export declare const ConversationHistorySipTrunkingPhoneCallModelDirection: {
    readonly Inbound: "inbound";
    readonly Outbound: "outbound";
};
export type ConversationHistorySipTrunkingPhoneCallModelDirection = (typeof ConversationHistorySipTrunkingPhoneCallModelDirection)[keyof typeof ConversationHistorySipTrunkingPhoneCallModelDirection];