Methods, systems and apparatus for using session, device and/or user signatures

A system comprising:

• a group session signature determination device including:
• one or more neural networks, and
• a first processor that controls the operation of the group session signature determination device to perform the following operations:
• receive a first set of session control messages, belonging to a first communications session, said first set of session control messages including at least one session control message;
• extract a first set of features from said first set of session control messages;
• operate one or more neural networks to identify a group session signature to which said first set of session control messages corresponds based on said first set of features, said identified group session signature being one of a plurality of group session signatures.

A non-transitory computer readable medium including a first set of computer executable instructions which when executed by a processor of a system controls the system to perform the following operations:

• receive a first set of session control messages, belonging to a first communications session, said first set of session control messages including at least one session control message;
• extract a first set of features from said first set of session control messages;
• and
• operate one or more neural networks to identify a group session signature to which said first set of session control messages corresponds based on said first set of features, said identified group session signature being one of a plurality of group session signatures.