AG-188N

One Port ATA

AG-188N 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.
AG-188N 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-188N is small and can be widely used in SOHO, small office and enterprise branches.

Features：

• VoIP
  • SIP (SIP RFC3261,RFC 2543)
  • Support IAX2
  • Support T.38 fax function
  • Reverse polarity
  • Vlan
  • Hotline.
  • Call Forward, Call Transfer, 3-way conference calls
  • DND(Do Not Disturb),Black List,Limit List
  • E.164 dial plan and customized dial rules

• Voice
  • Tone generation and Local DTMF re-generation according with ITU-T
  • G.711(A-law or u-law) , G723, G729，ILBC
  • AGC(Auto Gain Control)
  • AEC(Auto Echo Cancellation)
  • VAD (Voice Activity Detection)
  • CNG(Comfort Noise Generation
  • G.168/165 compliant 32ms echo cancellation

• Networking
  • Static/Dynamic WAN-IP-Addressing
  • NAT,
  • DHCP client and server.
  • Support PPPoE, (used for ADSL, cable modem connecting).

• Protocols
  • 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