T19, T19E2, T2X, T4X, T5X, and DECT phones use the below type of power supply: T49, VP59, CP920, and CP930 phones use the below type of power supply:The standards of Yealink phone & video conferencing solution.How to go to the web user interface?
高端无纸化IP话机 SIP-T40P , 企业级IP 话机 SIP-T29G , 企业级IP 话机 SIP-T27G , 企业级IP 话机 SIP-T23G , 企业级IP 话机 SIP-T23P , 企业级IP 话机 SIP-T21(P) E2 , 企业级IP 电话 SIP-T19(P
Introduction Firmware Version: T19-E2: 53.84.0.10 upgrades to 53.84.0.15 T21-E2: 52.84.0.10 upgrades to 52.84.0.15 T23: 44.84.0.10 upgrades to 44.84.0.15 T27G: 69.84.0.10 upgrades to 69.84.0.15 T40P: 54.84.0.10 upgrad...