

- Module for Yeastar iPBX S-Series / P-Series
- 4 onboard module slots
- 8 interfaces on the panel
In stock
24/48hAll 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, P520 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.
Specific References