Panasonic KX-NS500

It is a smart hybrid PABX system designed for small and medium businesses. Out of the box, it supports 6 analog trunks and 18 extensions, and it can expand up to 288 extensions using optional expansion units.Core System FeaturesHybrid Capacity: Combines traditional analog lines, digital extensions, and modern IP/SIP trunks or phones.Scalability: Starts small and grows up to 288 extensions by adding up to three KX-NS520 expansion units.Unified Communications: Supports mobile phone integration, built-in voice mail, email integration, and instant chat presence.Built-in Applications: Includes features for basic call center routing, mobile softphone integration, and remote office maintenance