[asterisk-users] Meaning of " requested special control 20, passing it to SIP"

[D Tucny]

2009/8/15 John Novack <jnovack at stromberg-carlson.org>

> Received this on the console
> -- IAX2/76.21.238.129:4569-4986 requested special control 20, passing it
> to SIP/magicjack-08225a58
>
>
> Did a Google search, but reached a dead end
> Can anyone explain?
> Something need to be changed in my configuration?
> The call completed satisfactorily.
>
> Inbound IAX trunk - outbound to SIP provider magicjack ( no dongle )
>
> Asterisk 1.4.26
>

Special control 20 is defined as AST_CONTROL_SRCUPDATE = 20,     /*!<
Indicate source of media has changed */

When two channels are bridged they'll both be sent this control to indicate
that audio is now being sent from the other channel...

d
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