Iria

As easy as it is to connect these days by Internet, cellular, Wi-Fi and plain old telephones, the networks that make all that possible can't communicate well with one another.

Technological standards vary from network to network. The traditional phone system and the Internet use completely different protocols. Even a single mobile provider's voice calls and data services are largely separate and incompatible.

Now there's momentum building for a new standard that could enable network operators to bridge these gaps, opening the way for melded services such as simultaneous walkie-talkie and video exchanges between a cell phone and a landline.

If only it were that simple.
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Read More / Source: Yahoo! News