[asterisk-bugs] [JIRA] (ASTERISK-28241) Call pickup with chan_sip fails, if dialed from subroutine, but succeeds withing macro

[Hans-Peter Jansen (JIRA)]

Hans-Peter Jansen created ASTERISK-28241:
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             Summary: Call pickup with chan_sip fails, if dialed from subroutine, but succeeds withing macro
                 Key: ASTERISK-28241
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28241
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_directed_pickup, Channels/chan_sip/Subscriptions
    Affects Versions: 16.1.1, 16.1.0
            Reporter: Hans-Peter Jansen
            Severity: Minor


if the extension is dialed from a subroutine, call pickup fails. It succeeds, if extension is dialed from a macro.

Details:

Since Asterisk 16, macros are deprecated. After rewriting my dialplan to 
eliminate macros, call pickups were defective, which has gone unnoticed for 
some time. Looking at my git logs (yes, I'm managing my asterisk config with 
git), the only relevant change was moving from macros to subroutines. 

Here are the relevant dialplan excerpts:

[extension]
; dial internal extension
; ${ARG1}: extension
exten = start,1,NoOp()
 same = n,Dial(${ARG1},30)
 same = n,Hangup()


[macro-extension]
; dial internal extension macro
; ${ARG1}: extensions to dial
exten = s,1,NoOp()
 same = n,Dial(${ARG1},30)
 same = n,Hangup()


[phones]
; OK:
exten = 123,1,Macro(extension,${TEL123})

[2019-01-12 16:37:12] NOTICE[5013][C-00000002]: app_directed_pickup.c:250 
pickup_by_exten: SIP/00041323bbf7-00000001 pickup by SIP/00041323463e-00000002

; FAIL:
exten = 123,1,GoSub(extension,start,1(${TEL123}))

[2019-01-12 16:37:56] NOTICE[5096][C-00000002]: app_directed_pickup.c:365 
pickup_exec: No target channel found for 123 at internal 

Any idea, what could affect this? It looks, like the subroutine Dial() call 
disrupt the channel contexts somehow. 



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