Yeastar YST-TG400 NeoGate 4-SIM Quad-band GSM VoIP Gateway

Overview:

The Yeastar TG400 is a 4-channel VoIP GSM gateway connecting GSM/UMTS cellular networks with IP-based telephone systems. It supports two-way communication between VoIP and mobile networks, allowing IP-PBX, IP phones and softswitches to access cellular voice services.

It also supports SMS, USSD, SIP/IAX2 signaling, call routing, GSM port grouping and web-based management.

Application & Use Cases:

The TG400 connects IP-PBX/VoIP systems to cellular networks, supporting mobile calling, SMS services and cellular connectivity as a primary or backup communication path.

Applications:

• IP-PBX Cellular Integration
• GSM Trunking
• Mobile Voice Connectivity
• SMS Gateway Applications
• Landline Backup
• Business Continuity
• Mobile-to-Mobile Calling
• VoIP-to-Mobile Calling
• Call Routing
• Least-Cost Routing

Typical Use Cases:

Small and Medium Businesses

Connect an IP-PBX to GSM/mobile networks for outbound and inbound mobile calls.

Cellular Backup

Use mobile networks as an alternative communication path when fixed telephone connectivity becomes unavailable.

Mobile Trunking

Add GSM connectivity to an IP-PBX for organizations handling substantial mobile-network calling.

SMS Services

Send and receive SMS through the gateway's management interface and supported APIs.

VoIP-to-GSM Calling

Route calls from an IP telephone system through cellular SIM channels.

GSM-to-VoIP Calling

Route incoming mobile-network calls into an IP-PBX or VoIP environment.

Features:

• 4 GSM/cellular channels
• VoIP-to-GSM calling
• GSM-to-VoIP calling
• SIP and IAX2 support
• 1x 10/100 Mbps Ethernet port
• SMS sending and receiving
• Bulk SMS support
• USSD support
• Incoming and outgoing call routing
• GSM/mobile port grouping
• VoIP trunk grouping
• Call Detail Records
• Call transfer and callback
• Caller ID / CLIR
• Blacklist and whitelist
• Call duration limitation
• Hotline function
• Open API for SMS and USSD
• SIP server for IP phones
• SIP peer-to-peer support
• Web-based configuration
• OpenVPN
• Firewall
• VLAN
• QoS/ToS
• Static routing
• STUN and Static NAT
• DDNS
• Packet capture
• Network attack alerts
• System logs

Key Specifications

• Cellular:
• Cellular Channels: 4
• GSM Bands: 850 / 900 / 1800 / 1900 MHz
• UMTS/WCDMA Bands: 850/1900 MHz, 850/2100 MHz, 900/2100 MHz
• SIM Channels: 4
• SMS: Sending and receiving
• Bulk SMS: Supported
• USSD: Supported
• Carrier Selection: Automatic / manual
• Caller ID: Supported
• CLIR: Supported
• PIN Modification: Supported

VoIP:

• VoIP Protocols: SIP, IAX2
• Transport: UDP, TCP, TLS, SRTP
• Calling: VoIP-to-GSM and GSM-to-VoIP
• Voice Codecs: G.711 A-law/U-law, G.722, G.726, G.729A, GSM, ADPCM, Speex
• Echo Cancellation: ITU-T G.168 LEC
• DTMF: RFC2833, SIP INFO, In-band
• SIP Server: Included
• SIP Peer Mode: Supported
• SIP Response Code Switching: Supported
• Dialing: 1-stage / 2-stage
• Call Progress Tone Generation: Supported
• Networking:
• Ethernet Ports: 1
• Ethernet Speed: 10/100 Mbps
• Network Protocols: FTP, TFTP, HTTP, SSH
• IP Configuration: Static IP, DHCP
• NAT Traversal: Static NAT, STUN
• VPN: OpenVPN
• Firewall: Supported
• VLAN: Supported
• QoS/ToS: Supported
• Static Route: Supported
• DDNS: Supported
• Network Attack Alert: Supported
• Packet Capture: Supported

Call Management:

• Incoming Routing: Supported
• Outgoing Routing: Supported
• Mobile Port Groups: Supported
• VoIP Trunk Groups: Supported
• Blacklist: Supported
• Whitelist: Supported
• Hotline: Supported
• Call Transfer: Supported
• Call Back: Supported
• Call Waiting: Supported
• Call Duration Limitation: Supported
• CDR: Supported
• Call Status Display: Supported
• NTP: Supported
• AutoCLIP: Supported

Management:

• Management Interface: Web-based
• Firmware Upgrade: HTTP / TFTP
• Configuration Backup: Supported
• Configuration Restore: Supported
• System Logs: Supported
• Open API: SMS and USSD
• Asterisk-Based Open API: Supported