2009/1/29 Theo Zourzouvillys <[email protected]>:
>> Why would I want the
>> reliability of my inbound calls to be controlled by my system having to
>> 'poll' (that's effectively what a registration is) rather than the
>> provider just knowing where to send it?
>
> NAT

- Mobility.
- Dynamic public IP.

-- 
Iñaki Baz Castillo
<[email protected]>

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