• Find out the IP address of phone
  • Once you login into phone, select the Admin Login and click on Advance (top right hand corner)
  • Select the SIP tab in the phone and find the parameter RTP Packet size as shown in diagramChange the parameter to 0.020 (ptime = 20 as porta support)

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  • Change the parameter to 0.020 (ptime = 20 as porta support)
  • Click on Submit all changes.