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Replacing the conventional telephone trunk, the Internet then allows communications with fixed and mobile telephone users in any location globally. Session Initiation Protocol (SIP) trunking is a telecommunications protocol in which Voice over Internet Protocol (VoIP) technology is utilized to establish a connection to a private branch exchange (PBX).

An increasing number of businesses have deployed this technology as a method by which they can improve efficiency and cut costs. In addition to cutting costs, simplified scaling as well as a reduction in labor and maintenance costs are benefits provided by the use of this technology.

Enhanced Features

Newly-minted or additional features can be incorporated into the system at no extra expense. Systems using landlines were not nearly as feature-rich, and the features that were offered usually meant additional monthly fees. With SIP trunking, options such as call forwarding, caller ID, video conferencing, and Direct Inward Dialing (DID) are packaged at no additional cost, facilitating first-class service at a far lower price.


SIP trunking consolidates phone services, merging all business communications services such as audio, voice, and video. This improves efficiency and ease of use.

Unlimited Calling Capability

VoIP providers typically offer calling plans that include unlimited local inbound and outbound calls, so the added fees associated with old technologies are not a factor. This elimination of overages and their attendant fees has amounted to considerable savings for many businesses.

No Call Forwarding Fees

As with call overages (there are none), in the new world of SIP trunking, call forwarding costs are a thing of the past. Standard landlines required users to pay monthly fees to use call forwarding services. Now, the benefits of unlimited call forwarding are available to users at no extra charge, which considerably impacts monthly phone costs – in a positive way.

Hardware Obsolescence

SIP trunking eliminates the need for traditional telephone hardware, which used to amount to a significant capital expense for many enterprise companies. Since SIP trunking is entirely Internet-based, deployment is greatly simplified, networks are streamlined, and there is no need for the hardware associated with the telecom platforms of years past.

More Efficient Scaling

Since businesses pay by the trunk, scaling is a simple matter. A business can purchase as many trunks as it requires, and there is no money wasted on the purchase of extraneous trunk space.

Lower Maintenance Costs

Using traditional landlines, whenever a maintenance issue arose, technicians had to be dispatched to deal with the problem at hand – at a cost of the technician’s transportation and labor, even if there were service agreements in place. Using Internet-based VoIP, all of the troubleshooting and diagnostics are executed digitally, which significantly reduces maintenance fees while reducing downtime and optimizing efficiency. Taking these significant benefits into account, it’s little wonder why this communications revolution is occurring around the increasing number of businesses that are deploying this technology.

To learn more about how your business can save money, improve efficiency, and cut labor and maintenance costs, contact thinQ today.