Per Steve’s request, here’s what I have in the extensions_custom.conf file in Asterisk:

[macro-dialout-callmanager]

exten => s,1,ChanIsAvail(SIP/callman01)
exten => s,2,Cut(AVAILCHAN=AVAILCHAN,,1)
exten => s,3,Dial(${AVAILCHAN}/${ARG1})
exten => s,4,Hangup

exten => s,102,Congestion

[outbound-cm]

exten => _20XX,1,Macro(dialout-callmanager,${EXTEN})
exten => i,1,Congestion

[from-broadvoice]
exten => 2100,1,Macro(dialout-callmanager,${EXTEN})

And for the sip.conf:


[callman01]
type=friend
context=from-internal
host=192.168.169.10
disallow=all
allow=ulaw
allow=alaw
nat=no
canreinvite=yes
qualify=yes

I set it to “from-internal” so that calls from the CM would be treated just like a softphone attached to Asterisk. I didn’t want to have any “outside” to “outside” hairpinning restrictions causing a problem.

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