Add discriminator for when ring pulse alert signal is used to preface MWI spills

This prevents the situation when MWI messages are added to caller ID spills causing the channel to be hung up



git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.1@169154 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 14 insertions, 6 deletions

diff --git a/configs/chan_dahdi.conf.sample b/configs/chan_dahdi.conf.sample
index 72c81ffac..b07a83a79 100644
--- a/configs/chan_dahdi.conf.sample
+++ b/configs/chan_dahdi.conf.sample
@@ -353,12 +353,20 @@ usecallerid=yes
 ;hidecallerid=yes
 ;
 ; The following option enables receiving MWI on FXO lines.  The default
-; value is no.  When this is enabled, and MWI notification indicates on or off,
-; the script specified by the mwimonitornotify option is executed.  Also, an
-; internal Asterisk MWI event will be generated so that any other part of
-; Asterisk that cares about MWI state changes will get notified, just as if
-; the state change came from app_voicemail. The energy level that must be seen
-; before starting the MWI detection process can be set with 'mwilevel'.
+; value is no.
+; 	The mwimonitor can take the following values
+;		no - No mwimonitoring occurs. (default)
+; 		yes - The same as specifying fsk
+; 		fsk - the FXO line is monitored for MWI FSK spills
+;		fsk,rpas - the FXO line is monitored for MWI FSK spills preceded
+;			by a ring pulse alert signal.
+;		neon - The fxo line is monitored for the presence of NEON pulses
+;			indicating MWI.   
+; When detected, an internal Asterisk MWI event is generated so that any other
+; part of Asterisk that cares about MWI state changes is notified, just as if
+; the state change came from app_voicemail.
+; For FSK MWI Spills, the energy level that must be seen before starting the
+; MWI detection process can be set with 'mwilevel'.
 ;
 ;mwimonitor=no
 ;mwilevel=512