Several of the world’s largest mobile phone operators have agreed to offer instant messaging across their networks as part of an initiative to make IM service globally available and interoperable.

But where is Microsoft in this interoperability love-in? Some of the world's biggest mobile operators have buddied-up to announce they'll be joining forces to make IM interoperable amongst their ...

Some of the world's biggest mobile operators have announced they'll be joining forces to make instant messaging interoperable among their collective customers. China Mobile, Orange, T-Mobile and ...

Some of the world's biggest mobile operators have announced they'll be joining forces to make instant messaging interoperable among their collective customers. China Mobile, Orange, T-Mobile and ...