Calling Features

Mute

Mute

Mute allows you to block audio input for your handset and speakerphone, so that you can hear other parties on the call but they cannot hear you.

Mute Phone

Procedure

Step 1

Press the Mute button

to turn mute on.

 

Step 2 Press the Mute button again to turn mute off.

Plus Dialing

Plus Dialing allows you to press and hold the “*” key for at least 1 second to add a plus “+” sign as the first digit in a phone number for international dialing. It applies only for off-hook dialing.

Dial international number

Procedure

Step 1 Press and hold the “*” key for at least 1 second.

The + sign is entered as the first digit in the phone number.

The corresponding tone stops to indicate that the * has changed to a + sign.

Step 2 Dial the international number.

Redial

Redial allows you to call the most recently dialed phone number by pressing the Redial button.

Redial Number

Procedure

To redial a number, press the Redial button .

You can be off-hook or on-hook when you press this button.

 

Cisco Unified SIP Phone 3905 User Guide for Cisco Unified Communications Manager 8.6

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Cisco Systems 3905 manual Mute, Plus Dialing, Redial
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3905 specifications

Cisco Systems has long been at the forefront of networking technology, particularly noted for its range of VoIP (Voice over Internet Protocol) solutions. One such offering is the Cisco 3905 Unified IP Phone, designed with the enterprise in mind. This dependable and feature-rich phone optimizes communication and collaboration in various business environments.

The Cisco 3905 is part of Cisco’s Unified IP Phone Series, offering a sleek design that complements modern office aesthetics. It features a monochrome display, simplifying navigation and usage. The phone supports a wide range of audio codecs, ensuring high-quality voice calls even in bandwidth-constrained environments. Its ergonomic design allows for ease of use, featuring a comfortable handset and intuitive button layout.

One of the primary characteristics of the Cisco 3905 is its ability to seamlessly integrate into the Cisco Unified Communications Manager environment. This integration provides businesses with a powerful platform for managing voice, video, and messaging services within a single framework. Additionally, the device is equipped with Power over Ethernet (PoE) capabilities, which enables it to receive power via the Ethernet network cable, eliminating the need for an additional power supply and streamlining installation.

The Cisco 3905 also emphasizes security, with built-in features including encryption for voice traffic and secure call signaling. This is increasingly vital in a world where data breaches can lead to significant operational risks.

For users requiring flexibility, the Cisco 3905 supports a range of call features, such as call waiting, call forwarding, and conferencing, facilitating efficient communication. It has programmable keys that can be customized for specific functions, allowing users to tailor the phone's functionality to their workflow.

Alongside robust voice capabilities, the Cisco 3905 remains a cost-effective solution for businesses needing reliable and feature-rich communication tools. It caters especially well to organizations with standard communication needs, allowing staff members to connect effortlessly and effectively.

In summary, the Cisco 3905 Unified IP Phone brings together essential features, security definitions, and user-friendly controls, making it an ideal choice for many enterprise communication environments. Its integration with Cisco's broader communications ecosystem ensures that businesses can maintain high levels of connectivity and productivity in an increasingly digital workplace.
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