O2 has been forced to delay integrating its ISP business into a bundle package again, this time until at least September.

The mobile operator said it was still not ready to roll out a converged bundle. It missed its last launch date for broadband in January, saying June would be the target.

O2 has always been cautious about its broadband entry, having witnessed the endless list of technical cockups by Orange, Carphone Warehouse and others. O2 chief executive Peter Erskine said: "The one thing I will not do is launch something that isn't ready. We have learned from the mistakes of some of our rivals."

On the flipside, Sky's broadband launch has been a huge success, rapidly winning market share with few grumbles. ®

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