Yealink SIP-T21P-E2

Description

• 2 VoIP accounts
• Wideband codec: G.722
• Narrowband codec: G.711(A/µ), G.723.1, G.729AB, G.726, iLBC
• 132×64-pixel graphical LCD with backlight
• Call hold, mute, DND
• One-touch speed dial, hotline
• Call forward, call waiting, call transfer
• Group listening, SMS, emergency call
• Redial, call return, auto answer
• Local 3-way conferencing
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Set date time manually or automatically
• Dial plan
• XML Browser, action URL/URI
• Integrated Screenshots
• RTCP-XR
• HD voice: HD handset, HD speaker
• Wall mountable
• Power over Ethernet support
• No power supply included (YEA-PS5V600US)
• Not compatible with expansion module