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Example of Functionality of DIDS
For example, a company with 100 employees, could purchase 15 telephone lines (in this example, more properly called trunk lines) and also obtain 100 DID numbers so that the 100 employees, or work stations, can each have their own individual phone number. These DID numbers would then be routed through the 15 trunks lines. With this example, the company only pays for 15 phone lines, but is able to present the appearance to customers that they have 100 individual telephone lines. With DIDs, people outside the company can call directly to an individual, or work station such as sales, customer service, personnel, etc, within a company, without the involvement of a switchboard operator.
DIDs Are Priced Reasonably
The number of DIDs which can be obtained by a company is virtually unlimited, but it must be remembered that the number of simultaneous calls which can occur is limited by the number of actual voice lines (trunk lines) purchased by the company. Using our above example, the company which pays monthly for 15 trunk lines but has 100 DIDs, can only receive/send 15 calls at one time. If more than 15 simultaneous calls are attempted, all calls that exceed 15 will be dropped. One of the reasons that the use of DIDs is popular, is that company employees are very seldom all on the phone at the same time. Before deciding on the ratio of phone lines to DIDs, companies must first assess how many lines are used simultaneously in a worst case scenario. DIDs cost very little, usually only a few dollars per month for each block of 100.
DID Advantages
With the use of DIDs, callers can be provided with the impression that they are calling people, rather than a company, the calls are connected faster, and there is no need to pay for a switchboard operator, or auto attendant. All calls are automatically routed directly to the individual or workstation within the company.
Virtual DIDs and International Virtual DIDs
Virtual DIDs are a recent breakthrough that is one of the most popular aspects of SIP telephone service. With virtual DIDs, companies can have a local phone number at remote locations, domestically, or world wide. For example, with the use of virtual DIDs, a company which is located in Seattle, can have local phone numbers in most other cities throughout the United States, or, with international virtual DIDs, throughout the world. A virtual DID is a phone number that is local for a location, but rings to another geographic location as if it were a local call. There is at no cost to the caller. With our above example, the Seattle company could have a local appearance in Chicago, Miami, Phoenix, London, Paris and Hong Kong. With this example, customers would be able to make local calls from any of these cities, and the call would terminate at the company in Seattle, at no cost to the customer. It would seem as if the customer is making a local call. SIP telephone service is very reasonably priced, often less expensive than traditional phone service. Most modern PBXs, are now SIP compatible. Virtual DIDs, including international DIDs are reasonably priced as well. They are often extremely cost effective for most companies.
To check prices and availability for any of the services listed above, please use the pricing tool at the top of this page. It’s free, real-time, easy to use and there is no obligation. Or, if you have questions regarding DIDs, please enter your US location into the pricing tool above.
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