151 Dang Tien Dong street-Dong Da district
System operator Switching phone, PABX, IP-PBXTransmission system use and accessRecording monitoring callsSystems Conference Audition / video conferencingSystems Facilities Wireless WiFi, WiMAXEquipment to the HF UHF VHF, Radio trunking ...
PABX,Telephone,Fax,Sofware,recoding,camera
