- 29%
- Module for Yeastar iPBX
- 1 GSM Channel (GSM Voice Calls Frequencies 850/900/1800/1900MHz - Quad-band)
In stock
24/48hWith Yeastar S-Series, all the telephony interfaces are modular and customizable, whether it’s FXS, FXO, ISDN BRI, GSM/3G, or E1/T1/PRI. S20 has 2 onboard module slots and S50 supports 4. S100 and S300 require the combination of Expansion Board and Telephony Modules to add telephony interfaces. S100 allows 2 Expansion Boards and S300 supports 3.
Specific References
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