KX-NT511X-B Panasonic KX-NS Series SIP Handset

The Panasonic KX-NT511X-B is a basic IP telephone designed for use with Panasonic’s KX-NS series unified communications platforms. This single-line IP phone features a simple, functional design suited for general office use where straightforward voice communication is the primary requirement.

The KX-NT511X-B integrates with Panasonic’s KX-NS500 and KX-NS700 business communication servers, providing essential IP telephony functionality for small to medium enterprise deployments. The handset supports standard SIP-based communication and connects via standard Ethernet infrastructure.

This model represents Panasonic’s entry-level IP phone offering within their business telephony portfolio. While Panasonic has scaled back its business communications division in various markets, existing KX-NS installations continue to operate and require compatible endpoints for maintenance and expansion.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.