[citation needed] Iristel launched its High Definition (HD) VoIP Telephone Service in February 2007.

[3] By May 2007, the company added Domestic and Global SIP Trunking and Hosted PBX to their enterprise VoIP services.

[5] In February 2009, MTS Allstream, a wholly owned subsidiary of Manitoba Telecom Services Inc. and a communication solutions provider in Canada, chose Iristel to convert its Time-division multiplexing (TDM) voice traffic to Internet Protocol (IP).

[6] Iristel has performed various interoperability tests with the most important VoIP hardware & software manufacturers: Polycom, Mediatrix, Avaya,[7][8] Grandstream,[9] Toshiba,[10] 3CX Phone System,[11] Snom[12] and Yealink [zh].

[14] In October 2018, Iristel purchased Telecommunications de l'est (TDE), a company located in Eastern Quebec.