Telephony Modules and Expansion Boards

scalable ippbx

Yeastar P-Series PBX System and S-Series VoIP PBX provide flexible telephony interfaces combination while allowing for future scalability with unique modular design. Besides the built-in rich SIP capabilities, you can decide what types of extensions and physical trunks you need in your telephone system. When your business expands, more uses and concurrent calls can also be added easily to meet growing business needs.

Add Telephony Modules

All the telephony interfaces are modular and customizable, whether it’s FXS, FXO, ISDN BRI/PRI, or GSM/3G/4G.
S100, S300, P560, P570 require the combination of the Expansion Board and Telephony Modules to add interfaces.

  • S20 has 2 onboard module slots.
  • S50, S412, and P550 have 4 module slots.
  • P560 allows 1 Expansion Board.
  • S100 and P570 support 2 Expansion Boards.
  • S300 supports 3 Expansion Boards.

Telephony Modules Available

Supported Model: S412, S20, S50, S100, S300, P550, P560, P570

S2 Module

Module S2

2 FXS Ports

Add 2 analog telephones.

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O2 Module

Module O2

2 FXO Ports

Connect 2 analog PSTN (POTS) lines.

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SO Module

Module SO

1 FXS Port & 1 FXO Port

Unique PSTN Fallback Function

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B2 Module

Module B2

2 BRI Ports

2 x NT/TE BRI Ports

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GSM Module

Module GSM

1 GSM Channel

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

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3G Module

Module GSM

1 WCDMA Channel

1 Channel for WCDMA Voice Calls Frequency: 900/2100 MHz, 850/2100 MHz, 850/1900 MHz

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4G LTE Module

Module 4GLIE

3G/4G Voice Call & Data

Insert 4G module on Slot_1 of S20&S50 and Slot_1 of EXP 1 of S100&S300.Learn more.

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Expansion Boards

s-series p-series ex08

EX08 has 4 onboard module slots and 8 interfaces on the panel.
Supported Model: S100, S300, P560, P570

S-Series P Series EX30

EX30 has 1 onboard E1/T1/PRI port.
Supported Model: S100, S300, P560, P570

capacity

Expand System Capacity

D30 Module

Add 100 VoIP Users & 30 Concurrent Calls
Supported Model: S100, S300, P560, P570

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