BT Conferencing provides efficient audio, web, and video conferencing services to reduce costs and carbon emissions while improving productivity and collaboration. Conferencing allows meetings to be held without physical travel, saving money on transportation while maintaining interactivity. Customers report significant savings on travel costs and time through using BT's conferencing tools, which range from audio-only calls to full video conferences. The costs for audio and web conferencing start at around 6 pence and 11 pence per minute per participant respectively, while video conferencing costs vary depending on needs but provide face-to-face interaction without travel.