No need for separate phone wiring lintel IP phones can use computer network
Easier to install & manage via web-based configuration interface
A software-based IP PBX is far less expensive then a hardware-based PBX / PABX
Employees can move offices without requiring any changes in the wiring or IP PBX configuration
Choose from the many SIP based hardware phones instead of getting locked in with one vendor
Receive & Make calls via the standard PSTN using VOIP Gateways
Save on call costs using any SIP/IAX VOIP service or WAN