ZG101--The smallest ATA in the market
Software Feature
Protocol: IETF SIP RFC3261
Codec: G. 711law, G711 a-law, 729a
Security:
HTTP 1.1 basic/digest authentication for Web setup
MD5 for SIP authentication (RFC 2069/ RFC 2617)
Dial Methods:
Direct IP call without SIP proxy
Dial number via SIP server
Voice Quality: VAD, CNG, G. 168, Jitter buffer
QoS: ToS field
Dial Signal: DTMF dialing
Tone: DTMF, Ring Tone, Ring Back Tone, Dial Tone, Busy Tone
IP Assignment: Static IP, DHCP
NAT Traversal: STUN
TCP/IP: IP/TCP/UDP/DHCP/RTP/ HTTP//TFTP/DNS
Configuration: Web browser, Auto-provisioning system
Firmware Upgrade: TFTP

Hardware Feature
Size: About 85*60*20(mm)
Network Interface: RJ-45 x 1, 10/100BaseT
Phone Interface: RJ-11 x 1, connect to analog phone

Power:
Nput AC 100-120V / 220-240V
Output DC 5V
Operation temperature: 0ºC to 40ºC (32 to 104F)
Storage temperature: -30ºC to 65ºC (-22 to 149F)
Humidity: 10 to 90% no dew