In Part 1 of our series “Build your own VoIP System” we learned about the very basics of how VoIP and SIP in particular works. In Part 2 the setup of a Skype-like service was explained. This is Part 3, where you will learn how to protect existing VoIP deployments with the sip:provider acting as…
In Part 1 of our series “Build your own VoIP System” we learned about the very basics of how VoIP and SIP in particular works. This is Part 2, describing the process of setting up a Skype-like service using the sip:providerCE. In Part 3 you will learn how to protect existing VoIP deployments with the…
I am excited to announce the general availability of sip:providerCE v2.6 and sip:providerPRO v2.6! This release marks a big milestone, because it’s the first open source turn-key platform with full presence support to provide Skype-like services. What’s the sip:provider platform? The Sipwise sip:provider platform is a highly versatile open source based VoIP soft-switch for ISPs…
Why Skype is successful Since Skype came out in late 2003, it has always been seen as the ultimate communication solution, because it “just worked” for end-customers. The reason for that is on one hand the dead-simple way to get started for end-users (signing up is tightly integrated into the client), and on the other…
It is with the deepest regret that I have to write this, notifying the VoIP community that Christian Hofschneider passed away last week after a short and unexpected illness. Christian worked as Operations Engineer at Sipwise, after building fantastic products with open source VoIP components at an Austrian ISP over the last years. I will…
Operating a VoIP system with a focus on great customer experience can be quite challenging, especially if you run a heterogeneous network with lots of different SIP clients (like various software clients, all kinds of SIP Phones and Terminal Adapters and especially IP PBXs). SIP clients are known to have all kinds of quirks and…
Only 4 months after the last release of version 2.4, I am excited to announce sip:providerCE v2.5! What’s the sip:provider platform? The Sipwise sip:provider platform is a highly versatile open source based VoIP soft-switch for ISPs and ITSPs to serve large numbers of SIP subscribers. It leverages existing building blocks like Kamailio, Sems and Asterisk…
This blog post is the first part of a series of posts, which describe how VoIP works and how the Sipwise sip:provider Platform enables you to start various VoIP business models. Part 1, which is provided in this post, gives you an introduction in how VoIP works. Part 2 shows how you can set up…
We’re thrilled to announce that we’ve raised a Series A financing round from Tecnet Equity and Speedinvest! This investment with an amount >USD 1M will allow us to grow much faster than in the past, and heavily expand our business in the US, as well as expand our existing business in the EU. Who are…
12 months after the initial release of version 2.1 and 7 months after release of version 2.2, I am happy to announce sip:providerCE v2.4! This is mainly a feature-release, no fundamental architectural changes have been made. What’s new in v2.4? Here is an overview of the most important changes since v2.2: Security SIP over TLS…