Patent ID: 8750470

Claim:
A call management system, comprising: a first computer telephony device coupled to a first telephone device; a second computer telephony device coupled to a second telephone device; an audio bus device coupled to the first and second computer telephony devices to provide a patching framework; a first audio buffer coupled to the second computer telephony device to receive audio data generated by a conferee at the second telephone device; a first announcement generator configured to generate a first announcement; and a first mixer coupled to the first announcement generator, the first audio buffer, and the first computer telephony device, the first mixer being configured to mix the first announcement and the audio data generated at the second telephone device to obtain a first mixed audio stream, and providing the first nixed audio stream to the first telephone device via the first computer telephony device; wherein the second computer telephony device, the audio bus device, the first audio buffer, the first announcement generator, and the first mixer are configured so that the first announcement is not provided to the second telephone device.