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Bug #2650

how can osmo-mgw send a dummy RTP packet before CRCX ACK?

Added by laforge 10 months ago. Updated 8 months ago.

Status:
New
Priority:
Normal
Assignee:
Category:
-
Target version:
-
Start date:
11/17/2017
Due date:
% Done:

0%

Estimated time:

Description

in CRCX processing of handle_create_con(), we send a dummy packet even before we have responded with the CRCX response. This seems rather odd, as we normally don't yet know the rermote IP/Port, as they might just be passed by the MDCX.

The transmission of dummy packet(s) would only make sense once we have verified that both local and remote ip/port are known to both sides. Am I missing something?

History

#1 Updated by dexter 8 months ago

in protocol.c: send_dummy() is called from handle_create_con(). This generates the early dummy packet. Its indeed odd. It would only make sense for CRCX requests that already include the remote address, otherwise we should be silent, the next chance to send the dummy packet would be the MDCX then.

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