Posts tagged as SIP

Hosted and virtual PBX systems – similar but not the same

  Hosted and virtual private branch exchanges, better known as PBXs,  share some of the same technologies but are operationally very different. South Africa has lagged in the development of hosted and virtual PBXs because the carrier, voice over IP (VoIP), was illegal for many years. It was only legalised on 1 February 2005 after […]