uaCSTA Handsets Yealink | PBXs and Telephone Systems | ucplus

ucplus Server Information

Minimum Version Required:


Installation Notes:

Handsets are normally configured through provisioning.

Directory Download:



V80 or V81 firmware is needed for Yealink handsets to support uaCSTA. Please contact us for more details or speak to your Yealink distributor.

Connection Information




Handsets are configured to point to the CTI server. Current supported handsets: Yealink

Firewall Requirements:

Inbound (handsets connect to server)

PBX Information


uaCSTA handset are normal SIP handsets that are configured to connect to a uaCSTA server over SIP also. The uaCSTA session is only used for monitor and control the normal SIP accounts. The handset is known by the number of the first working account (the primary).

Driver Requirements:


Firmware Requirements (for new installations):

Model: T40P, T41P, T42G, T46G, T48G
Firmware 81 or above. Example = .82 is the firmware version.

Other Requirements:

Handsets need to be configured individually (or via provisioning) to point to the uaCSTA server.

WAN Connectivity Trunk Monitoring Analog Phones Supported Agent Features Supported