3CX Phone System is an open standard Windows-based IP PBX that provides superior features and flexibility at a far lower cost and replaces traditional PBX hardware phones. It supports popular SIP phones, VoIP providers and traditional PSTN lines. 3CX Phone System’s web-based management console makes it easy to configure, eliminating the need for expensive maintenance.
Yealink, H-Tek, CISCO, Polycom are some of the big names in this IP phones manufacturing sector. They Produce wide variety of IP phones for the business communication process.