Introduction to Seminar Topic on VoIP or Internet Phone Service :
Voice over Internet Protocol, also called as a digital phone, broadband phone etc. it is a way to making any kind of phone calls over a high speed internet connection like DSL, cable etc. There are a lot of difficulties in regular phone line but it is very easy to make a call in internet.
To make a call through VoIP we have to use extra equipment which is called Analog Telephone Adaptor (ATA). It will supply by the provider for sign up and allows making a call.
It is very cheap and easy setup. There is no other charge or service tax without a low monthly cost. So, using this equipment we can save a huge amount of money per month.
There are many advantage of using this type of connection. One of the precious is cost. If we call a VoIP user then there is no call rate means it’s absolutely free.
Cost: It is used for reducing the cost of the call. Example:
At a time we can make more than one call through internet
There is very much difficulties to make a phone call from regular telephone line such as digitalization, transmission which are already set in VoIP. Only necessary is encryption.
Portability: It is a social security benefits.
There are lots of challenges of using this.
- Quality of Services (QoS): It doesn’t give network based mechanism. It delivers data in a sequential order. By rule network system work first come first serve order. A huge no of protocol is used to support the reporting of Quality of Services.
- Emergency Call: By using IP it is difficult to locate users geographically. Sometimes VoIP systems emergency call is passed through a non-emergency phone line. VoIP E911 is a special kind of method, which support calls this. By using Assisted GPS; anyone can trace the location of E911 call.
- Security: This type of Telephone systems is susceptible to attacks. It means hacker who know about these can harvest consumer data, record conversations etc.
Download Computer Science Seminar Topic for BCA on VoIP or Internet Phone Service .