South African Telecoms iServ Yeastar PBX Business Phone Systems 

South African Telecoms is a telecommunications company providing a wide range of iServ Yeastar PBX PABX switchboard telephone systems to companies throughout South Africa. South African Telecoms iServ Yeastar PBX systems, S20, S50, S100 and S300 support up to 500 users and are built using the very latest technology. South African Telecoms iServ Yeastar PBX systems deliver exceptional cost savings, productivity and efficiency improvements, delivering power, performance, quality and peace of mind. Our iServ Yeastar PBX systems are engineered for the communications needs of today and tomorrow, and with a unique modular design which future proofs your investment choice.

Appreciate the Easy-To-Use Solution

South African Telecoms iServ Yeastar PBX systems feature fast installation with comprehensive auto provisioning, advanced plug and play capability, together with an intuitive Metro UI driven by point-and-click configuration, from any location.

Your Choice of Technologies and Features

With a unique modular design, South African Telecoms iServ Yeastar PBX systems S20, S50, S100 and S300 will install into the most demanding of environments. You can also take advantage of advanced enterprise grade features with the fullest and most complete software versions.

Telephone Systems Without Risk

South African Telecoms iServ Yeastar PBX systems are built with the future in mind, utilizing the latest technology advances, from Freescale industrial grade Quad Core processors, TI DSP voice processors, and long-life power units and lightning protection.

Play Safe and Expect Reliability

With advanced failover, security, monitoring and reporting capabilities as standard, combined with an internal firewall and with support for TLS and SRTP encryption, there has never been such a robust system.


Key Features and Benefits

  • Works with SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/3G
  • Built-in call recording capability
  • Powerful Apps (add-ons) includeLinkus Mobile Client, AutoProvision, LDAP, ConferencePanel, VPN Server, Billing App,Hotel App, and more coming soon
  • Convenient integration with cloud call center, PMS, and CRM
  • Free lifetime software/firmware upgrade and above all, it’s super easy
  • Connect multiple sites and remote users instantly
  • No hidden charges and extra licensing fees
  • Low power consumption (1.8-59.1 watt)


  • Automated Attendant (IVR)
  • Attended Transfer
  • AutoCLIP
  • Blind Transfer
  • Blacklist/Whitelist
  • Call Back
  • Call Detail Records (CDR)
  • Call Forwarding
  • Call Monitor
  • Call Parking
  • Call Pickup
  • Call Recording
  • Call Routing
  • Call Waiting
  • Caller ID
  • Conference
  • Custom Prompt
  • Dial by Name
  • DISA
  • Distinctive Ringtone
  • DNIS
  • Do Not Disturb (DND)
  • Event Center
  • Email to SMS/SMS to Email
  • Fax to Email
  • Paging/Intercom
  • LDAP
  • Mobility Extension
  • Multi-language System Prompt
  • Multi-language Web GUI
  • Music on Hold
  • One Touch Recording
  • Queue
  • PIN List
  • Phone Provisioning
  • Real-time Status Monitor
  • Ring Group
  • SIP Forking
  • SLA
  • Speed Dial
  • Time Condition
  • User Portal
  • User Permission
  • Video Calls
  • Voicemail