Classical GPO 1938S Duke Telephone

About the GPO Duke

GPO is dedicated to providing premium, retro inspired products that blend classic design with modern functionality.

The GPO Duke, inspired by early 20th century design, adds a touch of classic style to any environment. The elegant Phone features traditional elements such as a convenient pull out note pad tray, a durable high quality finish, and a classic coiled handset cord.

The GPO Duke is now offered in both Analogue and SIP Versions.

The rising popularity of SIP Phones make them a perfect fit for the Hotel and Hospitality Industry.

The Analogue Version provides reliable home landline functionality, whilst the SIP Version delivers advanced features for Hotel and Hospitality Sectors including Dialling Keypad Logo customisation and a Speed Dial Key, as well as global compatibility and pre-configuration to match existing Hotel setups.

Security is paramount, and GPO SIP Hotel / Hospitality Telephones feature robust security measures, including secure web login authentication and easily accessible online firmware upgrades, ensuring guest and network protection. These telephones also deliver significant cost savings through internet-based (VoIP) calls, reducing setup and maintenance expenses. Furthermore, they enhance guest satisfaction by facilitating easy communication with staff.

Both the Analogue and SIP Version combine the classic features and aesthetic's with a Black and Brass finish and push button dialling, whilst leveraging the benefits of SIP technology within cloud-based IP networks.

Features

• Choice of Connectivity -  Available in both Traditional Analogue and Advanced SIP Versions
• SIP - Specifically Designed for Hotel and Hospitality Sectors
• Universal Analogue Compatibility - Works Seamlessly with Modern Telephone Banking and Home Networks Including BT and Virgin
• Customisable SIP Dialling Keypad -  Personalise with Logo / Design and Speed Dial Key
• Simplified SIP Integration - Effortless Setup with Leading Hospitality IP-PBX and SIP Systems
• Durable Construction - Built with High Quality, Robust, Premium Grade Materials for Lasting Durability
• Firmware  - SIP Version - Easily Upgrade / Update Firmware Via a Web Interface
• Classic 20th Century Design, Pull Out Notepad Tray
• Traditional Cloth Handset Curly Cord, Rubber Feet
• Push Button Dialing

Technical Specifications (SIP)

• RJ45 Cable Allowing IP Connection - Calls are Connected Via Wi-Fi
• Auto Provisioning, Ongoing Support Available, Online Firmware Updates
• IP Address Auto Announcement from Handset
• Codec - G.711a/u-low/G.723/G.729
• Network Protocol - Telnet / http Server / DNS Client
• PPPoE / Static / DHCP Client IP Assignment
• WAN Port - 10 / 100 Ethernet Connection, RJ9 Handset
• ToS Field / VLAN IEEE 802.1 p/q
• SIP - SIP V1 (RFC2543) SIP V2 (RFC3261)
• Security - Web Login Authentication for Web Setup
• MD5 for SIP Authentication (RFC2069/ RFC2617)
• Voice Quality - CNG (Comfortable Noise Generator)
• LEC Line Echo Canceller -  Jitter Buffer
• Optional Power Adapter (Not Included) 100-240 VAC Output 6V/1A
• VAD Voice Activity Detection - Packet Loss Compression
• EMI USA - FCC Part 15B,D ICES-003 EU - EN 55022
• EMC EU - EN 55024, EN 61000-4-4, EN 61000-3-2, IEC 61000-4-5
• EN 61000-3-3, IEC 61000-4-6, EN 61000-4-2, IEC 61000-4-11
• RoHS - Comply with Directive 2002/95/EC RoHS (2005/613/EC)
• Weight - 1.15kg
• Dimensions - 23cm x 16.5cm x 18.5cm