Line Keys, Programmable Keys, and Softkeys

Busy Lamp Field (BLF) Key

The BLF feature on the IP phones allows a specific extension to be monitored for state changes. BLF monitors the status (busy or idle) of extensions on the IP phone.

Note:

The BLF setting is applicable to the Asterisk server only.

Example

A Supervisor configures BLFs on his phone for monitoring the status of a worker’s phone use (busy or idle). When the worker picks up his phone to make a call, a busy indicator on the Supervisor’s phone shows that the worker’s phone is in use and busy.

On the 6735i, the busy and idle indicators show on the IP phone screen display next to the key programmed for BLF functionality. When the monitored user is idle, an icon with the handset on-hook shows next to the BLF key. When the monitored user is on an active call, a small telephone icon is shown with the handset off-hook.

Note:

You can also use a BLF configured key to dial out. Contact your System Administrator for more information

Configuring a BLF Key

Aastra Web UI

Use the following procedure to set a key to function as "BLF". The procedure shows the softkey screens as an example.

1.Click on Operation->Softkeys and XML. or

Click on Operation->Programmable Keys. or

Click on Operation->Expansion Module <N>.

Softkeys

2.Select from "Key 1" through "Key 20".

3.In the "Type" field, select BLF to apply to the key.

4.In the "Label" field, enter a label to apply to this key.

5.In the "Value" field, enter the phone number or extension you want to monitor.

6.In the "Line" field, select a line for which to apply this key. Valid values are:

•global

•1 through 9

7.In the state fields, check (enable) or uncheck (disable) the states you want to apply to this softkey.

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Aastra Telecom 6735I manual Busy Lamp Field BLF Key, Configuring a BLF Key
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6735I specifications

The Aastra Telecom 6735i is a robust and versatile VoIP phone designed to enhance communication in various professional environments. As part of Aastra’s established family of IP telephones, the 6735i stands out due to its advanced features and user-friendly interface.

One of the primary characteristics of the Aastra 6735i is its support for multiple VoIP protocols, including SIP (Session Initiation Protocol), making it compatible with a wide range of IP-based telephony systems. This capability allows businesses to integrate the phone seamlessly into their existing infrastructures, providing flexibility and scalability.

The 6735i features a large backlit display, which not only enhances visibility in varied lighting conditions but also simplifies navigation through its menus. The phone supports up to eight lines, with each line equipped with a dedicated LED indicator for quick status recognition. This multi-line capability is essential for professionals who handle multiple calls simultaneously, ensuring efficiency and productivity.

In terms of sound quality, the Aastra 6735i incorporates high-definition voice technology, providing crystal-clear audio for both callers and recipients. This feature is particularly beneficial in environments where clarity is crucial, such as in customer service or technical support roles.

The phone is equipped with a variety of programmable keys, which can be customized to suit individual user preferences or specific business needs. These keys can be used for speed dial, call transfer, or conference calling, streamlining communication processes.

Another significant feature of the Aastra 6735i is its support for Power over Ethernet (PoE), allowing for easy installation without the need for separate power adapters. This connectivity option simplifies deployment in office spaces and reduces cable clutter.

Furthermore, the Aastra 6735i is designed with eco-friendly technologies, including energy-saving features that reduce power consumption when the phone is not in active use. This commitment to sustainability aligns with modern business practices and corporate responsibility.

In summary, the Aastra Telecom 6735i is a powerful VoIP phone that boasts a combination of sophisticated technology and user-centric design. With its multi-line support, high-definition audio, customizable features, and PoE capability, it is an ideal choice for organizations seeking to enhance their communication capabilities while ensuring a user-friendly experience. The Aastra 6735i is a reliable solution for businesses aiming to improve efficiency and productivity in their telephony operations.
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