3.3.2End of Dial Key

When enabled, the ‘#’ key will force immediate dialing.

3.3.3DTMF Type

This controls the method by which DTMF tones are delivered. The correct method will depend on the target application. For example, many IVR systems will require In-Band tone.

3.3.4RFC2833 Payload Type for DTMF

The RTP payload value for DTMF. This is usually set to 101.

3.3.5Handset Volume/Handsfree Volume/Headset Volume

Allows adjustment of send and receive levels. Numbers from 0 to 8 are allowed. Higher numbers are louder.

3.3.6Ring Volume

Allows adjustment of ringer level. Numbers from 0 to 10 are allowed. Higher numbers are louder.

3.3.7Silence Suppression

When enabled, the 2757 will not transfer data when there is no voice detected from the microphone. This can be useful to reduce the required network bandwidth. However, it can cause the voice quality to degrade.

3.3.8Ring Tone Type

The 2757 offers 5 different ringtones.

3.3.9Voice Codec

The 2757 supports G.711 and G.729 codecs. Normally, the service provider will furnish this information.

3.3.10 Forward Timer

This is the amount of time in seconds before a call is forwarded if Call Forward – No Answer is activated.

3.3.11 Do Not Disturb

This performs the same function as pressing the DND button.

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Cortelco 2757 End of Dial Key, Dtmf Type, 4 RFC2833 Payload Type for Dtmf, Handset Volume/Handsfree Volume/Headset Volume

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.