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Admin Guide
Admin Guide for Yeastar K2 IPPBX.
Call Control
SLA Stations
SLA Overview
SLA (Shared Line Appearance) feature helps users share and monitor SIP trunks and PSTN trunks. After enabling SLA feature for a trunk, the trunk works as the exclusive line for SLA station and is unavailable in both inbound routes and outbound routes.

SLA Overview

SLA (Shared Line Appearance) feature helps users share and monitor SIP trunks and PSTN trunks. After enabling SLA feature for a trunk, the trunk works as the exclusive line for SLA station and is unavailable in both inbound routes and outbound routes.

SLA trunk refers to the trunk with SLA feature enabled. SLA station refers to an extension which is bound with a SLA trunk.

When an SLA station makes an outbound call through SLA trunk, other members sharing the SLA trunk can monitor the trunk state by BLF keys LED on phone devices.
When receiving an external call from SLA trunk, all extensions sharing the SLA trunk will ring.
Note: If Allow Barge feature is enabled on an SLA trunk, all members can place and join multi-party calls.