6. Appendix
6.1. Specification
6.1.1. Hardware
Item
A1 GATEWAY
Adapter
(Input/Output)
Input: 100-240V
Output: 12V 1A
WAN
10/100Base- T RJ-45 for LAN
port
LAN
10/100Base- T RJ-45 for PC
Operation
Temperature
0
~
40
℃
Relative Humidity
10
~
65%
main chip
Ralink MIPS 24KEC (320MHz)
SDRAM 16M
Flash 4M
6.1.2. Voice features
z
Support SIP 2.0 (RFC3261) and correlative RFCs
z
Codec: G.711A/u, G.729a/b
,
G.726-32k
,
ilbc
z
Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC)
can reach 96ms max filter length in hands-free mode
z
Support Voice Gain Setting, VAD, CNG
z
NAT penetration, Support for STUN way through
z
SIP support SIP domain, SIP authentication(none basic, MD5), DNS name of server, Peer
to Peer/ IP call
z
SIP can register two SIP accounts, through the Pubic Server / Private server, users can
either account for inbound and outbound
z
Support call line automatically selected, when the public can not connect the server
when the server can automatically switch to the private call
z
DTMF Relay: support SIP info
,
DTMF Relay
,
RFC2833
z
SIP application: SIP Call forward/transfer
(
blind/attended
)
/hold/waiting/3 way talking/
z
Call control features: Flexible dial map, hotline, empty calling No. reject service, black
list for reject authenticated call, limit call, no disturb, caller ID, Flexible deer peer rule.
z
Support T.38 Fax
z
With the escape port (lifeline), can support power to answer and make phone calls
through the exit port can also be the system starts the call by dialing rules lifeline
z
Add voip unavailable features to automatically connect to the lifeline routes
z
Add busy when N / A lines of the 4 modes
z
Support IAX2
6.1
.3. Network features
z
WAN/LAN: support bridge and router model
z
Support PPPoE for XDSL