Yeastar D30 User and Call Expansion Module
Yeastar EX08 Expansion Board Module
The Yeastar EX08 Expansion Board Module adds 8 RJ11 interfaces and 4 internal module slots to compatible Yeastar PBX systems — enabling flexible analog, BRI, or mobile telephony expansion with support for optional telephony modules like FXO/FXS, BRI, and GSM/3G/4G. Perfect for scalable hybrid VoIP deployments.