Availability - In Stock - UK or EU Power

AG-188 series voice gateway is an Internet based one port voice gateway. The AG-188 series adapts multi voice control protocols and voice compression codec to directly convert analogue voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service.

NEW FIRMWARE ISSUED 24/04/2007

Changes include:

Added Attended transfer
ILBC codec supported
Prevent device from updating with incorrect firmware file
Correction to time zone display
Enhanced calling procedure

AG-188 series one port voice gateway supports SIP, and IAX2* protocol, offering one 10/100Mbps Ethernet interface, one RJ11 telephone interface, one built-in router and lifeline port. AG-188 is small and can be widely used in SOHO, small office and enterprise branches.

*IAX Support now available

Key features:

Support two sip servers running at the same time.
Redundancy sip server capable.
NAT, Firewall.
DHCP client and server.
Support PPPoE, (used for ADSL, cable modem connecting).
Support major G7.xxx CODEC.
VAD,CNG.
G.165 compliant 16ms echo cancellation
E.164 dial plan and customized dial rules
Hotline.
Call Forward, Call Transfer, 3-way conference calls
Call ID display
DND(Do Not Disturb),Black List,Limit List

Data Features:

Static/Dynamic WAN-IP-Addressing, PPPoE

Management:

Web, telnet and keypad management.
Adjustable user password and super password
Upgrade firmware through HTTP, FTP or TFTP.
Telnet remote management.
Upload/download setting file
Auto-provision.
Safe mode provides reliability
Phone book, maximum 100 entries.

Interface

Two RJ45 ports, one for WAN, one LAN.
One RJ11 port, acts as lifeline function through lifeline accessory.
Power port

Data networking:

MAC Address
TCP:Transmission Control Protocol
DHCP:Dynamic Host Configuration Protocol
PPPoE, PPP Protocol over Ethernet
SNTP - Simple Network Time Protocol
STUN - Simple Traversal of User Datagram ...
MD5 Message-Digest Algorithm
DNS - Domain Name Server
RTP: Real-time Transport Protocol
RTCP:Real-time Control Protocol
Telnet:Internet's remote login protocol
HTTP:Hyper Text Transfer protocol
FTP:File Transfer protocol
TFTP:Trivial File Transfer Protocol

Call control /voip Features

SIP RFC3261,RFC 2543
Tone generation and Local DTMF re-generation according with ITU-T
G.711(A-law or u-law)
G729
AGC(Auto Gain Control)
G.168/165 compliant 16ms echo cancellation
AEC(Auto Echo Cancellation)
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation

Electric requirements

Voltage: 9V ~ 24V
Power adapter: output DC 12V/450 mA

Operating requirement

Operation temperature: 0 to 40 C ( 32 to 104 F)
Storage temperature: -30 to 65 C (-22 to 149 F)
Humidity: 10 to 90% no dew

Regulatory compliance

CE,FCC part 15

£31.48
£36.99 incVAT