system.conf

[root@srvpbx01 asterisk]# cat /etc/dahdi/system.conf
# Autogenerated by /usr/sbin/dahdi_genconf on Fri Dec 15 14:58:55 2017
# If you edit this file and execute /usr/sbin/dahdi_genconf again,
# your manual changes will be LOST.
# Dahdi Configuration File
#
# This file is parsed by the Dahdi Configurator, dahdi_cfg
#
# Span 1: WCFXO/0 "Wildcard X100P Board 1" (MASTER)
fxsks=1
echocanceller=oslec,1

# Global data

loadzone	= br
defaultzone	= br
[root@srvpbx01 asterisk]#