AG188 series voice gateway is an Internet based one port voice gateway. AG-188 series adapts multi voice control protocols and voice compression codec to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service.

AG188 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.

Key features:
Support two sip servers running at the same time.
Redundancy sip server support.
Support T.38 fax function
Support IAX2 protocol
NAT, Firewall.
DHCP client and server.
Support PPPoE, (used for ADSL, cable modem connecting).
Support major G7.xxx CODEC.
VAD,CNG.
G.165 compliant 32ms echo cancellation
E.164 dial plan and customized dial rules
Support Lifeline.
Hotline.
Call Forward, Call Transfer, 3-way conference calls
Call ID display
DND(Do Not Disturb),Black List,Limit List
Reverse polarity
Voice prompt
Increase Vlan and automatically upgrade configuration file encryption function
support IAX2 and FAX
Increase the time zone function

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 provide reliability

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