TY - BOOK ID - 137834099 TI - VoIP : es un teléfono, es una computadora, es ... PY - 2005 PB - [Washington, D.C.] : Federal Trade Commission, Bureau of Consumer Protection, Office of Consumer and Business Education, DB - UniCat KW - Internet telephony. KW - Internetworking (Telecommunication) UR - https://www.unicat.be/uniCat?func=search&query=sysid:137834099 AB - ER -