- Calling party
The calling party (also called caller, call originator or A-party) is a person who (or device that)
initiates a telephone callover the public switched telephone network, usually by dialing a telephone number. The process is called call originationand the person who (or device that) answers a telephone call is the called party.
The calling party is usually the party that pays the fee for placing the call, however in reverse charge (or collect) calls this may not be the case.
roamingon an international network using a mobile phone, the calling party may need to pay an extra fee for the subsequent use of the overseas network.
Human call originator
In some countries it is common etiquette for a call originator to identify himself first, when the connection is established.
Machine call originator
Modems and fax machines use different tones when originating or answering a connection, which may be a source of problem for the user.
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