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-rwxr-xr-xzaptel.conf.sample8
1 files changed, 8 insertions, 0 deletions
diff --git a/zaptel.conf.sample b/zaptel.conf.sample
index bcc4aef..deb76b3 100755
--- a/zaptel.conf.sample
+++ b/zaptel.conf.sample
@@ -61,6 +61,14 @@
# "fxols" : Channel(s) are signalled using FXO Loopstart protocol.
# "fxogs" : Channel(s) are signalled using FXO Groundstart protocol.
# "fxoks" : Channel(s) are signalled using FXO Koolstart protocol.
+# "sf" : Channel(s) are signalled using in-band single freq tone.
+# Syntax as follows:
+# channel# => sf:<rxfreq>,<rxbw>,<rxflag>,<txfreq>,<txlevel>,<txflag>
+# rxfreq is rx tone freq in hz, rxbw is rx notch (and decode)
+# bandwith in hz (typically 10.0), rxflag is either 'normal' or
+# 'inverted', txfreq is tx tone freq in hz, txlevel is tx tone
+# level in dbm, txflag is either 'normal' or 'inverted'. Set
+# rxfreq or txfreq to 0.0 if that tone is not desired.
# "unused" : No signalling is performed, each channel in the list remains idle
# "clear" : Channel(s) are bundled into a single span. No conversion or
# signalling is performed, and raw data is available on the master.