A method comprising: receiving, by a related device of a group of related devices, a communication notification representative of a first communication event associated with the group of related devices, the group of related devices being related based on at least one of utilizing a same communication address for sending and receiving at least communications via a network or being associated with a same subscriber account; accessing, by the related device and from an activity database (108, 112, 212, 318) associated with the related device, an entry corresponding to a second communication event associated with the related device, the entry including data items associated with the second communication event; accessing, by the related device, a first data item associated with the communication notification; accessing, by the related device, a second data item associated with the entry, the first data item corresponding to the second data item, the second data item being associated with the second communication event; the method being characterized in that it further comprises: comparing, by the related device, the first data item and the second data item; determining, by the related device, based at least in part on comparing the first data item and the second data item, that the first data item is similar to the second data item; determining, by the related device, based at least in part on the first data item being similar to the second data item, that the communication notification and the entry correspond to a same communication event; and refraining, by the related device, from adding a new entry corresponding to the communication notification to the activity database. receiving, by a related device of a group of related devices, a communication notification representative of a first communication event associated with the group of related devices, the group of related devices being related based on at least one of utilizing a same communication address for sending and receiving at least communications via a network or being associated with a same subscriber account; accessing, by the related device and from an activity database (108, 112, 212, 318) associated with the related device, an entry corresponding to a second communication event associated with the related device, the entry including data items associated with the second communication event; accessing, by the related device, a first data item associated with the communication notification; accessing, by the related device, a second data item associated with the entry, the first data item corresponding to the second data item, the second data item being associated with the second communication event; the method being characterized in that it further comprises: comparing, by the related device, the first data item and the second data item; determining, by the related device, based at least in part on comparing the first data item and the second data item, that the first data item is similar to the second data item; determining, by the related device, based at least in part on the first data item being similar to the second data item, that the communication notification and the entry correspond to a same communication event; and refraining, by the related device, from adding a new entry corresponding to the communication notification to the activity database. the method being characterized in that it further comprises: comparing, by the related device, the first data item and the second data item; determining, by the related device, based at least in part on comparing the first data item and the second data item, that the first data item is similar to the second data item; determining, by the related device, based at least in part on the first data item being similar to the second data item, that the communication notification and the entry correspond to a same communication event; and refraining, by the related device, from adding a new entry corresponding to the communication notification to the activity database.