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What is SIP Trunking?

What is SIP Trunking?


SIP Trunking or Session Initiation Protocol is a service that allows businesses to integrate data, video, and audio communications into one.  By connecting a SIP trunk to an internal public switched telephone network, companies can communicate over the Internet with clients, other businesses, their partnering businesses- basically anyone.  By blending data and voice connections via SIP trunking; businesses are then able to save money by utilizing the SIP trunk.  Your phone call, video conference, or data travels IP lines rather than land lines- saving you long distance calling- but unlike video conferencing from years past; the quality, clarity, delay time, and total service is like no other- it’s like being in the same room when you’re countries, states, and miles apart. 
 
SIP trunking is one of the newest innovations for businesses; SIP Trunking eliminates the need to invest in costly TDM-gateway equipment infrastructures or desktop equipment.  Because one line is used to do the work of what multiple lines once did; this reduces monthly expenses.  Eliminating the need for primary rate interface or basic rate interface connections will also lower telephony costs.  You’re also able to utilize the advantages of voip business service without having the added expense of new equipment or doing away with your current phone systems. 
is offered to businesses by ITSP or Internet Telephony Service Providers; these providers are much like your local telephone or Internet provider- however, in essence, you’re combining the two.  SIP Trunking providers in essence connect the business’ current phone system infrastructure to a PBX.  A PBX is basically a switch that occurs between lines of communication.  In laymen terms, your phone call then becomes more of an Internet communication- without the expense of long distance calling.
 
Internet Telephony Service Providers offer cost savings to their clients; however, there are some factors to consider prior to investing in SIP Trunking.  For example, security is a big issue.  Just as you are careful about whom you choose to handle your long distance calling or your Internet services; you should be just as though when investigating ITS Providers.  SIP connections can be used as a channel for attacking company’s internal networks.  Just as you may get a virus or be scammed on the Internet; the use of SIP trunking may also pose a risk.  Businesses that decide to invest in SIP Trunking should look closely at their ITS providers and require a high level of security be installed. 
 
Another common issue that is often seen as a problem for SIP Trunking is bandwidth.  It’s important to make sure that your ITS Providers have the ability to provide you with open bandwidth; you don’t want to worry about delay or lost calls.  Although, the idea of SIP Trunking is a bright one; it’s important to remember that SIP Trunking is in its infancy.  Therefore, those wanting to save money and utilize the technology should look for Internet Telephony Service Providers with expertise in the business.
 
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