Cisco Unified IP Phone 6921 is an innovative terminal device that supports two numbers and a full-duplex speakerphone, which can create a more efficient, flexible and easy-to-use terminal device experience. Cisco Unified IP Phone 6921 adopts a single number and a single call mode, providing a call experience similar to traditional phones, which can meet the needs of customers who want to provide such call functions for their users. Fixed buttons for hold, transfer and conference functions; and three-color LED lines and function keys make the phone easier to use. Cisco Unified IP Phone 6921 provides greater personalization support, with two color and two handset styles available. In addition, the display also supports right-to-left language display, which can meet the language localization needs of global customers. Cisco Unified IP Phone 6921 is also more energy-efficient and environmentally friendly, and can better support customers' green plans. Deep sleep mode can significantly reduce power consumption. In this mode, the Cisco Unified IP Phone 6921 consumes less power during non-office hours than when the phone is idle during normal working hours, up to 50%. In addition, recycled plastics provide a more environmentally friendly solution.
The Cisco Unified IP Phone 6921 is a cost‑effective enterprise voice device that supports two lines, a full‑duplex speakerphone, and a range of language displays. It offers features such as illuminated keys, a 396 × 81‑pixel monochrome display, PoE capability, and compliance with ADA and HAC standards.
The manual includes detailed hardware dimensions, weight options, power options, certification listings, ordering codes, and warranty information, helping installers and administrators configure and maintain the phone in various environments. This manual is written in Chinese.
| Display resolution | 396 x 81 pixels |
|---|---|
| Dimensions (H × W × D) | 164 × 188 × 205 mm |
| Weight (standard model) | 1031 g |
| Weight (slim model) | 940 g |
| Power over Ethernet | IEEE 802.3af PoE supported |
| Ethernet ports | Two 10/100BASE‑T RJ‑45 ports |
| Operating temperature | 0 °C – 40 °C (32 °F – 104 °F) |
| Storage temperature | -10 °C – 60 °C (-14 °F – 140 °F) |
It supports two lines.
Yes, it supports PoE via IEEE 802.3af.