Popular Voip Platform Firmware link and EP package link

All Series are certified. https://www.yealink.com/products_47.html

All Series are certified. https://www.yealink.com/products_48.html

Model: CP920/CP960/T2X/T4X/T4S/T5X/W52P/W60P ftp://ftp.metaswitch.com/SIPPS_Packs/Yealink/2.02 https://www.yealink.com/products_49.html