This service is an upgrade from the VoIP Trunk service. VoIP Trunk plus Direct Dial-In is a multi-line VoIP service that includes a range of telephone numbers to facilitate direct dialling towards multiple extensions.

It is used in conjunction with either a Switch Telecom Hosted Switchboard, a VoIP switchboard, or, a gateway device connected to a traditional switchboard.



  • Multiple telephone numbers
  • Call forwarding
  • Voicemail
  • Multiple simultaneous calls (one per channel)
  • Call waiting (on compatible phones)
  • Choice between SIP or IAX2 protocols
  • Multiple codec support
  • Free fax-to-email service
  • Free voicemail-to-email service
  • Switch Telecom local and International call rates.
  • Keep your main Telkom number by porting it to Switch Telecom


  • A Switch Telecom Hosted Switchboard or
  • A compatible VoIP switchboard; or
  • A compatible VoIP gateway (FXS or ISDN), and
  • A reliable Broadband internet connection.

Monthly Service Fee:

VoIP Trunkplus

R50.00 (incl.VAT) per block of 10 numbers; or

R250.00 (incl. VAT) per block of 100 numbers.

Installation Fee: no cost

Contract Term: month-to month

Business Trunk + DDI Enquiry

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Where did you hear about us?

087 550 0008 |