Yeastar TG400 VOIP Gateway 4 Channels Features

Interface & Voice Processing

• Mobile: 4 GSM channels
• LAN: 1 (10/100Mbps)
• Antenna splitter (4 in 1)
• Protocol: SIP, IAX2
• SIP trunk: support
• SIP peer mode
• SIP server for IP phones included
• SIP response code switch
• Session timer
• Call progress tone generation
• 1 stage/2 stage dial
• Transport: UDP, TCP, TLS, SRTP
• Voice codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, speex
• Echo cancellation: ITU-T G.168 LEC
• DTMF mode: RFC2833, SIP INFO, in-band

System Features

• Calling type: termination (VoIP to GSM), origination (GSM to VoIP)
• GSM ports group manage
• VoIP trunk group
• Incoming/outgoing routing rules
• White list and black list
• Hotline
• Call guration limitation
• Call transfer
• Call waiting
• Call back
• Call Detail Record (CDR)
• Call status display
• NTP
• IP blacklist
• Network attack alert
• Packet capture
• System logs
• Real open API protocol (based on Asterisk)

Mobile Features

• GSM frequency: 850/900/1800/1900 MHz
• SMS sending and receiving
• Send bulk SMS
• SMS center
• Gain adjustment
• USSD
• PIN modify
• Carrier selection: auto/manual
• Balance alarm
• Caller ID/CLIR
• Open API for SMS and USSD

Network & Mangement

• Network protocol: UDP, TCP, TFTP, HTTP, SSH
• NAT traversal: static NAT, STUN
• Static route
• Open VPN
• Firewall
• VLAN
• QoS/ToS
• DDNS
• Configure backup/restore
• Firmware upgrade by HTTP/TFTP
• Web based configuration

Environment

• Dimensions (mm): 213x160x44
• Power supply: 100-240V 50/60 Hz 0.5A MAX
• Operation range: 0 °C to 40 °C, 32 °F to 104 °F
• Storage range: -20 °C to 65 °C, -4 °F to 149 °F
• Humidity: 10-90% non-condensing