Yeastar EX08 4-Slot Expansion Board Yeastar EX08 4-Slot Expansion BoardYeastar EX08 expansion board supports S100 and S300 VoIP PBX, and has 4 onboard module slots and 8 interfaces on the panel. Expansion Board for Yeastar S100 and S300 systems Supports up to 4 optional modules/8 ports, including O2, S2, B2, GSM, UMTS, and CDMA modules Add up to 2 expansion cards to S100 and 3 to the S300.
eBay
Expansion Board for Yeastar S100, S300,P560 and P570 systems. Supports up to 4 optional modules/8 ports, including O2, S2, B2, GSM, UMTS, and CDMA modules. Add up to 2 expansion cards to S100 and 3 to the S300.
eBay
Third-party communication resources including IP Phones, CRM, collaboration tools can also be integrated easily with P Series to form a cohesive communication and collaboration solution, and break the boundary of systems.
eBay