언급된 주요 주요 선수:
Cisco WebEx, Polycom, Infinite Conferencing, Conference Calling, InterCall, RingCentral, Arkadin, Budget Conferencing, Zip Conferencing, AT Conference.
언급된 주요 주요 선수:
Cisco WebEx, Polycom, Infinite Conferencing, Conference Calling, InterCall, RingCentral, Arkadin, Budget Conferencing, Zip Conferencing, AT Conference.