SIPWISE CE - NEWS

Sipwise is hiring Perl web developers (m/f) around Vienna

About Us Sipwise develops and integrates highly-available and scalable telephony systems based on open-source software (and releases lots of its software as open-source). Our platforms are deployed at ISPs all over the world, serving up to hundreds of thousands of customers each. We are an extremely dedicated team with a strong professional start-up culture, reshaping…

read more

Sipwise is hiring Perl developers (m/f) around Vienna

About Us Sipwise develops and integrates highly-available and scalable telephony systems based on open-source software (and releases lots of its software as open-source). Our platforms are deployed at ISPs all over the world, serving up to hundreds of thousands of customers each. We are an extremely dedicated team with a strong professional start-up culture, reshaping…

read more

Build your own VoIP System – Part 3: the sip:provider as an SBC

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…

read more

Build your own VoIP System – Part 2: An open Skype Replacement

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…

read more

sip:provider v2.6 Released

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…

read more

Skype and how SIP is catching up

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…

read more

Christian Hofschneider 1974-2012

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…

read more

SIP Monitoring and Troubleshooting

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…

read more

sip:provider CE v2.5 Released

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…

read more

Build your own VoIP System – Part 1: The Basics

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…

read more