# Enable polling in main loop.
# This feature is temporarily for test purpose. Don't enable it
#polling
+
+# Two Loopback interfaces for audio transfer between GSM/Asterisk and mISDN.
+# The first interface must provide B-channels for each GSM call or channel
+# instance, the seond interface links them to LCR.
+# Use 30 B-channels unless you need more due to more instances.
+# -> Load with: "modprobe mISDN_l1loop pri=1 nchannel=30"
+# By default "mISDN_l1loop.1" and "mISDN_l1loop.2" is used.
+#loopback-ext mISDN_l1loop.1
+#loopback-lcr mISDN_l1loop.2
+