4G LTE GSM Gateway - VOIP
SK-LTE Gateway is a multi-functional and high-performance LTE voice and data gateway, built on advanced embedded technology. It enables organizations to process traditional voice calls while also providing high-speed internet data service. Designed with modern hardware and software architecture, the SK-LTE Gateway supports up to 32 concurrent channels, delivering reliable connectivity for enterprise-grade telecom environments.
Key Features
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Relay Encryption Solution (prevents IP blocking)
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Bandwidth Optimization
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Automatic SIM Rotation (avoids SIM blocking)
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Base Station Switching
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SIM Hot-Plugging
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Remote Management (control devices anywhere)
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Multi-Codec Support (G.729a/b/e, G.723.1, G.711 A/U-law, iLBC)
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Two-way SMS (send & receive)
Technical Specifications
Channels: 32 LTE Channels
Protocols: SIP v2.0 (RFC3261), RTP/RTCP (RFC3551)
Functions: Echo/silence suppression, Caller anonymity, Volume control, PIN management
Supported Services: Voice, SMS, USSD, AT commands
LTE Parameters
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LTE Bands: Multiple frequency bands (e.g., 700 / 850 / 900 / 1800 / 2100 / 2600 MHz – depending on model)
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Transmitter Power: Up to +23 dBm (typical LTE power class)
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SIM Cards: 1 SIM per channel (hot-swappable, 3V/1.8V)
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Antenna: SMA connector, 50 Ω impedance
Interfaces
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WAN: RJ-45 Ethernet port
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SIM Slots: 1 per channel
Multi-functional and high performance product, which supports SMS sending, receiving and group sending. It’s different from traditional modem, it’s based on IP network, with the SMPP/HTTP API, customers can develop SMS server easily. It is widely used in mobile marketing, verify code, bulk of SMS and corporate SMS. Can do voice and sms.
Features
1) Each channel Support 1 port work
2) 4, 8, 16, and 32 port
3) AT command directly
4) Base Station Change
5) Support USSD balance enquiry, billing
6) Direct to monitor Status of Sending SMS
7) Support to do sms route
8) Auto suffer the internet to useInternet traffic
9) Support SIMS hot-swap
10) Support SMPP server/client
11) Support HTTP/SIP SMS API
12) Direct to open gateway software page in Webpage
13)Relay Encryption Solution(Fix IP Blocking)
14)Bandwidth Optimization