Replacing AVAYA IP Telephony System with Grandstream IP Telephony System
Replacing the AVAYA IP Telephony System with Grandstream IP Telephony System including IP PBX , 50 IP Phones , 30 Wireless IP Phones for Mobile engineers , 2 X Conference Phones for meeting rooms , VOIP Between HQ & Remote branches & finally connecting the On-premise PBX with 3CX Cloud PBX for mobile Users ( Outside KSA )