Difference Between VoIP and SIP

The advancement in technologies has made life a lot easier. Many things that were previously thought to be impossible are now a part of one’s daily life. This is particularly true when it comes to communication technologies. The rapid pace at which these technologies has advanced is making life a lot easier for people around the world.

Only a few decades ago, phones were as rare as precious gems and they were not easy to use. Long waits were needed just to make a long distance phone call. Now it is as simple as dialling the number on your land-line or cell phone. You can also save money by using internet related technologies which allow you to make phone calls to numbers through the internet for free or a very little price. Using the internet to transmit voice calls has now improved to such a level that it is hard to tell the difference between a regular phone call and one that is using the internet for transmission.

The two terms that are often used are VoIP or Voice over IP and SIP or Session Initiation Protocol. These two terms are often used side by side and although they have a somewhat similar function, they are actually different from each other.

The main difference between the two is that VoIP is the technology that is used in order to allow people to talk with each other over the internet whereas the SIP is the part of that technology.

Instructions

  • 1

    VoIP (Voice over IP)

    VoIP is the concept of sending voice packets. The technology has greatly advanced now and instead of getting packets individually and with gaps, the better technology allows them to be instant and one can hold a live conversation with its help.

    The technology is not very old and it first came to limelight a little over a decade ago where the quality was improved enormously. Being very cheap or in cases free also adds to the popularity. Now there are software applications that also allow the use of VoIP services on a cell phone that has the right operating system.

    - Image Courtesy: bstechnology.net

  • 2

    SIP (Session Initiation Protocol)

    It is an application layer protocol that was designed to manage multimedia sessions such as VoIP. It can manage all issues including starting a call, modify the current call by adding more people to it and terminating it. It also has the ability to generate bills for such sessions amongst a number of other functions that it performs.

    - Image Courtesy: 3cx.com

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