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)

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