All the telephony interfaces are modular and customizable, whether it’s FXS, FXO, ISDN BRI/PRI, or GSM/3G/4G.
S100, S300, P560, P570 require the combination of the Expansion Board and Telephony Modules to add interfaces.
Add 2 analog telephones.
Connect 2 analog PSTN (POTS) lines.
Unique PSTN Fallback Function
2 x NT/TE BRI Ports
1 Channel for GSM Voice Calls Frequency: 850/900/1800/1900 MHz (quad-band)
Insert 4G module on Slot_1 of S20&S50 and Slot_1 of EXP 1 of S100&S300.
EX08 has 4 onboard module slots and 8 interfaces on the panel.
Supported Model: S100, S300, P560, P570
EX30 has 1 onboard E1/T1/PRI port.
Supported Model: S100, S300, P560, P570