Yeastar

PBX, central management, and unified-comms clients for MSP-hosted voice.

Yeastar's three-piece stack: Central Management (YCM-BYOI), P-Series Software Edition PBX (PSE), and Linkus UC clients. The kit an MSP-hosted voice operation runs on. This vendor covers provisioning customer PBXs, configuring extensions and callflows, queues and recording, supporting Linkus users, and operating the YCM cluster at scale.