ICT Tech Support. VoIP Card Modules

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Picture of Yeastar GSM Module

Yeastar GSM Module

1 Channel for GSM Voice Calls Frequency: 850/900/1800/1900 MHz (quad-band)

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Picture of Yeastar O2 Module

Yeastar O2 Module

2 FXO Ports Connect 2 analog PSTN (POTS) lines.

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Picture of Yeastar S2 Module

Yeastar S2 Module

2 FXS Ports Add 2 analog telephones.

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Picture of Yeastar SO Module

Yeastar SO Module

1 FXS Port & 1 FXO Port Unique PSTN Fallback Function

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