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Example SIP call flows:

Re: ports vs. channels - terminology confusion
by heby Sat 29 of Nov, 2008
Thanks for the explanation!
Re: ports vs. channels - terminology confusion
by admin Sat 29 of Nov, 2008
Usually ports are the equivalent of simultaneous connnections.
DIDs aren't usually tied to a specific port.
Whether outgoing calls take up a port depends on the provider.
Re: Disassemble a Cisco handset / receiver (7900 series)
by lalocordova Fri 28 of Nov, 2008
Hi snowy...

Did you find the way, I want to do it too only to check why it's so noisy, I've tested different cables but cables are not the guilty ones...

SIP call flows