YR-SO Modules ( S-Series and P-Series Compatible):Default Title Supports up to 3 Expansion

Supports up to 3 Expansion Module EXP50

Features: Bluetooth 5

The Yeastar P-Series PBX is a versatile and scalable communication solution designed for medium to large businesses

Yeastar TB200

Yeastar Billing Application License - S20

YR-SO Modules ( S-Series and P-Series Compatible):Default Title Supports up to 3 ExpansionYeastar SO Module, 1 FXS and 1 FXO. The Yeastar YR SO is a software based add on or module for Yeastar IP PBX systems, designed to enhance functionality and expand communication capabilities. This module offers additional features that support various business needs, such as advanced call handling, enhanced routing, and other specialized telephony options.