Yeastar GSM Module for S-Series PBX

Overview

The Yeastar GSM Module is a powerful expansion card designed for Yeastar S-Series VoIP PBX systems. It provides one GSM channel for mobile connectivity, allowing your PBX to make and receive calls over the GSM mobile network.

This module enables seamless integration of GSM and VoIP communication, offering flexibility, mobility, and cost savings — perfect for businesses that need GSM trunking, mobile backup, or coverage in areas without stable landlines or internet.

Key Features

• 1 GSM Channel

  • Supports one GSM SIM card for mobile calling and receiving through the PBX.

• Seamless GSM–VoIP Integration

  • Connects GSM networks directly to your IP PBX for unified communication.

  • Enables inbound and outbound calls through GSM lines.

• SMS Support

  • Send and receive SMS messages via the PBX web interface or through API integration.

• Cost-Effective Call Routing

  • Use GSM trunks to reduce call costs with Least Cost Routing (LCR).

  • Automatically route calls through GSM when SIP or PSTN lines are unavailable.

• Plug-and-Play Installation

  • Easy to install on Yeastar S-Series PBX motherboards — automatically recognized by the system.

• High Compatibility

  • Fully compatible with Yeastar S20, S50, S100, and S300 PBX systems.

Technical Specifications

• Model: Yeastar GSM Module

• Interface Type: GSM (SIM card slot)

• Channel: 1 GSM Channel

• Supported Bands: GSM 850/900/1800/1900 MHz

• Compatible PBX Systems:

  • Yeastar S20, S50, S100, S300

• Function: Adds GSM trunk capability to PBX

• SMS Support: Yes

• Power Supply: Draws power from PBX main unit

• Operating Temperature: 0°C – 45°C

Benefits

• Adds GSM network connectivity to your PBX system.

• Reduces mobile call costs with intelligent routing.

• Provides backup for SIP or PSTN trunks.

• Easy plug-and-play installation — no extra configuration required.

• Enhances mobility for business communications.

Ideal For

• Businesses in areas with limited landline or internet coverage.

• Companies looking for mobile trunking or GSM redundancy.

• Offices needing flexible communication via GSM and VoIP.

Delivery & Support

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Order Now!

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