Call Control prepaid application for OpenSIPS

Call Control is a prepaid application that can be used together with OpenSIPS call_control module and CDRTool rating engine to limit the duration of SIP sessions based on a prepaid balance. It can also be used to limit the duration of any session to a predefined maximum value without debiting a balance.

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Release of SIP SIMPLE client

SIP SIMPLE client is a Python software library built on top of PJSIP that together with middleware allows for easy development of Client/Server and Peer-to-Peer Internet communications end-points based on SIP SIMPLE protocols for voice, video, presence, instant messaging (IM) and file transfer capabilities. For more information go to

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OpenXCAP version 1.0

Version 1.0 of OpenXCAP server is now available. It contains many bug fixes and additions for important features like XML partial manipulation, xcap-caps, xcap-diff and RLS services that were not available at the initial release last year. For more information go to

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AG Projects participates to the 23-rd edition of SIPit

AG Projects participates to the 23-rd edition of SIPit, a week-long event where people bring their SIP implementations to ensure they work together. AG Projects will participate with its new releases of OpenXCAP and MSRPRelay servers and a SIP SIMPLE test client.

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Euroweb deploys SIP Thor

Euroweb Romania upgraded its SIP voice network (Eurovoice) to a distributed, multiple-site architecture located in three cities, Bucharest, Timisoara and Iasi. By deploying this self-organizing architecture is now possible to increase the availability of the provided voice services, by eliminating downtimes related to communications' packet-loss or Internet connectivity failures. The voice traffic can now be automatically rerouted between any of the mentioned location, in a short notice and without major engineering works which were necessary prior to this upgrade.

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The service is provided in multiple data centers using AG Projects' SIP Thor solution.

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AG Projects launches MSRP relay

AG Projects launches MSRPRelay, an Open Source implementation of IETF standard RFC 4976. MSRP relay is an extension to the MSRP protocol (RFC 4975). Its main role is to help NAT traversal of Interactive Messaging and file transfer sessions for SIP/MSRP endpoints located behind NAT.

For more information visit

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Peer-to-Peer Session Initiation Protocol (P2PSIP)

P2PSIP working group will be born at ETF68 (Prague). This new protocol will enable a new range of prosumer orineted services that will be made possible by moving  inteligence from the network into the end user devices.

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