Gsm 8 channels fwt with one number unified

Key Attributes.

Key Specifications/Special Features: 1.It is a 8 channels FWT that has 8 ports FXS interfaces, 1 SIM card per channel; 2.It can connect with ordinary telephone set, PBX, VoIP Gateway, Billing meter etc.; 3.Compatible with 850/1900/900/1800mhz 4.One Number Unified: You only need to tell your customers one telephone number of the 8 ports equipment instead of telling them all the 8 telephone numbers.If there is an incoming call,the equipment will auto switch it to the free channel. 5.Callback Function 6.Provide accurate anti-polarity signal 7.Support DTMF 8.Support 2ND Stage Dialing 9.Separate Power On/Off controller 10.Can regulate SPK & MIC volume 11.Setting dialing time delayed 12.Setting automatic dialing 13.Support to dial all numbers including of */# 14.Barred telephone numbers can be set flexibly 15.Lock SIM card and phone 16.Presetted local area code and IP access numbers, identity automatically user's dialing numbers to simplify use's operation process. 17.Supporting setting and modification of presetted local area code, IP access number and other preferences by using DTMF signals of ordinary