Expansion card (9 results)
- +20
Yeastar Expansion card S2- Compatible with Yeastar P520, P550, P560, P570
- 2 analog ports
- Colour: Green
- +1
Yeastar Expansion card B2 module- Compatible with all Yeastar P-Series PBX systems
- 2 BRI ISDN connections
- Colour: Green/Orange
- -1
Yeastar Expansion card D30 DSP module- Expansion card
- D30 DSP module
- Compatibility: Yeastar PBX P560 and P570
- Colour: Black
- 0
Yeastar Expansion card SO Module 1x FXO RJ11, 1x FXS RJ11 port- SO Module
- 1x FXO RJ11 port + 1x FXS RJ11 port
- Compatible with Yeastar P520, P550, P560, P570
- PSTN failover function
- 0
Yeastar Expansion card 4G LTE Module- 4G LTE module
- Enables 4G cellular data on the SIM card, making 4G LTE the primary Internet connection for the S-Series VoIP phone system
- 4G LTE network failover for business continuity
- Voice over LTE for faster voice connection and better call quality
