Call Control Protocols

SIP

Number of Ports

·4FXS4FXO(RJ-11 connector)

·1 WAN 10/100Base-T ethernet(RJ-45 connector)

·1 LAN 10/100Base-T ethernet(RJ-45 connector)

·1 console(RS-232 connector)

Voice CODECs

G.729A, G.723.1, G.711 a/ulaw

Network Protocols

IPv4、TCP、UDP、PPPoE、DHCP、

DNS、NAT、Telnet、HTTP、FTP、TFTP

Configuration and Management

·Web-based GUI

·Console, telnet command line

·Centralized network management

·IP configuration setting through IVR

Firmware Update

Local file, FTP, TFTP and HTTP

Telephony Features

·Hot-line call

·Dial plan

·Speed dial

·Phone book

Telephony Signaling

·DTMF tone detection/generation

·DTMF relay: in-band, RFC 2833 and SIP Info

·Call forward: unconditional, no answer and busy

·N-way conferencing

·Caller ID display/generation

Fax

T.38 fax

Voice Quality

·Echo cancellation

·Silence suppression(voice activity detection, comfortable noise generation)

·Adaptive jitter buffer

LEDs

1 power, 2 WAN (10M and 100M), 2 LAN

(10M and 100M) and 32 ports

Power Supply

Input 12V DC/1.2A

Dimensions

230(W) x 150(D) x 35(H) mm

Weight

2.1kg

Operating Environment

·Operating temperature: 0 - 50ºC

·Operating humidity: 10 - 90%

Warranty

12 Months