... 64SIMs 2.4 sims can rotate+ IMEI Change 3.Comptiable with Asterisk 4.Polarity reversal Product Description 1. Competitive price, ... voice,rapid networksearching.IMEI is changeable,you can modify theIMEI with keyboard of tel phone,every easy.Specifications:Protocol GSM mobile ... environment:Windows7,Vista,XP,2003/2000,Linux,Mac...OS.Four RJ45 Interface, One USB interface in the right side: 16 ...