This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
According to the American Marketing Association, - "Marketing
is the activity, set of institutions, and processes for creating,
communicating, delivering, and exchanging offerings that have value for
customers, clients, partners, and society at large." A company, which
provides marketing services, should be capable of doing all the above listed.