Gabriel Ambuehl wrote:
On Thursday 18 January 2007 09:54, Renaissance Man wrote:
Seamless swapping needs the carriers' help. And they won't do it
for free, rest assured.
Already being done. See http://truphone.com
Doesn't really say how it works. "An all SIP solution" doesnt really sound
like it could ever be seamless with GSM. I'd really like to know just how
this supposed to work, because if they pulled this off, it would be really
huge.
Perhaps if were drop the assumption that it would try to go from
IP-based SIP call to GSM voice call. What if the phone were simply
smart enough to go from wifi to GPRS - then it's more a matter of having
the endpoints able to withstand an IP address change mid-call.
Something like that could go BT->wifi->GPRS and back without missing a
beat - assuming that each step of the way involved a working IP address
and the software were smart enough..
-P
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