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General| Type | DECT telephone |
|---|---|
| Answering machine | No |
| Speakerphone | Yes |
| Phonebook capacity | - entries |
| Voice codecs | G.711, G.722, G.729 |
| Dimensions (WxDxH) | 235 x 208 x 80 mm |
| Networking features | Fast Ethernet |
| Security algorithms | HTTPS |
| Networking standards | IEEE 802.1x |
| Supported network protocols | IETF SIP, RTCP |
| Backlight color | White |
| Display resolution | 144 x 75 pixels |
| Display number of lines | 9 lines |
| Mounting type | Desk |
| Product color | Black |
| Storage temperature (T-T) | -50 - 70 °C |
| Operating temperature (T-T) | 0 - 50 °C |
| Operating relative humidity (H-H) | 20 - 90 % |
| Power supply type | 48V |
| Safety | CAN/CSA C22.2 No. 60950, EN 60950, UL 60950-1 |
| Certification | ROHS, WEEE (2002/96/EC), CE |
| Electromagnetic compatibility | FCC 15 B, ICES-003 B, AS/NZS 3548 B, EN55022 B, CISPR22 B, EN55024, EN61000 4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11 |
Weight and Dimensions| Weight | 940 g |
|---|
Lists the available guides for setup, user features, and administration.
Details the hardware and core functionalities of the 6755i IP Phone.
Lists the necessary environment and network setup for the IP phone.
Describes the phone's startup sequence and initial screens after connection.
Describes the phone's network connection status displays and troubleshooting tips.
Explains the default Idle screen and the initial configuration of programmable keys.
Identifies and describes the function of various keys on the IP phone.
Explains the 6 top programmable keys and their default functions.
Explains the 6 bottom softkeys and their role in call handling.
Details how to customize phone settings using the phone's interface.
Step-by-step guide to navigating and using the IP phone's user interface.
Explains how to customize phone options using a web browser interface.
Describes how to view phone status details using the IP phone's interface.
Provides steps to locate the phone's IP address required for web UI access.
Explains how to view phone status information through the Aastra Web UI.
Details how to configure ring tones and tone sets for the phone.
Explains how to adjust the LCD display's contrast level using the IP phone UI.
Describes how to configure the LCD backlight behavior (Off, Auto).
Explains how to enable/disable the Live Dialpad feature for immediate dialing.
Details how to configure audio modes (handset, headset, speakerphone) and mic volume.
Explains how to configure time, date, and their formats on the phone.
Guides on selecting the correct time zone for accurate time display.
Explains how to configure daylight savings settings for the phone.
Details how to configure time servers for automatic time synchronization.
Explains how to select the display language for the IP phone UI.
Provides steps to set or change the user password for phone security.
Details how to lock and unlock the phone to prevent unauthorized use.
Describes the behavior and status lights of line/call appearance keys.
Explains the 6 top programmable keys and 6 bottom softkeys.
Explains how to configure specific states for bottom softkeys.
Describes how to configure programmable keys or softkeys as line/call appearance keys.
Explains how to use speeddial with prefixes for long numbers.
Details creating speeddial entries by pressing and holding keys.
Steps to configure a key for the Do Not Disturb feature using the Aastra Web UI.
Steps to configure a BLF key using the Aastra Web UI.
Steps to configure a BLF List key using the Aastra Web UI.
Guides on how to log into and use ACD queues for call distribution.
Steps to configure a DCP key for intercepting calls on monitored extensions.
Steps to configure a GCP key for monitoring ring groups for incoming calls.
Steps to configure keys to access customized XML applications and services.
Steps to configure a key to launch XML applications via the Aastra Web UI.
Steps to configure a key to generate a flash event when pressed.
Steps to configure a key to activate specific server services using predefined codes.
Details static configuration for parking and picking up calls via Aastra Web UI.
Explains programmable configuration for Park/Pickup keys using Aastra Web UI.
Steps to configure an LCR key for Sylantro servers to redial the last caller.
Steps to configure a key for call forwarding functionality using the Aastra Web UI.
Steps to configure a BLF/Xfer key using the Aastra Web UI.
Steps to configure a Speeddial/Xfer key using the Aastra Web UI.
Steps to configure a Speeddial/Conf key using the Aastra Web UI.
Steps to configure a key to access enhanced features and services via the Aastra Web UI.
Steps to configure a key for accessing the phone's directory list using the Aastra Web UI.
Steps to configure a key for accessing the list of incoming calls using the Aastra Web UI.
Steps to configure a key for making intercom calls using the Aastra Web UI.
Steps to configure a key for locking and unlocking the phone using the Aastra Web UI.
Explains how to dial a number using the handset, speakerphone, or headset.
Details how to dial a number after viewing it on the display before the call is made.
Guides on using the handsfree speakerphone for calls, including audio mode settings.
Instructions for connecting and using a headset with the phone.
Steps to access and use the phone's redial list for recent calls.
Instructions for deleting all items from the redial list.
Guides on how to answer incoming calls using different phone modes.
Explains how to divert an incoming call directly to voicemail.
Details how to place an active call on hold and retrieve it.
Explains how to transfer calls using blind or consultative methods.
Explains local and centralized conferencing features.
Step-by-step guide to creating conference calls using local conferencing.
How to combine two active calls into a single conference call.
Information on centralized conferencing for specific server types.
Guide to creating conference calls using centralized conferencing.
Overview of the phone's personal phone book feature.
Steps to access the phone's directory list.
How to add new names, numbers, and labels to the directory.
Guides on how to modify existing entries in the phone's directory.
Procedures for deleting single or multiple entries from the directory.
How to save call information from display, caller list, or redial list to the directory.
Steps to download the directory list to a PC via the Aastra Web UI.
How to access the directory list from the phone's Services menu or Directory softkey.
Explains the display items and icons used in the Callers List.
Procedures to access and manage the list of incoming calls.
Instructions on editing entries in the Callers List, typically for adding prefixes.
How to delete individual items or all items from the Callers List.
Steps to download the Callers List to a PC via the Aastra Web UI.
Explains how to configure Do Not Disturb for specific accounts or all accounts.
Steps to configure DND modes (Account, Phone, Custom) via the Aastra Web UI.
How to enable/disable DND using the DND key on the phone.
Details how to manage DND settings for individual accounts using custom mode.
Explains how to configure call forwarding for accounts or all accounts.
Steps to configure Call Forward settings via the Aastra Web UI.
Explains the different modes (Account, Phone, Custom) for Call Forward key behavior.
How to configure Call Forward settings for accounts via the IP Phone UI.
Details managing Call Forward settings for accounts using custom mode on the IP Phone UI.
How to access and clear missed calls from the Callers List.
Steps to access and use the voicemail feature on the IP phone.
Information about using star codes for call handling and management features.
How to enable or disable DTMF playback suppression during dialing.
Explains how to enable or disable the display of dialed DTMF digits on the LCD.
How to enable or disable the call waiting feature to reject new calls.
How to enable or disable the playing of a call waiting tone for incoming calls.
How to enable or disable a stuttered dial tone for message waiting indication.
How to enable or disable an audible beep for incoming XML applications.
How to set the time delay between scrolling status messages on the phone.
Controls whether incoming calls interrupt the dialing process.
Controls whether the UI focus shifts to a ringing line during an active call.
Explains features for setting a preferred line and timeout for focus switching.
How the Goodbye key behavior affects incoming calls during an active call.
How to configure UPnP for mapping lines for remote phone connectivity.
Steps to configure UPnP mapping lines via the Aastra Web UI.
Overview of default incoming intercom call behavior and configurable parameters.
How to configure automatic answering and warning tones for intercom calls.
Controls whether intercom calls can interrupt active calls.
Steps to configure incoming intercom settings via the Aastra Web UI.
Steps to configure RTP streaming for receiving paging applications using the Aastra Web UI.
Details key states and LED behavior for SCA bridging.
How to make outgoing intercom calls if configured by the Administrator.
Feature to increment missed calls indicator for redirected calls.
How Administrators can create custom XML URIs for Callers List and Services.
Explains autodial features for automatically dialing numbers when off-hook.
Information on centralized conferencing for specific server types.
How to use Answer/Ignore softkeys for incoming calls during XML apps.
How to create an XML softkey for special characters in XML apps.
How to play WAV audio files streamed via HTTP.
How keys can be redirected to XML scripts for server-provided features.
How the Services Menu can be redirected to an XML script via the Options Key.
Details the features and capabilities of the M670i Expansion Module.
Details the features and capabilities of the M675i Expansion Module.
How to use the softkeys and function keys on the M670i and M675i expansion modules.
Troubleshooting steps if the phone's display is blank.
Troubleshooting steps if the speakerphone is not functioning correctly.
Explains the available services like XML apps, Callers List, Directory, and Voicemail.
Instructions on locating the phone's IP address.
Troubleshooting for the "No Service" message related to SIP settings.
Guides on changing the user password via the IP Phone UI or Aastra Web UI.
Explains the "Bad Encrypted Config" error and how to resolve it.
Details the conditions and damages not covered by the product warranty.
Information on how to obtain warranty repair services and contact details.
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