Due to different region or country has different caller ID format caused many caller ID device can not be used everywhere, then the caller ID doesn��t function under such circumstance, so the universal caller ID converter is a must to work with all kinds of caller ID format. Based on this idea, Artech is launching an universal caller ID converter which can fully support various caller ID format, and it can convert DTMF caller ID to FSK or FSK caller ID to DTMF in both way. With EX710 will let you fully enjoy the convenience wherever you go all over the world.