Yeastar TG1600 16 Channel VoIP GSM Gateway
The Yeastar TG1600 16‑Channel VoIP GSM Gateway is a high-capacity GSM-to-VoIP gateway designed for businesses and telecom service providers. Housed in a compact 1U rackmount chassis, it integrates up to 16 GSM channels for seamless two-way communication between mobile networks and SIP/IP-based systems. With robust call routing, SMS capabilities, and secure connectivity, the TG1600 is ideal for reducing telephony costs and enhancing voice system flexibility.
Key Features
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16 GSM Channels: Supports up to 16 simultaneous GSM voice calls using real SIM cards.
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SIP & IAX2 Protocols: Compatible with SIP (RFC 3261) and IAX2 with support for UDP, TCP, TLS, and SRTP.
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Voice & Codec Support: Includes G.711a/u, G.722, G.723.1, G.726, G.729A/B, GSM, ADPCM, and Speex.
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Advanced Routing & Call Features: Least-cost routing, trunk grouping, auto-retry, call duration limits, blacklisting, and CDR logging.
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SMS Functionality: Send and receive SMS; supports bulk messaging and SMS-to-IP conversion.
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Secure Networking: Built-in firewall, VLAN/QoS, NAT traversal, OpenVPN, DDNS, and remote management access.
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HD Audio & Echo Cancellation: Crystal-clear calls with ITU-T G.168 echo cancellation and HD voice support.
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Failover Capability: Automatically routes calls through GSM in case of VoIP trunk failure—ensuring reliable communication.




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