Talk:How to assign speed dial
From Nokia Developer Wiki
You could use this example for assigning speed dial in your own application. It allows to select contact and to define phone number from this contact for particular cell of speed dial [1;9]. There are a lot of cases then you could use this feature. For example you could use it in your own realization of phonebook, also it is necessary to support such features in own backup mechanism.
Important note: this code snippet required WriteDeviceData capability, so self-signed procedure for signing is not suitable.