Add Digium phones context to sip_notify sample config.

This makes it so that they can be reconfigured remotely.

(closes issue ASTERISK-19910)
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Merged revisions 369818 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 369819 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369820 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/sip_notify.conf.sample

@@ -17,6 +17,11 @@ Event=>check-sync
 [aastra-xml]
 Event=>aastra-xml
 
+; Digium
+
+[digium-check-cfg]
+Event=>check-sync
+
 ; Linksys
 
 [linksys-cold-restart]