AirLive VOIP-120A Leaflet

5F, No.96, Min-ChuanRd, Hsin-tien City, Taipei, Taiwan

he VoIP-120A is a SIP based advance VoIP 
adapter that convert 2 analog telephones/
FAX into VoIP devices. Simply plug a normal 

telephone/FAX into the FXS port, then will turn 
the telephone/FAX into an IP phone/FAX. 

The VoIP-120A supports 2 FXS ports that can 
make / receive 2 IP Phone calls for different 
VoIP cost-effective route. The VoIP-120A also 
comes with IP sharing function so you can share 
the Internet connection between VoIP and other 
computers.

Network Protocol 
- SIP v1 (RFC2543), v2 (RFC3261) 
- IP/TCP/UDP/RTP/RTCP 
- IP/ICMP/ARP/RARP/SNTP 
- TFTP Client/DHCP Client/ PPPoE Client 
- Telnet/HTTP Server 
- NAT/DHCP Server 

Codec
- G.711: 64k bit/s (PCM) 
- G.726: 16k / 24k / 32k / 40k bit/s (ADPCM) 

- G.729A: 8k bit/s (CS-ACELP) 
- G.729B: adds VAD & CNG to G.729 

Voice Quality
- VAD: Voice activity detection.  
- CNG: Comfortable noise generator  
- LEC: Line echo canceller 
- Packet Loss Compensation 
- Adaptive Jitter Buffer