EchoLife ET523 IP Phone User Manual
2
Product Overview
Back view
Table 2-1 key features of the ET523
Feature
Open standard compatibility
Network interfaces
High audio quality
Traditional features
Advanced functions
Advanced features
Desk view
Description
SIP 2.0, TCP/IP/UDP, RTP/RTCP/SRTP,
HTTP/HTTPS, ARP/RARP, ICMP, DNS (A
record and SRV), DHCP (only client), PPPoE,
TFTP, NTP
Two full/half duplex 10/100Mbit/s Ethernet ports
Advanced DSP, silence suppression, VAD, CNG,
AGC
Standard voice features including caller ID
display, call waiting, call holding, call transferring,
call forwarding, call blocking, call rejecting, mute,
autodial, and off-hook auto dial
Supporting multi-lines, multiparty conference call,
up to 112 additional extensions, headset enabled,
intercom, AES encryption
Customized ringtones, MLS, XML enabled, SRTP
6
2 Product Overview
Side view