An elextronic form of communication.
Chalakanesia has no telephone system, since a prohibitive amount of gold would be needed to shield handsets and wiring from the metapsychic faultline. Radio phones are out of the question, since the metapsychic field garbles the radio bands. At the time which our history deals with, La Lantis had recently begun experimenting with melagram sets - but even melagram communications got washed out by the emotional weather of Lombok.
Hence Atlanta's clients left messages for her at the coffee bar. Or, if they were really in a hurry to contact her, they would send messenger boys to roust her out of the House Jubiladilia, the Hot and Cold, or the Glorious Blue Feathers Cockfighting Den. [WoH Ch2]