Call us: 0800 3167566


DDI Number

What is a DDI?

DDI (Direct-Dial-In) numbers, also known as DIDs (Direct Inward Dialling), offer a direct and efficient way for callers to reach specific extensions without the need for intermediary services like a switchboard or automated menu system. Unlike traditional phone systems, DDI numbers provide a more streamlined communication process within a business.

DDI numbers offer a range of benefits, from cost savings and improved customer experience to flexibility and marketing attribution. These numbers play a crucial role in modern business communication, enabling organisations to enhance efficiency and provide better services to customers and clients.

How DDI Numbers Work

When setting up a business phone system, a VoIP provider can issue a range of DDI numbers in addition to the primary phone number. These DDI numbers typically form a sequence related to the main phone number. Each DDI number can be programmed to connect directly to a particular person or group, allowing for personalised and efficient communication.

Benefits of DDI Numbers

Cost Savings

DDI numbers facilitate faster communication between team members, customers, and employees by eliminating the need for interactions with receptionists or switchboards. This results in reduced wait times and more productive conversations.

Improved Customer Experience

By providing customers with direct access to the relevant team members through their assigned DDI numbers, businesses enhance the overall customer experience. This reduces the time customers spend waiting, leading to increased satisfaction.

Customised Phone Numbers

With the flexibility of modern VoIP phone systems, DDI numbers are not restricted to a specific range. Businesses can have DDI numbers associated with any town, city, or country, allowing for a local image regardless of the office location.

Enhanced Productivity

DDI numbers ensure that incoming calls are directed to the correct person or department, minimising the need for call transfers. This results in improved efficiency, as callers quickly reach their intended destination.

Flexibility with VoIP

Combining DDI numbers with VoIP solutions provides ultimate flexibility, allowing incoming calls to be directed to users’ mobile phones, desktop soft phones, or handsets. This flexibility supports remote work and contributes to overall efficiency and customer satisfaction.

Marketing Attribution 

DDI numbers can be used not only for individuals but also for groups or specific marketing campaigns. This allows businesses to track and analyse call data, providing insights into the effectiveness of marketing activities.

Speak to a consultant

We are accredited partners with

Related Pages

How Opus' telecoms consultants can assist you

Opus are the leading telecoms reseller in the UK. We have a dedicated consultancy team who are technology agnostic in their consultative approach to unified communications, design, deployment and ongoing telecoms support. 

Our specialist telecoms services include but are not limited to:

Back to our Telecoms Glossary >

Industry Recognition

UK Security Partner of the Year 2023
Partner of the Year 2022
Modern Workplace Partner of the Year 2021

Modern Workplace Partner of the Year 2023

Opus White for Web

Keen to discuss your telecoms requirement?