Telephony Modules

Telephony Modules

Yeastar S-Series VoIP PBX provides flexible telephony interfaces combination while allowing for future scalability with unique modular design. Besides the built-in rich SIP capabilities, S-Series lets you decide what types of extensions and physical trunks you need in your telephone system. When your business grows, adding more users and concurrent calls is also possible with S-Series.

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Product Details

S2 Module

  • 2 FXS Ports
  • Adds 2 Analog Telephones

O2 Module

  • 2 FXO Ports
  • Connects 2 Analog PSTN (POTS) Lines

SO Module

  • 1 FXS Port & 1 FXO Port
  • Unique PSTN Fallback Function

GSM Module

  • 1 GSM Channel
  • 1 Channel for GSM Voice Calls

Yealink Works With

Interested to know how Yealink products can help you to manage calls more efficiently?

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