[asterisk-users] how many UDP ports is required for 1 call

[Kevin P. Fleming]

On 02/22/2012 06:41 AM, Zohair Raza wrote:
> Hi Kevin,
>
> http://www.freepbx.org/support/documentation/howtos/howto-setup-a-remote-sip-extension
>
>
> this says 4 active ports for one call

It certainly does. Whether it is accurate or not depends on the 
definition of 'call', as has already been pointed out in this thread.

I could also, definitively and accurately, state that the number of UDP 
ports required for a 'call' is 5 (five).

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
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