3. VoIP routing scheme

4. VoIP Technologies

5. VoIP implementation

6. Power of VoIP

7. VoIP Providers

8. Benefits of VoIP

9. Challenges

11. Internet telephone call are conversion of the analog voice signal to digital format and compression/translation of the signal into Internet protocol packets.

12. VoIP systems employ session control protocols to control the set-up and tear-down of calls as well as audio codecs.

15. IMS

16. SIP

22. We need the software, hardware and an Internet connection, preferably a fast one that would get through a cable or DSL modem.

24. compatible with web-based applications

28. Susceptibility to power failure

29. Emergency calls

30. Lack of redundancy

32. No way to integrate these products with VoIP.

33. No way to associate a geographical location with an IP address.

34. It’s susceptible to all the hiccups normally associated with home broadband services.

35. Phone conversations can become distorted, garbled or lost because of transmission errors.

36. VoIP is susceptible to worms,viruses and hacking.

38. By taking advantages of VoIP specific characteristics, our approach can detect quality problems network failures faster and with less overhead than existing approaches.

39. VoIP has become a popular method of hiring with outsourcing.