Presenters :Deepak Yadav
Voice Over Internet Protocol
VOIP technologies and
implementations
• IMS- IP multimedia subsystem
• SIP- Session initiation protocol
• RTP- Real transport protocol
Scopes & Objective
• To make a low cost and efficient
communication system
• Better Utilization Of Bandwidth
• Prevent The Call Blocking
How does VOIP works?
>VOIP Using an ATA
Ordinary phone----ATA----Ethernet----Router----Internet----VOIP
Service provider
>VOIP using an IP PHONE
IP Phone----Ethernet----Router----Internet----VOIP Service
Provider
>VOIP connecting directly
IP Phone----Ethernet----Router----Internet----router ----Ethernet---IP Phone
Why use VOIP?
>Lower Cost
>Increased Functionality
>Flexibility
Challenges
>Susceptibility to power failure
>Emergency calls
>Security
>Securing VOIP
Future Works
• Fine-tune the experiment suite to get rid of
the distortion.
• Carry out different experiments for testing
implementing the software on Internet.
• Provides service to multiple users
simultaneously.
Conclusion
1. Implementation of VoIP as an alternative to
PSTN.
2. Cost Effective Solution.
References
• Microsoft Corporation ,Balz Wyss, Ph.D.
Product Manager,
Mobility & Embedded Division (MED)
• www.google.com
Any Suggestions?