The fresh designed Teledex D100S5U is a part of the D Series Analog Corded Phones with 1 Line,  5 GSK, MW, Spkr, USB in color Ash.

Features:

• Single and Two-Line Telephone 
• Optional USB charging ports (2)*
• Optional Speakerphone – Hands-free conversations*
• Patented OneTouch voice mail retrieval*
• Guest Service Keys – Up to ten for access to hotel services
• Hidden Programming Key – Eliminates arbitrary reprogramming of autodial keys
• ADA Handset Volume Boost – Three (3) distinct levels, compliant with HAC/VC and FCC requirements
• Raised Red Message-Waiting Lens – Easily seen from any area in the guestroom
• Message-Waiting Circuitry – Message Waiting will activate on high or low voltage; Guarantees operation of up to 7 phones for suite applications, with an extra-bright message-waiting lamp
• Mute Key – Deactivates microphone during speakerphone and handset calls; a red LED indicates activation** 
• Speaker On/Off Key – With red LED for easy speakerphone activation*
• Electronic 3-way Call Conference Function with LED indicator for convenient multi-line conversations***
• Hold Key – Places the active line on hold so the second line can be used or a conference call initiated***
• Hold Release Detection Circuit – Releases calls on hold when line is accessed by any telephone
• Redial Key – Automatically redials the last number dialed (most models) 
• Flash Key (most models)
• Textured Finish – Provides durable resistance against scratches and smudges
• Full-Length Paper Faceplate – Allows user-friendly customization
• Desk or Wall Mountable – Provides placement flexibility
• Available in Ash or Black
• Case: 10
• *Speakerphone models only
• **Not available in single-line basic or lobby phone
• ***Two-line only