... Big Dot-matrix 128x64LCD,backlight .* Caller ID, call transfer, call conference, redial, speed dial, hotline* Powerful phone book supported.* SMS receiving and ... operator,cell lock( up to 9 cells),interlock of phone and SIM card.* Backup Li-battery* Industrial GSM ... price to you! Welcome your sampel request !GSM Wireless Phone & Terminal/GSM Payphone series Show:GW5000GT3000N GT1002N GT1001N GT3000G ...