Saturday, January 22, 2011

SIP Trunking Providers and Their Benefits

SIP trunking is a unique Internet telephony service which is quite popular. It provides seamless access between the web and public telephones by putting data and voice into a single line of communication.

The SIP trunking providers are the ones who offer this unique Internet telephone service. The advantage of this process is its ability to converge data and voice communication into a single line which enables the users to access seamlessly both the public switched phone network and the Internet.

If you wish to install SIP trunking you should contact your nearest providers. The installation involves four basic components without which it will not work. To successfully implement this system you will require a SIP enabled PBX, SIP enabled enterprise edge device, Internet telephony provider and lastly, a public switched telephone network.

Therefore, you get four components such as PBX, EDGE (enterprise boarder element), PSTN and ITSP from the SIP trunking providers. The full form of PBX is private branch exchange. This is a particular telephone exchange catering to a specified office or business house. It is the opposite of a general telephone exchange which caters to various individuals, businesses and offices. The PBX used in most of the cases are IP based PBX which communicate with endpoints over the IP network. However, these PBX may well be the conventional analog or digital PBX. It is one of the fundamental requirements and an interface from where SIP connectivity is available.

Another important and necessary component provided by the SIP trunking providers is the EDGE, commonly known as enterprise boarder element. EDGE is a term which is synonymous with devices such as digital wireless phones, digital phones, softphone, etc. The local network PBX links to the Internet through the EDGE.

The SIP trunking providers are also known as the Internet telephony service providers or ITSP. An Internet data service is provided by the ITSPs for facilitating phone calls via the VoIP system. At this stage session initiated protocol initiates. The providers of Internet telephony supply connection to the PSTN or public switched telephone network for facilitating landline and mobile communication. It is the providers of Internet telephony who offer SIP trunking which enables connection between EDGE and PSTN.

Thus, SIP trunking providers are increasing by leaps and bounds especially in the US, as it is one of the easiest and most affordable options for calling purposes. It is easy to install the system at home or in the office. Some of the well-known SIP providers are AT&T, Bandwith, Checkbox, Didlive, etc.
George Yee is a consultant for sip trunking providers .

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