[Asterisk-Users] Sip flow diagram?

[Jorge Mendoza]

Try:

http://callflow.sourceforge.net/

Jorge

Rich Adamson wrote:
> Does anyone have a high level flow diagram showing acceptable sip
> messages exchanges?
> 
> For exampe:
>   Source         Dest
>   Invite   ->    
>            <-    Trying
>   Ok       ->
> 
> I'm specifically trying to debug an issue with various hangups, prior
> to call completion, after call completion, "calling" vs "called" party
> hold, etc, and getting rather confused watching the various packets
> flowing between sip devices with a sniffer (and no reference document).
> 
> Rich
>