sendDtmf

await client.send_dtmf(
    digits: str,
    message_id: str | None = None,
    request_id: str | None = None,
) -> None

await client.sendDtmf(
  digits: string,
  messageId?: string,
  requestId?: string,
): Promise<void>

err := client.SendDtmf(ctx context.Context, digits, messageID, requestID string) error

CompletableFuture<Void> sendDtmf(String digits)
CompletableFuture<Void> sendDtmf(String digits, String messageId, String requestId)