GSM接入平台(拨号器),液晶显示,自带任意设置的计费器;储存全球费率,自动识别不同号码且准确计费。具接来电功能,直接拨出免费特服号,如110、119、120等;GSMAccessPlatform(Dialer),liquidcrystaldisplay,comeswiththemetersetarbitrary;savetheglobalrate,automaticandaccurateidentificationofdifferentbillingnumbers.Callsafunction,thedirectallocationoffree特服号,suchas110,119,120,etc.;