Oak Telecom have been a highly successful developer and supplier of Call Management and Voice Processing Systems for more than a decade. With over 18,000 systems installed throughout the UK and Europe, Oak Telecom are one of the world's largest suppliers of Call Management Systems.

Excell is pleased to be business partners with Oak, a company who provide the ProVoice DX4 Digital Voice Recorder which makes all the benefits of professional, centralised call recording available and affordable to all organisations. For those companies wanting to record either ISDN2 or 4, call recording with the ProVoice system has never been simpler.