Cisco WebEx Audio provides Public Switched Telephone Network (PSTN) dial - in and call-me services to attendees in Cisco WebEx meetings, events, trainings, and teams. The audio options available with Cisco WebEx products promote efficient discussions among participants by providing a fully integrated experience. As a cloud-based PSTN audio option, Cisco WebEx Audio provides a broad coverage footprint with toll dial-in, toll-free dial-in, and call-me capabilities for local and global connections. It operates on a wide variety of devices, including cell phones, IP phones, and softphones, and supports the ability to enable telephony attendees as well as attendees and devices that use Voice over IP (VoIP) to all collaborate in the same session.