asterisk users - May 2008 - Problems passing variables from a macro

Good day,

I'm using a dial string as follows:
Dial(SIP/${phonenumber},30,grM(screen^${pin})L(${300000}[:60000]));
When I set a variable in the macro screen, it doesn't get passed back to the
extension from where the dial was called. I can always put the result in the
MySQL database, but that feels a bit overkill... the macro looks as follows:


macro screen (arg1) {

  Wait(0.2);
  Read(acceptcall|sounds/pin|7);
  if(${acceptcall} = ${arg1}) {
    NoOp(connect them);
    wrongpin=0;
  } else {
    Set(MACRO_RESULT=CONTINUE);
    wrongpin=1;
  }
  NoOp(MACRO_RESULT = ${MACRO_RESULT});

}

This is the output from the CLI, and I can see that the wrongpin is set to
1, but when I do a NoOp right after leaving the macro, it says its empty...

    -- Executing [s at connect:36] Dial("SIP/1003-b7619b78",
"SIP/1203|30|grM(screen^1234)L(300000[:60000])") in new stack
    -- Limit Data for this call:
       > timelimit      = 300000
       > play_warning   = 60000
       > play_to_caller = yes
       > play_to_callee = yes
       > warning_freq   = 0
       > start_sound    = (null)
       > warning_sound  = beep
       > end_sound      = beep
    -- Called 1203
    -- SIP/1203-08d62408 is ringing
    -- SIP/1203-08d62408 answered SIP/1003-b7619b78
    -- Executing [s at macro-screen:1] Set("SIP/1203-08d62408",
"arg1=1234") in
new stack
    -- Executing [s at macro-screen:2] Wait("SIP/1203-08d62408",
"0.2") in new
stack
    -- Executing [s at macro-screen:3] Read("SIP/1203-08d62408",
"acceptcall|sounds/pin|7") in new stack
    -- Accepting a maximum of 7 digits.
    -- <SIP/1203-08d62408> Playing 'sounds/pin' (language
'en')
    -- User entered '1'
    -- Executing [s at macro-screen:4] GotoIf("SIP/1203-08d62408",
"0?5:8") in
new stack
    -- Goto (macro-screen,s,8)
    -- Executing [s at macro-screen:8] Set("SIP/1203-08d62408",
"MACRO_RESULT=CONTINUE") in new stack
    -- Executing [s at macro-screen:9] Set("SIP/1203-08d62408",
"wrongpin=1")
in new stack
    -- Executing [s at macro-screen:10] NoOp("SIP/1203-08d62408",
"Finish
if-screen-32753") in new stack
    -- Executing [s at macro-screen:11] NoOp("SIP/1203-08d62408",
"MACRO_RESULT
= CONTINUE") in new stack
    -- Executing [s at connect:37] NoOp("SIP/1003-b7619b78",
"DIALSTATUS:ANSWER") in new stack
    -- Executing [s at connect:38] NoOp("SIP/1003-b7619b78",
"wrongpin=") in
new stack

Is there a good way to pass this variable back to the context
"connect"?

Thanks,
Best regards,
Tobias
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I haven't used ael but in extension.conf whenever we set a channel variable
we use a SET command just like you used it to set the variable MACRO_RESULT.
try using the set command, if still it does not work then try to initialize
the wrongpin=0 before the dial command, or outside the macro.

On Fri, May 16, 2008 at 12:36 PM, Tobias Ahlander <plyschen at gmail.com>
wrote:
> Good day,
>
> I'm using a dial string as follows:
> Dial(SIP/${phonenumber},30,grM(screen^${pin})L(${300000}[:60000]));
> When I set a variable in the macro screen, it doesn't get passed back
to
> the extension from where the dial was called. I can always put the result
in
> the MySQL database, but that feels a bit overkill... the macro looks as
> follows:
>
> macro screen (arg1) {
>
>   Wait(0.2);
>   Read(acceptcall|sounds/pin|7);
>   if(${acceptcall} = ${arg1}) {
>     NoOp(connect them);
>     wrongpin=0;
>   } else {
>     Set(MACRO_RESULT=CONTINUE);
>     wrongpin=1;
>   }
>   NoOp(MACRO_RESULT = ${MACRO_RESULT});
>
> }
>
> This is the output from the CLI, and I can see that the wrongpin is set to
> 1, but when I do a NoOp right after leaving the macro, it says its empty...
>
>     -- Executing [s at connect:36] Dial("SIP/1003-b7619b78",
> "SIP/1203|30|grM(screen^1234)L(300000[:60000])") in new stack
>     -- Limit Data for this call:
>        > timelimit      = 300000
>        > play_warning   = 60000
>        > play_to_caller = yes
>        > play_to_callee = yes
>        > warning_freq   = 0
>        > start_sound    = (null)
>        > warning_sound  = beep
>        > end_sound      = beep
>     -- Called 1203
>     -- SIP/1203-08d62408 is ringing
>     -- SIP/1203-08d62408 answered SIP/1003-b7619b78
>     -- Executing [s at macro-screen:1] Set("SIP/1203-08d62408",
"arg1=1234")
> in new stack
>     -- Executing [s at macro-screen:2] Wait("SIP/1203-08d62408",
"0.2") in
> new stack
>     -- Executing [s at macro-screen:3] Read("SIP/1203-08d62408",
> "acceptcall|sounds/pin|7") in new stack
>     -- Accepting a maximum of 7 digits.
>     -- <SIP/1203-08d62408> Playing 'sounds/pin' (language
'en')
>     -- User entered '1'
>     -- Executing [s at macro-screen:4]
GotoIf("SIP/1203-08d62408", "0?5:8")
> in new stack
>     -- Goto (macro-screen,s,8)
>     -- Executing [s at macro-screen:8] Set("SIP/1203-08d62408",
> "MACRO_RESULT=CONTINUE") in new stack
>     -- Executing [s at macro-screen:9] Set("SIP/1203-08d62408",
"wrongpin=1")
> in new stack
>     -- Executing [s at macro-screen:10] NoOp("SIP/1203-08d62408",
"Finish
> if-screen-32753") in new stack
>     -- Executing [s at macro-screen:11] NoOp("SIP/1203-08d62408",
> "MACRO_RESULT = CONTINUE") in new stack
>     -- Executing [s at connect:37] NoOp("SIP/1003-b7619b78",
> "DIALSTATUS:ANSWER") in new stack
>     -- Executing [s at connect:38] NoOp("SIP/1003-b7619b78",
"wrongpin=") in
> new stack
>
> Is there a good way to pass this variable back to the context
"connect"?
>
> Thanks,
> Best regards,
> Tobias
>
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-- 
Best Regards
Rizwan Hisham
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The macros is executed in the OUTBOUND call leg, which is different  
from the INBOUND that executes the rest of the dialplan. So variables  
you set in that call leg, stays in that channel (They're called  
"channel variables" since they have the channel as the scope).

/O

I pass a value from a macro by storing the value needed to the $ 
{MACRO_RESULT} variable. This is returned and because of this  
available after finishing the macro. I'm not sure that it works in the  
way you are looking for but it works for me.

Erik de Wild
Tripple-o