[asterisk-bugs] [JIRA] (ASTERISK-28971) UserEvent with some characters causes Asterisk to reject call with 603 Declined response

[Volodya Ivanets (JIRA)]

Volodya Ivanets created ASTERISK-28971:
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             Summary: UserEvent with some characters causes Asterisk to reject call with 603 Declined response
                 Key: ASTERISK-28971
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28971
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_userevent
    Affects Versions: 13.32.0
         Environment: CentOS virtual machine running on VMware ESXi
            Reporter: Volodya Ivanets
            Severity: Minor


Every time when a string with a "special" character is passed to dialplan application UserEvent, Asterisk stops dialplan execution and rejects the call with a 603 Declined response.

Below is a simple context that I used for testing.
```[macro-test]
exten => s,1,Noop(${CALLERID(name)})
exten => s,n,UserEvent(test,callerid_name: ${CALLERID(name)})
exten => s,n,Answer
exten => s,n,Wait(5)
exten => s,n,Hangup```

If CallerID name contains the "á" character call will be dropped. "300 á" in the example below:
```    -- Executing [s at macro-test:1] NoOp("SIP/300-0000000a", "300 ▒ 300") in new stack
    -- Executing [s at macro-test:2] UserEvent("SIP/300-0000000a", "test,callerid_name: 300 ▒") in new stack
  == Spawn extension (macro-test, s, 2) exited non-zero on 'SIP/300-0000000a' in macro 'test'```




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