UAD (User Agent Devices) are various IP phones, soft phones, ATA (Analog Telephone Adaptors) and IAD (Integrated Access Devices) used for system extensions. PBXware supports a wide range of UAD using SIP,IAX, MGCP and ZAPTEL protocols.

Supported devices are already pre-configured with most common settings in order to allow administrators an easy way of adding extensions. However, some PBXware installation have a specific requirements hence it is advisable to edit selected UAD  and set it to required values. Additionally if an installation needs o use an UAD not listed, clicking on "Add User Agent" allows adding new UAD.