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…

read more

Use Tropo to Add Voice Apps to Sip:provider in 5 minutes!

How to add rich voice applications to Sip:provider CE by using Tropo Using Tropo, it’s incredibly easy to add voice applications to your Sip:provider CE (SPCE) or PRO system. Let’s assume that we have an SPCE installation serving a subscriber, which is mapped to the phone number +4312345. By either calling +4312345 from your…

read more

Looking For Perl Web Developers Around Vienna

You will mainly extend our provisioning and monitoring systems and make the changes visible via the administrative and customer self-care panels, as well as the SOAP and XMLRPC interfaces. The job requires very strong experience in Perl, MySQL and HTML/CSS/Javascript, a strong knowledge of SOAP, XMLRPC and REST and you should be used to Debian GNU/Linux and SVN/GIT. [ Read More → ]

Looking for VoIP engineers (m/f) Around Vienna

You will implement efficient and secure call routing features in large-scale systems over geographically distributed components. The job requires very deep knowledge of protocols like SIP, RTP and T.38, a strong experience in writing OpenSER/Kamailio configurations and scripting languages and you should be used to Debian GNU/Linux and SVN/GIT. [ Read More → ]

Sipwise forms Joint Venture with Asipto!

Asipto and Sipwise entered into a joint venture! In the current era of a rapidly changing telecommunication world, Asipto and Sipwise are pleased to announce the merger of their IP telephony system offerings. This is to strengthen the position in the market and to consolidate the development of their unified communication solutions. The combination of…

read more

Sip:providerCE 2.2 – A Quick Preview

A sneak peek of Sipwise’s open-source platform: the Sip:providerCE 2.2 Since the initial release of the Sip:provider CE, version 2.1, we’ve mostly worked on two things regarding improvements towards version Sip:providerCE 2.2: Usability of the Admin Panel, and how NOT to do it: It seems to be a general rule for soft-switch vendors to keep the…

read more

SIP beyond VoIP – Location-Based Services Using Sip:providerCE

SIP is famous for being the protocol to be used for VoIP signaling nowadays. With the (not so simple) SIMPLE extension, it also offers PUB/SUB and messaging capabilities. The plan was obviously to lay grounds for a full-blown communication framework for telephony, instant messaging and presence, as we know it from XMPP. Due to various…

read more

The Sip:provider CE Launched – A Month Recap

A month recap after the launched of Sip:provider CE! Back in December 2010, we launched the Sip:provider CE as an open-source offspring of the Sip:provider PRO to bring the Sipwise NGCP technology to a much broader audience. We got a lot of feedback during this month, and it’s time now to look at the impact for Sipwise and…

read more

Erlang for Shoppers this Holiday Season

Erlang: Why the other checkout line is faster than yours The Erlang – B calculation is used in telephony systems to describe the probability of call loss on a group of circuits without call buffering. It is however not limited to telephone networks since it describes a probability in a queuing system. Based on this…

read more

Sip:providerCE on Virtualbox in Windows

Running Sip:providerCE on Virtualbox in Windows The demand for testing the Sip:providerCE on Virtualbox in Windows is actually bigger than expected, and there came up a couple of issues we’re currently working on: The default version when downloading Virtualbox is 3.2.12, which does not support the OVA format (which in fact is just a TAR…

read more