[asterisk-users] Call from an extension

[Jerry Geis]

I can make calls over a SIP trunk as SIP/<trunk>/number

I am trying to make calls over an extension thought using the same format
SIP/4452/number - its not working.

person says they can connect a software as extension 4452 and it works just
fine.

I have my register:
register => 4452 at X.X.X.X/4452

[4452]
type=friend
username=4452
host=X.X.X.X
allow=all
dtmfmode=inband

When I try to make the call I get :
[Jan 28 08:05:57] NOTICE[44761]: pbx_spool.c:447 attempt_thread: Call
failed to go through, reason (0) Call Failure (not BUSY, and not NO_ANSWER,
maybe Circuit busy or down?)
[Jan 28 08:05:57] NOTICE[44761]: pbx_spool.c:450 attempt_thread: Queued
call to SIP/4452/7XXXXXXXXX expired without completion after 0 attempts

(where 7 is the outside line).

The exten 4452 is registered fine.
How do I make a call as an extension or what might I be missing?

Thanks,

Jerry
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