Central Equipment Identity Register

A Central Equipment Identity Register is a database of the IMEI numbers of blacklisted handsets. If a device's ESN or IMEI number is listed on a CEIR, it is not supposed to work on member service providers' networks; only paying members may access the database.

Central Equipment Identity Register

A Central Equipment Identity Register is a database of the IMEI numbers of blacklisted handsets. If a device's ESN or IMEI number is listed on a CEIR, it is not supposed to work on member service providers' networks; only paying members may access the database.