... ,1LAN800MHz450MHz1900MHzWCOIP44WCDMA,1WAN,1LAN2100MHzWCOIP88WCDMA,1WAN,1LAN2100MHzWCOIP8-328WCDMA,1WAN,1LAN2100MHz wireless voip ata 1. 8 Channels GSM/CDMA/WCDMA VoIP Gateway2. SIP Protocol Compliancy3. SMS ... . Mobile phones can be considered as" mobile extensions" of the telephone system. Additionally,"Least Cost Router" permits to select the cheapest ...