SIPWISE CE - NEWS

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…

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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…

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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…

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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…

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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…

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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…

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Sipwise raises Series A funding from Tecnet Equity and Speedinvest

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…

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sip:provider CE v2.4 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: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…

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sip:provider CE v2.2 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:providerCE 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 handling of the SPCE: Sponsored development of…

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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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