Incall
In call means that the escort is working in a fixed place, usually in a flat or a house, sometimes with other escorts, so the clients can go «in» that place, as the escort is not willing to go out and work elsewhere.
In call means that the escort is working in a fixed place, usually in a flat or a house, sometimes with other escorts, so the clients can go «in» that place, as the escort is not willing to go out and work elsewhere.