Appendix; Specification; Hardware; Voice Features - Yealink IP40 User Manual

9 Appendix

9.1 Specification

Hardware

9.1.1
Item
Adapter
(Input / Output)
port WAN
LAN
Power
Consumption
LCD Size
Operation
Temperature
Relative Humidity
CPU
SDRAM
Flash
Dimension(L x W x
H)
Weight

Voice features

9.1.2

SIP supports 4 SIP servers

Support SIP 2.0 (RFC3261) and correlative RFCs

Codec: G.711A/u, G.723, G.729, G.722.1, G.726-32

Echo cancellation: G.168 Compliance in LEC, additional acoustic echo
cancellation(AEC) can reach 96ms max filter length in hands-free mode

Support Voice Gain Setting, VAD, CNG

Support full duplex hands-free

Support multi line/HD Voice

SIP support SIP domain, SIP authentication(none basic, MD5), DNS name
of server, Peer to Peer/ IP call
IP40(P)
Input: 100-240V
Output: 5V 1A
10/100Base- T RJ-45 1 PORT
10/100Base- T RJ-45 1 PORT
Idle: 2.5W/Active: 2.8W
128x96
53.5 x 70mm
0～40℃
10～65%
Broadcom
128MB
32MB
295×295×175mm
1.5kg