Data over signalling was designed as a solution to the problem of transceiving simultaneous voice and data.

I suppose it would give me simultaneous voice and data, but honestly, that's never really been a hindrance.

The Continuum is capable of polyphonic performance, with up to 16 simultaneous voices.

Each card could produce four simultaneous voices, and multiple cards could be used in an S-100 system.

The digital line card supports voice only or simultaneous voice and data service over a single twisted pair of standard telephone wiring.

Trust me, if you're on EDGE you'll give up simultaneous voice and data for 3g service.

With digital simultaneous voice and data, they can talk at the same time instead of working blind.

In literature the idea is expressed by the polyphony of simultaneous voices which say different things.

I am one of those very few people who care about simultaneous voice and data.

You can bet that the rumored iPhone on Verizon will have simultaneous voice and data.