[asterisk-bugs] [JIRA] (ASTERISK-22417) RTP ports left open after using click to dial application

[Patrick Beaumont (JIRA)]

Patrick Beaumont created ASTERISK-22417:
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             Summary: RTP ports left open after using click to dial application
                 Key: ASTERISK-22417
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22417
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 11.4.0
         Environment: Linux 3.2.0-40-virtual #64-Ubuntu SMP i686 i686 i386 GNU/Linux, Ubuntu 12.04
            Reporter: Patrick Beaumont


Ports in use at the start
root at CN1:~# netstat -tunap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:5038            0.0.0.0:*               LISTEN      428/asterisk    
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      313/lighttpd    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      129/sshd        
tcp        0      0 10.0.3.101:22           10.0.3.1:60572          ESTABLISHED 339/sshd: steve [pr
tcp6       0      0 :::22                   :::*                    LISTEN      129/sshd        
udp        0      0 0.0.0.0:30000           0.0.0.0:*                           428/asterisk    
udp        0      0 10.0.3.101:30001        0.0.0.0:*                           428/asterisk

First I initiate a call using dialer.exe through the application Siptapi.
My desk phone rings.
I pick it up.
My mobile phone then rings (the destination I set in dialer.exe).
I answer on my mobile phone.
I place the call on hold using my desk phone.
I initiate another call to my mobile using dialer.exe through the application Siptapi.
My desk phone indicates I have a call waiting.
I hang up the call I have on hold and my desk phone starts ringing.
I pick up my desk phone and my mobile phone starts ringing.
I answer the call on my mobile.
I hang up the call on my mobile.
I hang up my desk phone.

Ports in use at the end:
root at CN1:~# netstat -tunap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:5038            0.0.0.0:*               LISTEN      428/asterisk    
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      313/lighttpd    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      129/sshd        
tcp        0      0 10.0.3.101:22           10.0.3.1:60572          ESTABLISHED 339/sshd: steve [pr
tcp6       0      0 :::22                   :::*                    LISTEN      129/sshd        
udp        0      0 0.0.0.0:30000           0.0.0.0:*                           428/asterisk    
udp        0      0 10.0.3.101:30001        0.0.0.0:*                           428/asterisk    
udp        0      0 10.0.3.101:30034        0.0.0.0:*                           428/asterisk    
udp        0      0 10.0.3.101:30035        0.0.0.0:*                           428/asterisk  

This is very repeatable and if performed enough times Asterisk will complain about no longing being able to allocate RTP ports and will start rejecting calls.
Performing a core restart appears to be the only way to release the ports.

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