Gateway

Key features
Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP, DHCP, NTP/SNTP,
TETP protocols.
Support STUN and symmetric RTP for NAT.
Interoperable with various 3rd party SIP end user device, Proxy/Registrar/Server, and
gateway products.
Advanced 32bit embed MCU + DSP technology to ensure superior audio quality.
Advanced adaptive jitter buffer control, packet delay and loss concealment
technology.
Support popular voice coders including G.723, G.729A/B, G.711(a-law and u-law),
G.726(40K/32K/24K/16K).
Support standard voice feature such as Caller ID Display, Call Waiting, Hold, Transfer,
in-band and out-of-band DTMF, three way conference.
Support Silence Suppression, VAD (Voice Activity Detection), CNG(Comfort Noise
Generation), Line Echo Cancellation(G.168), and AGC(Automatic Gain Control)
Hardware
GA-906
5V power adapter
FXS port
LAN port and LAN LED indicator
Interface
1 RJ-11 port connect to the telephone or FAX machine
1 Ethernet 10baseT RJ-45 LAN port connect to IP networks

GA-906Single SIP Adapter
Congratulations on becoming an owner of SIP GA-906 IP telephone adapter! You made
an excellent choice and we hope you will enjoy all its capabilities. SIP GA-906 offers a
rich set of functionality and superb sound quality at ultra affordable price. It is fully
compatible with SIP industry standard and can interoperate with many other SIP
compliant devices and software on the market.

Gateway