Presented by-Aishwarya Wankhade(16314)Mubassir ambekar(16021)Pushkaraj Tambat(16022)

IP TELEPHONY

What is IP telephony?• Internet telephony uses the Internet protocol to send audio,

video an data between two or more users in the real time. • IP telephony is the integration and convergence of voice and

data networks, services, and applications

Different Types Of IP Telephony:

Communication using IP telephony is possible using four ways. • Computer to Computer• Computer to Telephone• Telephone to Computer• Telephone to Telephone

IP Telephony Infrastructure:

Different type of IP telephony Standard:• H.323 standard

• Session initiation protocol (SIP)

• Media gateway to media controller protocol (MGCP)

APPLICATIONS:• Advanced Intelligent Network Features• Voice Calls from Mobile Laptop PCs• Airlines Reservations• Internet-aware Telephones• Voice Annotated documents

Advantages of IP-telephony : IP-telephony has many advantages over the circuit-switched

telephone network.• Cost• Functionality and Mobility• Eliminate phone wiring.

Disadvantages of IP-telephony:

• Power outage• Reliability• Security

Conclusion• Internet telephony is cost savings and integrating new services. • Internet Telephony is a powerful and economical communication

options by combination of the telephone networks and data networks.• Many public telecommunication operators are establishing their own

IP telephony services, and using IP-based networks as alternative transmission platforms.