BT's SDK takes the complexity out of VoIP application development.

BT Group and Yahoo have teamed up to create a service in the United Kingdom that will provide voice over Internet Protocol calling from an instant-messaging client to any telephone in the world.

BT has slashed its VoIP pricing to undercut number one Internet telephony provider Skype. The offer, which will only last until the end of this year, will see rates to a number of international ...