BT's partnership with Starbucks Coffee Company to provide Wi-Fi access is continuing to rollout.

The deal allows 4.6 million BT broadband customers including those with inclusive BT FON Wi-Fi minutes, plus BT Openzone users to email, surf the Internet or make VoIP calls at Starbucks.

O2 iPhone users can also access the service free of charge, while customers from iPass, Boingo and other BT Openzone roaming partners will also be able to use the facility.

To eventually be made available at the 650+ Starbucks coffeehouses in the UK and Ireland, The first stores had the service installed at the end of April and is due for completion by the end of the summer.

An existing BT Openzone roaming agreement with AT&T also allows users access at more than 7,000 Starbucks stores in the USA.