Cortelco 2757 manual Package Contents, Features

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1Introduction

1.1 Package Contents

Thank you for purchasing the Cortelco 2757 Voice over Internet Protocol (VoIP) phone. The following items should be packed with the 2757. Please contact your dealer if any of them is missing.

2757 Phone (Main Body) Handset

Handset Cable

Network Cable

Desk Stand

1pcs

1pcs

1pcs

1pcs

1pcs

1.2 Features

The 2757 is a sophisticated, state-of-the-art VoIP phone system. Instead of using conventional phone lines, it uses IP data to make and receive calls over the internet. Here are some of the features of the 2757.

•Multi-protocol support: The 2757 supports multiple network protocols for communication and management. Among the protocols supported are TFTP, FTP, RTP, SNTP, HTTP, SIP, DHCP, PPPoE, and Telnet.

•Quality of Service (QoS) Support

•Headset and speakerphone for hands-free operation.

•Standard numeric keypad (0-9, * and #) with built-in DTMF tone generator allowing access to on-line banking services, voice mail systems, etc.

•Large, clear display

•Ergonomic handset

•Five speed-dial keys

•Configuration via web browser or telnet

•Firmware upgrade via FTP or TFTP

•Built-in Ethernet switch: Allows a computer to be connected through the phone.

•Silence suppression, echo cancellation, and dynamic jitter buffer for better voice quality.

•Caller ID display (where available)

•Supports IEEE 802.3af Power over Ethernet (PoE): When connected to a PoE provider, the 2757 can be powered via the Ethernet cable and does not require a power adapter.

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Contents VoIP Phone Users Guide Table of Contents 10.1 Recover from Unsuccessful Firmware Update Features Package ContentsBasic Setup Page Static IP Address Network SetupPage Described above to enter the subnet mask PPPoE Page Page Page Dhcp Page Display IP Address Network Setup Web ConfigurationWeb Interface Network Configuration Page Page SIP Server Information Setup Page Page Page SIP Server Information Setup Web Configuration Page Accepting phone calls Accepting and Making Phone CallsIn-Call Options Transfer TrfrAttended Transfer Blind Transfer 2.2 3-wayPage Making phone calls LineHold Caller ID on Call Waiting Calling History Received Calls Missed CallsPlaced Calls Unanswered CallsPlacing Calls Call Rejection DNDReceiving Calls Speakerphone and HeadsetHeadset Speed DialCall Forwarding Advanced SettingsRing Volume Handset Volume/Handsfree Volume/Headset VolumeForward Timer End of Dial KeyNTP Server Address Entry of Call Forward numbers from phoneSet Time Zone Web Interface Phone Book ManagementPhone Interface Page LCD screen Browse System InformationClick ‘Status’ Page Change Display Language Change Ringer Type Adjust the Contrast of LCD Screen Page Reboot the IP Phone Click on ‘Management’ Factory Reset Click ‘Management’ Change Password for the Web Interface Troubleshooting Upgrade Procedure Firmware UpdateRecover from Unsuccessful Firmware Update

2757 specifications

Cortelco 2757 is a classic business phone that has gained popularity for its robust performance and reliable features. Designed primarily for office environments, the Cortelco 2757 is an ideal choice for businesses looking to enhance their communication efficiency.

One of the standout features of the Cortelco 2757 is its ergonomic design. The phone is equipped with a comfortable handset that allows users to hold conversations for extended periods without experiencing discomfort. Its durable construction ensures longevity, making it a cost-effective investment for any business.

The Cortelco 2757 supports both analog and digital communication technologies, allowing it to be compatible with a wide variety of phone systems. This flexibility makes it suitable for small businesses as well as larger enterprises that may require a more complex telecommunications setup.

A key characteristic of the Cortelco 2757 is its user-friendly interface. The phone features an intuitive keypad that allows users to easily navigate through its various options and functionalities. The presence of customizable speed dial buttons enables users to save frequently dialed numbers, greatly enhancing productivity and making communication more efficient.

The Cortelco 2757 is equipped with adjustable ringer volume and tone controls, providing users with the ability to tailor their phone’s settings to meet their specific needs. This feature is especially beneficial in busy office environments where background noise can often interfere with phone calls.

Additionally, the Cortelco 2757 includes features such as a conference call function, allowing for seamless multi-party conversations. This capability is vital for teams that need to collaborate efficiently without the hassle of arranging separate calls.

Another significant attribute of the Cortelco 2757 is its reliability. The phone is known for maintaining clear audio quality, ensuring that conversations are crisp and free from interruptions. This aspect is critical for business communications, where clarity can make all the difference.

In conclusion, the Cortelco 2757 is a versatile and dependable telephone suitable for a wide range of business applications. With its combination of ergonomic design, user-friendly features, and reliable performance, it remains a popular choice for organizations looking to streamline their communication processes while enjoying the durability that they expect from a traditional phone. Whether for small offices or large commercial operations, the Cortelco 2757 proves to be a solid telecommunications tool.
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