... let me know which model you want,will give you my best offer ! voip system ModelSpec.FrequencyGOIP44GSM,1WAN, ... 1LAN800MHz450MHz1900MHzWCOIP44WCDMA,1WAN,1LAN2100MHzWCOIP88WCDMA,1WAN,1LAN2100MHzWCOIP8-328WCDMA,1WAN,1LAN2100MHz voip system 1. 8 Channels GSM/CDMA/WCDMA VoIP Gateway2 ... can be considered as" mobile extensions" of the telephone system. Additionally,"Least Cost Router" permits to select the ...