
IP PBXs USER MANUAL
www.fs.com
58
9.5.2
T1 PRI Signaling
To configure E1 telephony module to work in T1 mode, please choose
T1
in the
Mode
dropdown list. And then configure T1 related
parameters given by the telephony provider.
T1 runs on same signaling types as E1 mode. And T1 uses different Framing and Coding methods, configure these parameters according
to the details provided by the telephony provider. In most cases CRC4 is not needed for T1 circuit, enable it only when the provider
requires it.
After configurations been done, save and reboot the IPPBX system. In the meantime you attach the T1 line to the T1 interface. After
rebooting you should get LED indication with L1 red, L2 red, L3 off, L4 green to indication PRI CPE signaling. For more details of the LED
indications please check PBX-C302 and PBX-C503 chapter in the LED Indication section.
9.5.3
MFC/R2 Signaling
In the E1 settings section and Signaling field by selecting R2 you are able to configure E1 R2 signaling.