
TG400, Telecom, VoIP Gateway, Yeastar, GSM, 1U 19-inch Rackmount
4-channel VoIP GSM/3G/4G gateway supporting 4 SIM cards in a 1U 19-inch rackmount chassis with built-in AC power and intelligent LCR.
Product Overview
The Yeastar TG400 is an enterprise 4-channel VoIP GSM gateway engineered to bridge 4 cellular mobile SIM cards into IP-PBX systems in a standard 1U 19-inch rackmount chassis. Designed to streamline high-volume outbound calling, the TG400 allows corporate telephony systems to place up to four simultaneous cellular calls directly onto mobile networks. Featuring an internal 100-240V AC power supply and four SMA antenna connectors, the TG400 delivers exceptional reliability. Its advanced software suite includes intelligent Least Cost Routing (LCR), SIM balance management, call duration capping, bulk SMS broadcasting, and HTTP API integration for enterprise CRM systems.
Why Buy This Product
1U Rackmount Server Enclosure
Clean 19-inch rackmount installation with integrated AC power supply for enterprise server rooms.
4 Concurrent Cellular Lines
Handles 4 simultaneous mobile calls, providing abundant outbound capacity for sales teams.
SIM Quota & Minute Tracking
Set maximum talk-time limits per SIM card to prevent post-paid bill shock and balance exhaustion.
Best for These Applications
Outbound Telemarketing & Call Centers
Teams making heavy volumes of customer outreach calls to national mobile numbers.
Logistics & Fleet Dispatch
Dispatchers communicating constantly with drivers and field technicians on mobile phones.
Key Advantages
- Automated SIM Failover:Automatically switches to alternate SIMs when a SIM card runs out of airtime or credit.
- Carrier-Neutral Quad-Band:Works with all GSM network frequencies worldwide (850/900/1800/1900 MHz).
- Integrated SMS Gateway API:Allows CRM software and web applications to trigger SMS alerts and confirmation texts.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 1.6 |
| Shipping Weight | 2.3 |
| Category Page Featured | Yes |
| Gsm Channels | 4 |
| Voip Channels | 4 |
| Concurrent Calls | 4 |
| Sim Card Slots | 4 |
| Antenna Interfaces | 4 x SMA Female Antenna Interfaces |
| Voip Protocols | SIP (RFC3261), IAX2, TLS, SRTP, IPv4, IPv6 |
| Audio Codecs | G.711a, G.711u, G.722 (HD Voice), G.726, G.729A, GSM, iLBC |
| Dtmf Modes | In-Band, RFC2833, SIP INFO |
| Echo Cancellation | ITU-T G.168 Line Echo Cancellation (up to 128ms) |
| Ethernet Ports | 1 x 10/100 Mbps RJ45 |
| Network Protocols | IPv4, IPv6, DHCP, Static IP, PPPoE, VLAN 802.1Q |
| Security Protocols | TLS, SRTP, HTTPS Web GUI, Built-in Firewall |
| Call Routing Features | Least Cost Routing (LCR), Carrier Prefix Selection, SMS Bulk Broadcasting, SMS to Email / Email to SMS, USSD Balance Inquiries, SIM Rotation / Call Quotas |
| Power Supply | 100-240V AC 50/60Hz Internal Power Supply |
| Power Consumption | 18W Maximum |
| Mounting Form Factor | 1U 19-inch Rackmount |
| Dimensions | 440 x 175 x 44 mm |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Certifications | CE, FCC, RoHS |
| Stock | 3 |
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