MT2: Unit 1 INTRODUCTION – MULTIMEDIA ACCESS SYSTEMS

INTRODUCTION Internet Telephony refers to communications services—voice, fax, SMS, and/or voice-messaging applications—that are transported via the Internet, rather than the public switched telephone network (PSTN). In this unit, we shall consider deeply the concept of Internet Telephony as this will give a deeper understanding of the relationship between VoIP and the Internet Telephony. 2.0 OBJECTIVES At the end of this unit, you should be able to: Describe Internet Telephony Service Identify the steps involved in processing a VoIP call. List the advantages and Disadvantages of Internet Telephony