| Specifications |
| Mobile | 4 GSM or WCDMA Channels (depends on which type of network you order) |
| GSM Frequency | 850/900/1800/1900 MHz |
| WCDMA Frequency | 850/1900 MHz, 850/2100 MHz, 900/2100 MHz |
| Antenna splitter (4 in 1) | Support |
| Protocol | SIP, IAX2 |
| 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 |
| Console Port | – |
| Calling Type | Termination (VoIP to GSM/WCDMA), Origination (GSM/WCDMA to VoIP) |
| LAN | 1 10/100Mbps |
| Network Protocol | FTP, TFTP, HTTP, SSH |
| NAT Traversal | Static NAT, STUN |
| Network | DHCP, DDNS, Firewall, OpenVPN, Static IP, QoS, Static Route, VLAN |
| Dimensions (L × W × H) (mm) | 213 x 160 x 44 |
| Power Supply | AC 100-240V |
| 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 |
| Features |
| 1 Stage/2 Stage Dial | Balance Alarm |
| Call Back | Call Detail Record (CDR) |
| Call Duration Limitation | Call Progress Tone Generation |
| Call Status Display | Call Transfer |
| Call Waiting | Caller ID/CLIR |
| Carrier Selection: Auto/Manual | Configure backup/restore |
| Firmware upgrade by HTTP/TFTP | Gain Adjustment |
| GSM/CDMA/UMTS Ports Group Manage | Hotline |
| Incoming /Outgoing Routing rules | IP Blacklist |
| Network Attack Alert | NTP |
| Open API for SMS and USSD | Packet Capture |
| PIN Modify | Real Open API Protocol (Based on Asterisk) |
| Send Bulk SMS | Session Timer |
| SIP Peer Mode: Support | SIP Response Code Switch |
| SIP server for IP phones: Support SMS Center | SIP Trunk: Support |
| System Logs | SMS Sending and Receiving |
| VoIP Trunk Group | USSD |
| White List and Black List | Web based configuration |
Yeastar TG400 VoIP GSM Gateway
The Yeastar TG400 VoIP GSM Gateway is a cutting-edge telecommunication solution, engineered to seamlessly bridge the gap between traditional GSM/WCDMA networks and modern VoIP infrastructure. Featuring four GSM or WCDMA channels, the gateway provides extensive mobile network coverage across various frequency bands (GSM: 850/900/1800/1900 MHz; WCDMA: 850/1900 MHz, 850/2100 MHz, 900/2100 MHz). The device supports SIP and IAX2 protocols over UDP, TCP, TLS, and SRTP transport, ensuring secure and reliable communication. Equipped with a versatile voice codec lineup including G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, and Speex, the TG400 delivers exceptional voice quality. It incorporates ITU-T G.168 LEC for effective echo cancellation and supports various DTMF modes such as RFC2833, SIP INFO, and In-band. The gateway facilitates both termination (VoIP to GSM/WCDMA) and origination (GSM/WCDMA to VoIP) calling types, providing flexibility in communication scenarios. It features a 10/100Mbps LAN port and supports network protocols like FTP, TFTP, HTTP, and SSH. Network management is comprehensive, including DHCP, DDNS, firewall, OpenVPN, static IP, QoS, static route, and VLAN support. With dimensions of 213 x 160 x 44 mm, the TG400 is compact and suitable for diverse deployment scenarios. It operates within a temperature range of 0°C to 40°C and a humidity range of 10-90% non-condensing. The gateway boasts an array of advanced features, including balance alarms, call back, call detail records (CDR), call duration limitation, call transfer, call waiting, caller ID/CLIR, carrier selection (auto/manual), firmware upgrades by HTTP/TFTP, GSM/CDMA/UMTS ports group management, hotline, network attack alerts, PIN modification, real open API protocol (based on Asterisk), session timer, SMS sending and receiving, USSD support, and web-based configuration. With its rich feature set and robust capabilities, the Yeastar TG400 VoIP GSM Gateway is an ideal choice for businesses seeking seamless integration of GSM/WCDMA networks with their VoIP infrastructure.
