AT&T LD72310 cordless phone system

We'd be happy to help with assigning the different ringtones to individuals in your family, @JohanBellri. 

We appreciate @spoom2 for providing that helpful information. 

As previously suggested, we'd recommend checking out the phone manual for the specific brand that you have to see if you're able to assign a specific ringtone to individual numbers. If it's not in the manual then unfortunately, there's no way to assign a unique ringtone for a certain number. 

Please reach back out if you have any further questions. Thanks for contacting the AT&T Community Forums. 

Robert, AT&T Community Specialist