[asterisk-bugs] [JIRA] (ASTERISK-25846) Gracefully deal with Absent Stasis Apps

[Andrew Nagy (JIRA)]

Andrew Nagy created ASTERISK-25846:
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             Summary: Gracefully deal with Absent Stasis Apps
                 Key: ASTERISK-25846
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25846
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
    Affects Versions: 13.7.2
            Reporter: Andrew Nagy


I was just reviewing
https://wiki.asterisk.org/wiki/display/AST/Asterisk+13+Application_Stasis.
I noticed there is a handy variable named ${STASISSTATUS} returned when
Stasis is finished (OR fails). However if I never register my stasis
application and dial into the context where stasis is at once Asterisk
hits stasis and realizes it can¹t talk to said app Asterisk just hangs up
on the channel.

Quick Dialplan:
{code}
[ari-trunk]
exten => 45,1,Noop(Attempting to join test ari)
exten => 45,n,Macro(user-callerid,)
exten => 45,n,Stasis(test,45)
exten => 45,n,GotoIf($[${STASISSTATUS} = "FAILED"]?from-did-direct,1000,1)
exten => 45,n,GotoIf($[${STASISSTATUS} = "SUCCESS"]?app-blackhole,busy,1)
exten => 45,n,Answer
exten => 45,hint,Stasis:45
{code}

CLI:
{code}
    -- Executing [45 at from-internal:3] Stasis("PJSIP/1003-00000001",test,45") in new stack
  == Spawn extension (from-internal, 45, 3) exited non-zero on
"PJSIP/1003-00000001"
    -- Executing [h at from-internal:1] Macro("PJSIP/1003-00000001",
"hangupcall") in new stack
{code}

I propose to to more gracefully handle this and just return to the
dialplan so the creator can do something appropriate instead of just
having Asterisk hang up the channel



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