Yeastar Pbx Agregar. Módulo 2x Puertos Fxs

As a new generation of sender, S2 Sender has updated its core chips, and the performance significantly improved. It adopts dual USB2.0 as the communication interface to achieve high speed communication between the PC and senders. S2 Sender realizes cascading between multiple cards and much more convenient. S2 Sender can be applied to small display perfectly....