SIP Trunks

SIP Trunks

A VoIP / SIP Trunk is a multi-line service used in conjunction with either a VoIP PBX, or, a gateway device connected to a traditional PABX. We Provide single telephone number for inbound calls.

The VoIP / SIP Trunk service can be provisioned to include from 4 up to 120 channels making it suitable in both small and large businesses as well as call centres. It can be upgraded at any time without interruption to service.


  • One telephone number
  • 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
  • Datacapital ISP local and International call rates.
  • Keep your main Telkom number by porting it to Datacapital ISP

Monthly Service Fee: 

R100.00  for 4 channels

R30.00  per extra Extention

Installation: free

Contract: month-to-month


  • Datacapital ISP Hosted  / Cloud PBX or
  • A compatible VoIP switchboard; or
  • A compatible VoIP gateway (FXS or ISDN), and
  • A reliable Broadband internet connection.

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