Third number call
Encyclopedia
A third number call or third party call is an operator assisted telephone call
that can be billed to the party other than the calling and called party.The operator calls the third number for the party to accept the charges before the call can proceed.
Telephone call
A telephone call is a connection over a telephone network between the calling party and the called party.-Information transmission:A telephone call may carry ordinary voice transmission using a telephone, data transmission when the calling party and called party are using modems, or facsimile...
that can be billed to the party other than the calling and called party.The operator calls the third number for the party to accept the charges before the call can proceed.