Yealink SIP-T54S Administrator's Manual page 38

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
SIP-T21(P) E2
Physical Features:
132 x 64 graphic LCD
-
2 VoIP accounts, Broadsoft Validated/Asterisk® Compatible
-
- 26 dedicated hard keys and 4 context-sensitive soft keys
4 LEDs: 1*power, 2*line, 1*message
-
- HD Voice: HD Codec, HD Handset, HD Speaker
1*RJ9 (4P4C) handset port
-
- 1*RJ9 (4P4C) headset port
2*RJ45 10/100Mbps Ethernet ports
-
Power adapter: AC 100~240V input and DC 5V/600mA output
-
- Power over Ethernet (IEEE 802.3af) (not applicable to SIP-T21 E2 IP phones)
Wall Mount
-
12