Register Mitel Phone with Yeastar K2 IPPBX

This guide is based on Mitel 6867i v4.1.0.148 and Yeastar K2 IPPBX .

Note: For the IP phone with different firmware version, the web GUI may be different.
  1. Log in the web page of the phone.
    • Username: admin
    • Password: 22222
  2. Go to Advanced section, choose a line to configure.
    1. In the Basic SIP Authentication Settings, enter the extension information.
      • Screen Name: Set the name that you want to display on the phone screen.
      • Phone Number: Fill in the extension number.
      • Caller ID: Fill in the extension's Caller ID.
      • Authentication Name: Fill in the extension's Registration Name.
      • Password: Fill in the extension's Registration Password.
    2. In the Basic SIP Network Settings, enter the PBX information.
      • Proxy Server: Fill in the domain of your PBX.
      • Proxy Port: Fill in the same SIP port of the PBX. The default SIP port on the PBX is 5060.
      • Registrar Server: Fill in the domain of your PBX.
      • Registrar Port: Fill in the same SIP port of the PBX. The default SIP port on the PBX is 5060.
      • Registration Period: Set the registration period according to the settings on your PBX. The default range of SIP registration time on the PBX is 60-3600 seconds.
  3. Click Save Settings.
  4. Go to Advanced > Global SIP, set the RTP settings and codec preferences.
    1. In the RTP Settings section, configure the RTP according to the settings on your PBX.
      • Force RFC2833 Out-of-Band DTMF: Enabled
      • DTMF Method: RTP
      • RTP Encryption: If you don't enable SRTP for the extension, choose SRTP Disabled.
    2. In the Codec Preference List section, set the codec preferences according your PBX settings.
      Note: G729 and iLBC are the default enabled codecs on the PBX, you should enable the G729 codec or the iLBC codec on your phone.
  5. Click Save Settings.
  6. Reboot the phone to make the configuration take effect.
    You can check the extension status via Status > System Information. If the extension is registered, the status shows "Registered".