...so UMA can work over any generic broadband IP connection..... DSL, cable, apparently WiMAX....
...so could you run multiple UMA connections over a good-enough mobile broadband connection? Especially HSUPA which has sufficient upstream bandwidth.
There must be some usage cases for, say, 4x GSM connections being multiplexed over a single (portable) HSPA pipe. Answers on a postcard, please.
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