HVAC

English

HVAC 。。。。。。。。
Avantec now manufactures different telecom products as listed below:Caller ID Phone, Display Phone, Full Feature Phone, Trim-line Phone, Hotel PhoneDECT Phone with TAD/ SMS, DECT PABX, DECT Repeater, 2.4GHz Wireless PBXIP Keyline PABX, IP PBX, VoIP Phone, IP DECT Phone, USB PhoneGSM DECT Phone, GSM Fixed Wireless Phone, GSM