4
1. Overview of C2W
1.1
Interfaces
Power input: DC 5V, 1000mA
LAN: RJ45 port
PC: RJ45 port
Headset jack 1 : RJ9 port
Handset jack 1 : RJ9 port
1.2
Hardware
LCD: 132×58
CPU: 400MHz Dual Core
LED indicator: 1 Status Light, 2 line indicators
1.3
Software
Sip 2.0 (RFC3261) and other related SIP RFCs
2 SIP lines
STUN
Jitter Buffer, VAD,CNG
G711A/u, G722, G726-16, G726-24, G726-32, G726-40, G729 , Lin16-16, iLBC
Echo Cancellation
SIP Domain name, Authentication
DTMF
(
inband, RFC2833, info
)
Call transfer, Call forward, 3-way conference, Call hold, Call back
DND(Do Not Disturb), Auto answer, Blacklists, Block Call-ID, Block Anonymous call, Dial
plan, IP call
Phone book with 1000 white records and 100 black records, 200 answered calls, 200 missed
calls, 200 dialed calls