Why Use SIP?
SIP allows people around the world to communicate using their computers and mobile devices over the internet.
The most interesting benefit of SIP is how it cuts down on communication costs.
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Calls (voice or video) between SIP users are free, worldwide.
There are no boundaries and no restrictive laws or charges.
Even theSIP appsandSIP addressesare obtained free.
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SIP as a protocol is also powerful and efficient.
Many organizations use SIP for their internal and external communication, centered around aPBX.
Then it’s crucial that you configure your SIP client.
You’ll also want to have your SIP credentials handy.
What Is Required?
SIP is one of the pillars of VoIP.
But along with SIP, there are other signaling protocols used for voice and video communication onIPnetworks.
For instance,Skypeuses its ownP2P architecture, as do some other service providers.
Most VoIP service providers support SIP both in their services and the VoIP client apps they offer.
There are so many SIP address providers and clients that Skype is not necessary for SIP communication.
