Technical - News and Events

The Success of Skype and How SIP As Catching Up

How SIP is catching up on Skype! Since Skype came out in late 2003, it has always been seen as the ultmate 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…

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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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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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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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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 sip:test@sipwise.com, which is mapped to the phone number +4312345. By either calling +4312345 from your…

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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…

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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…

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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…

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