This is an expected behavior. TCP will reuse persistent connections.
On 05/07/2012 05:55 PM, Jan Fricke wrote:
Hi,
I since a few days there is a problem with an openUC 4.4 system.
Suddenly no outgoing calls through the ISDN gateway (patton sn4960)
are possible until the proxy service or gateway is restarted.
I've captured sip traffic on the openUC and it shows that there were
incoming calls (isdn to voip). The gateway selects the TCP
source-port for the Invites dynamically. In this case it's 16086.
openUC sends answers to the Invite to this port. But I'd expect that
outbound Invites (call from voip to isdn) will use the port that is
configured in openUC (unmanaged gateway TCP port 5060). Instead it
sends also Invites for new calls to 16086. The gateway only allows
messages for the original call on this dynamic port and answers 481.
Is this something known? Any suggestion how to solve this?
_____________________________
Jan Fricke (B.Sc.)
*IANT -
APPLIED NGN-TECHNOLOGIES
**Turn-Key VoIP/UC Solutions and More...
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