TeleWebTech sells and supports SIP-compliant telephone handsets and conference phones from the following manufacturers.
"Soft" IP Phones
In addition to hardware handsets, 3CX "soft phones" (software that turns your computer into a phone) are available for all common computer platforms (Windows, Mac, etc.). Simply install the software and your computer is transformed into a full-featured phone connected to your office phone system.
Android & iOS Support
Mobile Apps are available for Android and iOS. Simply install the software and your mobile phone is transformed into a full-featured phone connected to your office phone system.
SIP definition: Session Initiation Protocol is used for initiating, maintaining, modifying and terminating real-time video, voice, and messaging sessions and other communications between two or more endpoints on IP networks.