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

[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 <sip%3A1978525648 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 <sip%3A6056929587 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.

Best,
-Jai
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