Description
Yeastar S50 VoIP PBX
S50 is a compact and full-featured IP-PBX that comes in a 19’’ 1U rack-mountable chassis.
The advanced module-based S50 is capable of supporting ISDN BRI, PSTN, and GSM connectivity,
providing VoIP communications for up to 50 users.



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With Yeastar S-Series, all the telephony interfaces are modular and customizable, S50 support 4 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.


Linkus Mobile Client Stay Connected
anywhere anytime
Coordinated with S-Series VoIP PBX, Linkus Mobile Client makes
your Android or iOS mobile phone an office extension.
