d do something on debian that doesn’t work on CentOS, Fedora has yum pre-installed where as RHEL4 comes with up2date but you have to have a key, then there’s always RPM’s but who [...]
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 [...]
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 [...]
