NEWS

Christian Hofschneider 1974-2012

Christian Hofschneider. Our Colleague and Friend. With heavy hearts, we regret to inform you and the entire VoIP community the passing of our colleague Christian Hofschneider. He 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…

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SIP Monitoring and Troubleshooting

SIP monitoring and analysis Operating a VoIP system that focuses on great customer experience can be quite challenging. This is especially apparent 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…

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Sip:provider CE v2.5 by Sipwise Is Now Available!

The latest version of Sipwise’s open-source platform: the Sip:provider CE v2.5! Only 4 months after the last release of version 2.4, I am excited to announce Sip:provider CE v2.5! What is 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….

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Build Your Own VoIP System, Part 1 – The Basics

How to 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 system 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…

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Series A funding from Tecnet Equity and Speedinvest

Sipwise will receive Series A funding from Tecnet Equity and Speedinvest! We’re thrilled to announce that we’ve raised a Series A funding 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…

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Sipwise Sip:provider CE v2.4 Is Now Available!

Sipwise Sip:provider CE v2.4 has been released! 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:provider CE v2.4! This is mainly a feature-release, no fundamental architectural changes have been made. What’s new in Sip:provider CE v2.4? Here is an overview of the most important…

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Sip:provider CE v2.2 Is Now Available!

Sipwise Sip:provider CE v2.2 has just been released! It’s been 3 weeks since sip:providerCE v2.2-rc1 came out, and today we’re proud to release the final version of Sip:provider CE v2.2! What’s new? For the list of fundamental changes since v2.1, please read the v2.2-rc1 announcement linked above. Since v2.2-rc1, we only fixed bugs and improved the general…

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Cloud Telephony – A Reality Check

Musings of a telco vendor about the cloud thing Over the last days, I was working on deploying and testing our open-source VoIP soft-switch SPCE v2.2-rc1 on an Amazon EC2 instance in order to provide a ready-to-run AMI for our community. Coincidently, I came across this tweet from @martingeddes: When you hear a vendor selling…

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Sip:provider CE v2.2-rc1 Is Now Available!

Sipwise Sip:provider CE v2.2-rc1 has been released! After over 4 months of development, we proudly present you the official Release Candidate 1 of sip:providerCE v2.2 or the Sip:provider CE v2.2-rc1! Based on the feedback from our awesome Community and Customers, and aligned to our long-term Road Map, we’ve implemented some fundamental changes in v2.2 compared…

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Sipwise will be at Linuxtag 2011 in Berlin, Germany. Meet Us!

Linuxtag 2011 in Berlin is Sipwise next event to be participating! Do you want to meet Sipwise at Linuxtag 2011? At Europe’s most important convention for Open Source Software, taking place from May 11 to May 13, 2011, in Berlin? Andreas Granig, CTO of Sipwise, will present the Sip:providerCE v2.2 in Hall 7.2b at the Kamailio…

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