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VoIP Phones - Yealink

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Yealinkt20p.png

Phones and Versions Tested

Yealink
Model Version Notes
T20P 9.61.23.16 Supports LLD


Feature Notes
Supports 302 Redirect ?
Tested on FireBrick SIP Server Yes
IPv6 Support No


  • Set DTMF Type = RFC2833 if you have problems with DTMF.

Firewall & Security

  • You will also want to set up firewall rules, as per the VoIP Firewall page.
  • Also see the VoIP Security page for information about securing your VoIP service.