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Part 1 Background Knowledge

  • Command Line Interface
  • Analog telephony
  • BRI/PRI Telephony
  • Mobile Telephony
  • SIP
  • SDP
  • RTP/SRTP Protocol
  • DTMF
  • SMS/SSMTP Debug

Part 2 Trouble shooting

  • Hardware Faults
  • Web GUI Faults
  • Extensions Issues
  • SIP Trunk Issues
  • PSTN Trunk Issues
  • ISDN Trunk Issues
  • GSM/3G Trunk Issues
  • SMS/USSD Issues
  • Voicemail Issues
  • Others
Buy the Course Kit

Learn More

To learn how to register or for upcoming scheduled classes, email support@helia.ca or phone (403) 668-7895