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  • mtnview
  • Member Since Aug 2nd, 2006
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New WI-FI router is no special than regular WI-FI AP except it has capability of UMA client.
So with this AP, whoever has hotspot@home plan will be able to make a call just like before.
On top of that, the new AP will have two sim card slots and two pot slots for regualr phones.
You may think of linksys vonage AP. However the new AP will replace VoIP part with UMA.
this is another type of UMA service.
Product in between of WI-FI UMA phone and Femtocell.
Not a VoIP.
#22 UMA allows it, however it is more depends on
how operators deploy policies on roaming.

Even there is no GSM existing but WI-FI, the UMA allows user to connect to GSM network.
#19 The level of stress to TMo's network would be same.
UMA is replacing physical layer to the GSM core network. Once the VoIP Packet arrives at MSC(UNC),
the rest of operation will be exactly same as current 2G network.
The best advantage is they don't need to invest more money to build tower anymore.
Without Handover between networks, that is not true FMC solutions at all.

For the UMA services, you need software runs on cell phone and network as well.

I found a link www.umatechnology.org, you may have more information. www.kineto.com is a company behinds the technology.
Let the hive mind of Engadget get that for you.
"I just switched to Sprint from Verizon about three months ago for the Pre. Then I went for the Hero about a week ago. Now, I miss my hardware keyboard and am thinking about switching to the Moment. I am still able to switch back to Verizon if I want and get the Droid when it arrives. Should I just trade up to the Moment when it comes out, see if I like it, and if not switch to the Droid? Or something else entirely? Help!"

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