Mavenir Systems (NYSE: MVNR) was a software-based telecommunications networking provider based in Richardson, Texas that existed from 2005 to 2015.

[1][2] The company's software was aimed to deliver internet protocol (IP)-based voice, video, rich communications and enhanced messaging services to clients.

[4] In May 2011, Mavenir Systems acquired Airwide Solutions, a Massachusetts-based mobile messaging and wireless internet infrastructure company.

[15] Mavenir Systems provided T-Hrvatski Telekom, Croatia's largest telecommunications company with its IMS WebRTC gateway in February 2014.

[18] The mobile app was intended to provide 3UK subscribers with the ability to make calls and send text messages when out of cellular coverage (VoWiFi).

[18] In July 2014, T-Mobile launched its VoLTE service with an IP Multimedia Subsystem (IMS) voice solution developed by Mavenir Systems.