Dialled number identification service (DNIS) is a telephony feature that identifies the phone number dialled by a customer before the call connects. DNIS helps contact centres determine which line or campaign the call is associated with, enabling intelligent routing, personalised greetings, and improved call-handling efficiency.
Enterprises use DNIS to streamline how inbound calls are distributed across departments, products, or campaigns. When a customer dials a specific DNIS number, the system automatically routes the call to the most relevant agent or queue. This eliminates manual transfers, reduces wait times, and ensures customers reach the right expert the first time.
With DNIS data, organisations can tailor greetings, messages, and IVR menus based on the number dialled. For example, customers calling a technical support DNIS might hear a different menu than those dialling a sales line. This personalisation enhances efficiency and creates a seamless experience that feels relevant from the first interaction.
For enterprises that manage multiple brands, marketing campaigns, or service lines, DNIS provides essential visibility. Each DNIS number corresponds to a specific campaign or brand, allowing contact centres to track performance, allocate resources, and measure ROI. It also helps agents deliver consistent experiences aligned with each brand’s identity.
In regulated industries such as healthcare, finance, or government, DNIS helps manage compliance and call prioritisation. Calls to dedicated hotlines or emergency lines can be identified instantly and escalated automatically. This ensures sensitive or time-critical interactions are handled by the right teams under the correct protocols.
When combined with AI and call analytics, DNIS enables smarter routing and deeper insights. Enterprises can analyse DNIS numbers to detect call patterns, evaluate campaign effectiveness, and optimise routing workflows. Integrating DNIS data into an AI-powered contact centre platform enhances decision-making and operational performance.
Dialled number identification service is a powerful tool for creating efficient, personalised, and scalable customer experiences. With the Genesys Cloud CX® offering, organisations can combine DNIS with AI-driven routing, analytics, and journey orchestration to deliver faster resolutions and more meaningful customer connections.
See how Genesys Cloud CX uses DNIS to elevate every customer interaction.
