 The Truphone Mobile Recording service is delivered with its wholly owned subsidiary TruObsidian, an organisation created out of the acquisition of Obsidian Wireless by Truphone in 2012.Multi IMSI

The Truphone SIM allows more than one mobile subscriber identity (IMSI) to be added onto the SIM, so a user can have a number for every country Truphone has an MVNO partnership with.Smart CLI

The Smart Caller Line Identification (Smart CLI) technology ensures that the most appropriate number is displayed on the phone of the person the Truphone user is calling.