Cirpack is an NGN (Next Generation Network), SBC (Session Border Controller) and IMS vendor for Telecommunications Operators, Internet and Application Service Providers, focusing on telephony services such as residential and business VoIP, IP Centrex, SIP Trunking, Triple play, Fixed Mobile Convergence, VoLTE, Transcoding etc.
[1] Cirpack plays a key role in the IP Multimedia Subsystems market, or (IMS).
[2][1] Cirpack was founded in 1999 by Fred Potter[3] as a spinoff of the French Long Distance Carrier Kaptech that had in-house switching experts and senior developers.
[4][5] On top of its historical Softswitch devices product line, Cirpack introduced in 2010 its SBC (Session Border Controller) range, completed in 2011 by the Applications range.
[7] In July 2015, Cirpack took over Andrexen, a French editor of voice over IP and unified communications software.