Direct Inward Dialing

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Direct Inward Dialing

Direct inward dialing (DID) is a telecommunications service that allows incoming phone calls to be routed directly to a specific extension or phone within a business, without the need for an operator. This is done by assigning a unique phone number to each extension or phone. When a customer calls a DID number, the call is routed directly to the corresponding extension or phone without having to go through a central switchboard or receptionist.

DID is a popular feature of private branch exchange (PBX) systems. PBX systems are phone systems that allow businesses to have multiple phone lines on a single trunk line. DID allows businesses to assign a unique phone number to each employee or department, without having to have a separate trunk line for each number.

Direct Inward Dialing, benefits for businesses

DID offers a number of benefits for businesses, including:

  • Improved customer service: DID makes it easier for customers to reach specific employees or departments within a business. This can improve customer satisfaction and reduce frustration.
  • Increased productivity: DID can help to improve employee productivity by eliminating the need for employees to answer and transfer calls.
  • Reduced costs: DID can help to reduce phone costs by eliminating the need for businesses to pay for multiple trunk lines.


DID is a valuable tool for businesses of all sizes. It can help to improve customer service, increase employee productivity, and reduce costs.

How Direct Inward Dialing can be used?

Here are some examples of how DID can be used:

  • A business can assign a DID number to each employee, so that customers can call directly to that employee’s extension.
  • A business can assign a DID number to each department, so that customers can call directly to the department they need to speak to.
  • A business can assign a DID number to a specific product or service, so that customers can call directly to the sales team responsible for that product or service.


Direct Inward Dialing

DID can also be used to create virtual phone numbers. Virtual phone numbers are phone numbers that are not associated with a physical phone line. Instead, they are routed to a specific phone number or extension in another location. This can be useful for businesses that have multiple locations or that want to offer a toll-free number to their customers.

DID is a versatile and powerful tool that can be used to improve a business’s phone system and customer service.

AfriCallShop provides DID numbers available in a lot of countries.