[asterisk-users] Need some help/Suggestions for multiple invites from Asterisk

[Olle E. Johansson]

5 sep 2009 kl. 04.58 skrev Jai Rangi:

> Hello,
>
> I have a issue between asterisk and windows based VoIP system  
> (Client).
>
> Vendor SIP Server --> My asterisk --> Client
> Here is ethereal trace between asterisk and client.
>
> 1   0.000000 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23 
> , with session description
>   2   0.042380 192.168.4.23 -> 192.168.3.222 SIP Status: 100 Trying
>   3   0.044235 192.168.4.23 -> 192.168.3.222 SIP Status: 183 Session  
> Progress
>   4   0.046546 192.168.4.23 -> 192.168.3.222 SIP/SDP Status: 200 OK,  
> with session description
>   5   0.046752 192.168.3.222 -> 192.168.4.23 SIP Request: ACK sip:1978525648 at 192.168.4.23:5060
> So far so good, call is established and audio conversations starts.
>
> But next my asterisk is sending Invite again and again and again,
>
>   6   0.047036 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>   7   0.266230 192.168.3.222 -> 192.168.4.23 RTP Payload type=ITU-T  
> G.729, SSRC=905761218, Seq=56540, Time=0
>   8   1.046087 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>   9   2.046091 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>  10   4.046102 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>
> I disconnected the call,  Receive BYe from Vendor, Asterisk  
> acknowledge Bye and  does  not send Bye to the client. Few more  
> invites from Asterisk to the client machine.
>
>  11   8.046123 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>  12  16.046179 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>
> After a 30 second wait, asterisk receive Bye from Client.
>
>  13  24.253811 192.168.4.23 -> 192.168.3.222 SIP Request: BYE sip:6056929587 at 192.168.3.222
>  14  24.253975 192.168.3.222 -> 192.168.4.23 SIP Status: 200 OK
>  15  32.046319 192.168.3.222 -> 192.168.4.23 SIP/SDP Request: INVITE sip:1978525648 at 192.168.4.23:5060 
> , with session description
>  16  32.085897 192.168.4.23 -> 192.168.3.222 SIP Status: 100 Trying
>  17  32.090654 192.168.4.23 -> 192.168.3.222 SIP Status: 183 Session  
> Progress
>  18  32.092666 192.168.4.23 -> 192.168.3.222 SIP/SDP Status: 200 OK,  
> with session description
>  19  32.593335 192.168.4.23 -> 192.168.3.222 SIP/SDP Status: 200 OK,  
> with session description
>  20  33.607552 192.168.4.23 -> 192.168.3.222 SIP/SDP Status: 200 OK,  
> with session description
>
> I am using canreinvite=yes, (Must use that to avoid media going  
> through my asterisk server.
> I dont have any issue if asterisk send call to another asterisk box.
>
> Can some one please shed some light why asterisk is sending multiple  
> invites.

There's no response from the client phone.
No 100 trying, no 180 ringing or 200 OK.
We have to retransmit a few times and then just give up.

Your client needs to wake up and start responding.

Since the client was not responding, there never was a call to the  
client and no need to send a BYE.

/O


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