9 Appendix
9.1 Specification
9.1.1 Hardware
Item C58/C58P(P)
Adapter
(Input / Output)
Input: 100-240V
Output: 5V 1A
WAN 10/100Base- T RJ-45 1 PORT port
LAN 10/100Base- T RJ-45 1 PORT
Power
Consumption
Idle: 2.5W/Active: 2.8W
LCD Size 128x48
74 x 28mm
Operation
Temperature
0～40℃
Relative Humidity
10～65%
CPU
Broadcom VoIP chipset
SDRAM 16MB
Flash 4MB
Dimension(L x W x
H)
295×295×175mm
Weight 1.5kg
9.1.2 Voice features
SIP supports 2 SIP servers
Support SIP 2.0 (RFC3261) and correlative RFCs
Codec: G.711A/u, G.723.1 high/low, G.729a/b, G.722, G.726
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
