lastChecked attribute

[StefanoFalsetto-CKHIOD]

Hi All,
at the moment we are not able to get the "Date and time that the information was last confirmed by the mobile operator to be correct".

Has anyone had similar problems? And what solutions did you find?

[eric-murray]

Hi @StefanoFalsetto-CKHIOD

The example implementation shown in the API definition uses the PCRF to retrieve the IMEI. That only works if the device is still connected to the network, and so would be considered "real time". Hence, for that implementation, lastChecked can be set to the current time, even though the PCRF would have got that information when the device first attached to the network, which could be some time ago. This is valid because the physical device cannot change without the SIM detaching and then re-attaching, at which point the IMEI would be updated.

For solutions where the IMEI is being retrieved from BSS or similar where the information is known to be "historical" then, if there is no timestamp, likely you will have to give some conservative estimate. For example, if you know the database is only updated once per day, then you know the information could be up to 24 hours old.