SIP-T21 E2
– HD Voice: HD Codec, HD speaker,HD handset
– 132×64-pixel graphical LCD
– 2 VoIP accounts
– Two-port 10/100 Ethernet Switch, integrated PoE
– Headset, wall-mountable
– XML/LDAP remote phonebook
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SIP-T21P E2
– Yealink HD Voice
– 132×64-pixel graphical LCD with backlight
– Two-port 10/100M Ethernet Switch
– PoE support
– Up to 2 SIP accounts
– Headset support
– Wall mountable
– Simple, flexible and secure provisioning options
SIP-T22 P
– Yealink HD Voice
– 132×64-pixel graphical LCD
– Two-port 10/100 Ethernet Switch
– PoE support
– Up to 3 SIP accounts
– Headset support
– Wall mountable
– Simple, flexible and secure provisioning options
SIP-T23 G
– Yealink HD Voice
– Dual-port Gigabit Ethernet
– PoE support
– 132×64-pixel graphical LCD
– Up to 3 SIP accounts
– Supports Dual-color LEDs
– Headset support
– Wall mountable
– IPv6 support
– Paperless design
– Simple, flexible and secure provisioning options
SIP-T23 P
– Yealink HD Voice
– 132×64-pixel graphical LCD
– Two-port 10/100 Ethernet Switch
– PoE support
– Up to 3 SIP accounts
– Supports Dual-color LEDs
– Headset support
– Wall mountable
– IPv6 support
– Paperless design
– Simple, flexible and secure provisioning options
SIP-T27 P
– Yealink Optima HD voice
– Dual-port Gigabit Ethernet
– Paper label free design
– 4.3″ 480 x 272-pixel color display with backlight
– Built-in a USB port, support Bluetooth headset (Through USB Dongle)
– Up to 16 SIP accounts
– PoE support, Headset, EHS support
– Supports expansion modules
