While camped on a first cell with a first access node, it is determined that a second cell of a second access node is a private cell. From information received from a network it is determined that a criteria is satisfied, and conditional on the criteria being satisfied, a unique identifier for a private network of the private cell is decoded. Exemplary embodiments include a method, apparatus and computer readable medium storing a program. In various specific and non-limiting embodiments: being camped on the first cell comprises being in an active RRC CONNECTED state; the information received is broadcast information, the determining is by comparing received L1 ID to a list of locally stored CSG L1 IDs; the received broadcast information comprises a first portion of a TA ID and the criteria being satisfied comprises the first portion matching an entry of a locally stored whitelist.