Yeastar EX30 Expansion Board w/ E1/T1/PRI Port - Hong Kong

Yeastar EX30 Expansion Board w/ E1/T1/PRI Port

1 E1/T1 Port Expansion Board for Yeastar P560 / P570 / S100/ S300 systems

 

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Yeastar EX30 Expansion Board w/ E1/T1/PRI Port

EX30 board Yeastar EX30   [embedyt] https://www.youtube.com/watch?v=igh4wSD8IRE[/embedyt]

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