[asterisk-bugs] [JIRA] (ASTERISK-28693) SIP MESSAGE beginning with a whitespace appears empty in the dialplan

[Frank Matano (JIRA)]

Frank Matano created ASTERISK-28693:
---------------------------------------

             Summary: SIP MESSAGE beginning with a whitespace appears empty in the dialplan
                 Key: ASTERISK-28693
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28693
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/Messaging
    Affects Versions: 16.2.1
         Environment: Linux debian 4.19.0-6-686-pae #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) i686 GNU/Linux

            Reporter: Frank Matano
            Severity: Minor


User agent Baresip v0.6.5 is sending a valid MESSAGE:
{noformat}
MESSAGE sip:mist at eee SIP/2.0
Via: SIP/2.0/UDP 192.168.4.18:5566;branch=z9hG4bK0d16bdb32c8c518a;rport
Max-Forwards: 70
To: <sip:mist at eee>
From: <sip:eee at eee>;tag=bdafebcf5b867c48
Call-ID: 689603aa8194865a
CSeq: 13255 MESSAGE
User-Agent: baresip v0.6.5 (?/?)
Accept: text/plain
Content-Type: text/plain
Content-Length: 3
 ii
 {noformat}

(the " ii" message begins with a whitespace)

Asterisk sip.conf:
{noformat}
[general]
context=incoming
accept_outofcall_message=yes
outofcall_message_context=iimm
{noformat}

Dialplan:
{noformat}
[iimm]
exten => _[a-z].,1,NoOp('${MESSAGE(body)}')
exten => _[a-z].,n,Hangup()
{noformat}
Result:
{noformat}
-- Executing [mist at iimm:1] NoOp("Message/ast_msg_queue", "''") in new stack
{noformat}

Sending the same message " ii" to another Baresip client without Asterisk as a proxy works fine.



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