SIP trunking is still a quite  recent VoIP technology, closely related to the latest business phone system and it is potentially a technology that can pass business advantages to lots.

What exactly is SIP trunking?

In its simplest form, SIP trunks can be viewed as no different to an regular digital line that is linked to a business phone system. In the way it is used, the purpose of what it is for, and if you went into an office picked up the phone and made a phone you would not know if you were making phone call out on a ordinary digital telephone line or a SIP trunk service.

What connections are used to provide SIP Trunks?

SIP Trunking is provided using the following two methods-

(i) As a data system using an existing  xDSL or alike
(ii) Using a purely voice xDSL service or equivelent

method (i) often routes calls using the public Internet, while method (ii) is a circuit supplied and normally guaranteed to provide a level of Quality of solution (QoS) as it connects into the system backbone, as a result by-passing public Internet traffic.

Once the data circuit has been installed a connection then requires to be made to the actual business phone solution, much the same as a conventional phone line requires too. If you would like to connect the SIP trunk to an older communication solution (generally manufactured pre-2006) then it is likely a SIP convertor element would be required. The SIP convertor unit links to to both the all ready in place line ports on the phone solution and to the xDSL SIP trunking circuit.

lots industry phone systems manufactured post-2006 could expect a license key, software upgrade or an added piece of hardware to permit the SIP trunking solution to be linked directly.

Why use SIP trunking?

A SIP Trunk brings with it many recent industry benefits, the most significant of which can be listed as follows-

- Bring down line rental costs

- Decrease call charges

- Capability to have different National & International area codes numbers

- Free on system phone charges (useful for multi-site corporations)

- Ability to keep telephone numbers no matter where the  organisation moves

- Instant phone re-routing in the event of a disaster occurance

SIP Trunking Solutions Summarised

SIP trunks are now generally available, a demonstrated technology and with SIP Providers working closely with business telephone solution manufactures it should help to install self-confidence in the market for rapid take up.

Nonetheless this is just part of the article, to make sure a SIP Trunk solution works as it ought to, right calculations must to be undertaken in terms of the bandwidth that is made obtainable to allow the required number of concurrent calls to be made or received. The last, but my no means least, part of the equation that requires to be right is the supply, installation and configuration of the necessary SIP hardware and SIP software may be needed.

With every one of these elements correctly in place a SIP trunking service seems set to take the sector by storm using the next few years, benefiting many businesses and telecommunications organisation’s along the way.

Categories: Telecom Blog

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