DNIS (or Dialled Number Identification Service) is a feature of the telephony network that enables us to know which number was dialled by a customer so the appropriate Call Routing strategy can be applied.
How does DNIS work?
To give you an example, your company might have several 1800 numbers for customers to dial, perhaps one for each geographical state that all come into the one call centre.
By using DNIS you can determine which 1800 number they called and use this information when routing your calls to the agents.
This can be useful if you have experts the specialise in each state for example.
You can also use the knowledge to play different hold messages, queue with a different priority etc.
DNIS works by passing the touch tone digits (dual tone multi-frequency or MF digits) to the call centre where an ACD or PBX can read the signals and apply the chosen logic.
Pretty clever stuff.
Next steps
- If it’s time to upgrade your call centre telephony platform you can find quality suppliers in our Business Directory.
- Learn more about call centre technology
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