Introduction Work with GSM SIM card. Easy to be installed. Could store 4 access numbers Could reroute user’s call after programming the specified access number and PIN codes -new! Could set prefix go though or by pass the dialer Support prefix removing function-new! Intelligent auto pickup least cost route (LCR) function-new! Support three working mode: a. carrier select mode b. force carrier select mode c. call through wait for connection establish d. call back No need to change user’s conventional dialing habit: a. Support dial from the Contacts and phone book, no need to memorize and input the numbers. b. Support dial directly from mobile phone's missed calls/ call record/ call history/ recent calls. Compatible with many mobile phones, Nokia, Motorola, Sony Ericsson, Samsung, LG, and so on.