void
rrFromWire(DNSInput in) throws IOException {
	address = in.readCountedString();
	if (in.remaining() > 0)
		subAddress = in.readCountedString();
}
Creates an ISDN Record from the given data
@param address The ISDN number associated with the domain.
@param subAddress The subaddress, if any.
@throws IllegalArgumentException One of the strings is invalid.
src/main/java/core/org/xbill/DNS/ISDNRecord.java