Yeastar VoIP GSM Gateway NEOGATE TG400

Interface and voice processing: - Mobile: 1/2/4/8 GSM Channels - LAN: 1 (10/100Mbps) - 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 Bobile Features: - GSM Frequency: 850/900/1800/1900MHz - 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 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 Duration 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) Network and Management: - Network Protocol: UDP, TCP, TFTP, HTTP, SSH - NAT Traversal: Static NAT, STUN - Static Route - OpenVPN - Firewall - VLAN - QoS/ToS - DDNS - Configure backup/restore - Firmware upgrade by HTTP/TFTP - Web based configuration