Direct Inward Dialing or DID is a kind of service that extends a telephone number set to make calls within the PBX (private branch exchange) of a company. Such numbers are international and can aid in call forwarding to your current telephone lines. These numbers can aid in offering excellent business solutions by extending advanced solutions and services to customers. Know about some of the best ways you can use DID number for giving a boost to your business.
Voice over IP (VoIP) systems
For Voice over Internet Protocol (VoIP) systems, DID service providers are highly essential. They allow PSTN (Public Switched Telephone Network) users connect directly to users having VoIP telephones. Communications gateways are provided with DID numbers that help in call transfer between two networks, route calls and connect PTSN to the Voice over Internet Protocol (VoIP) network.
Direct outward dialing
It is possible to use DID numbers as DDCO (Direct Dial Central Office) or DOD (Direct Outward Dialing) to make outgoing calls to the head office exchange from a Hosted PBX. Once there is combining of both services, it can be easy to dial global telephone numbers directly through any extension even with no help from an operator.
Fax services
You can use a DID number for fax services by connecting with a phone server. Only a set of digits of the phone numbers assigned are used for identifying the fax no. of the recipient. Although there is only one fax machine, each of the multiple recipients can get a fax number of his own.
Author Bio:-
This article is written by Lee Wood. He has got into writing professionally and uploads regular informative articles. You can refer to the articles and the information put down by him and clears your doubts on effective communications blog. If you are in need of a toll free or DID number in Philippines, visit this website.