Direct Dial-in Service

BEST PATH TO YOUR CUSTOMER’S SERVICE – GLOBALLY

The Elisa DDI service provides the Service Providers (SP) the ability to receive calls originating from Finland via Elisa’s telecommunications network using SIP (Session Initiation Protocol). The Service is uni-directional, i.e. including only telephone traffic originating from Finland.
An example of use case for the DDI service is global telephone conference, where Elisa provides dial-in numbers for conference calls in Finland (the conference bridge is in country X).
Various alternatives can be used as the dial-in numbers in Elisa DDI service:
  • Local telephone numbers
  • Freephone Service Numbers
It is also possibly to use customer’s existing telephone numbers and Freephone Service Numbers for Elisa DDI service dial-in numbers. In that case number portability will be used.




An example of use case for the DDI service is global telephone conference, where Elisa provides dial-in numbers for conference calls in Finland (the conference bridge is in country X).

For more information please contact CSSP(at)elisa.fi