Do you have a question about the Aastra 55i IP Phone and is the answer not in the manual?
Details the key hardware and software features of the 55i IP phone.
Details the necessary environment and system requirements for the 55i IP Phone.
Provides basic installation and physical setup instructions for the 55i IP Phone.
Explains the automatic start-up sequence when the 55i IP phone is connected.
Displays the phone's status when it is not in use, showing line, name, date, and time.
Describes the screens displayed when the phone connects or fails to connect to the network.
Identifies keys on the phone panel and their corresponding descriptions.
Details the 6 top programmable hard keys and their default functions.
Explains the 6 bottom programmable state-based softkeys and their capabilities.
Explains how to customize phone settings using the phone's interface.
Presents options available if the system administrator configures a simplified menu.
Details how to access and customize phone options through the Aastra Web UI.
Describes how to view network, LAN, PC port, and firmware status on the phone's LCD.
Provides steps to locate the phone's IP address required for accessing the Aastra Web UI.
Details how to view network status, MAC address, hardware, and firmware information via the Web UI.
Explains how to configure ring tones and select country-specific tone sets.
Explains how to adjust the LCD display contrast level using the IP Phone UI.
Describes how to set the LCD backlight status to always ON, OFF, or Auto.
Explains how to enable or disable the Live Dialpad mode for automatic dialing.
Allows setting the audio mode (Speaker, Headset) and headset microphone volume.
Covers configuration of time, date, time zone, and daylight savings.
Details how to select and set the display language for the phone's UI and Web UI.
Explains how to change the user password to enhance phone security.
Procedure to reset the user password to the factory default if forgotten.
Instructions on how to restart the phone to apply updates or resolve issues.
Explains how to lock the phone to prevent unauthorized use or configuration.
Describes how to set emergency numbers for quick dialing in urgent situations.
Explains the 4 hard line/call appearance buttons and their status light behaviors.
Details the 6 top programmable keys and 6 bottom softkeys and their configuration options.
Explains how to use a configured key to dial numbers quickly.
Explains how to configure specific states to display when a softkey is used.
Explains how configured softkey functions appear on the LCD display.
Details the DND feature for enabling/disabling 'do not disturb' status.
Explains how to set a key to monitor extension status (busy or idle) via BLF.
Describes the BLF List feature for subscribing to monitored users via BroadWorks.
Instructions to create a speeddial key using the IP Phone UI.
Procedure to set a key to function as a speeddial using the Aastra Web UI.
Explains the XML feature for accessing customized XML menu services.
Explains DCP/GCP features to intercept or pick up calls on monitored extensions.
Describes the ACD feature for distributing calls from a queue to registered IP phone users.
Explains the feature to park and pick up calls, with static and programmable configurations.
Explains the LCR feature for Sylantro servers to redial the last received call.
Describes the Services key for accessing XML, Caller List, Directory, and Voicemail.
Explains the Directory key for accessing and managing the phone's contact list.
Describes the Callers List key for accessing logs of incoming calls.
Explains the Intercom key for connecting with remote extensions and answering intercom calls.
How to set a softkey or programmable key to force a blank entry on the IP phone display.
How to set a softkey to force a blank entry on the IP phone display.
How to configure a key on the IP Phone to use as a lock/unlock key.
Instructions on how to dial a number using the handset, speakerphone, or headset.
How to dial a number before lifting the handset or initiating a call.
Explains how to use the handsfree speakerphone for calls without using the handset.
Details on how to use a headset with the 55i IP phone.
Explains how to use the Intercom key to connect with remote extensions.
How to redial the last number dialed or access the redial list.
How to use the Mute key to mute the microphone during calls.
Instructions on how to answer an incoming call using handset, handsfree, or headset.
How to send an incoming call directly to voicemail without answering it.
Instructions on how to place an active call on hold using the Hold key.
Explains Blind and Consultative transfer methods for calls.
Describes two methods of conferencing: Local and Centralized.
Explains the default method for creating conference calls with up to 3 parties.
Enables multiple conferences with unlimited participants via server configuration.
How to end an active call by pressing the Goodbye key or placing the handset on hook.
Your personal phone book for storing and dialing contacts.
A log of incoming calls, storing number, name, and call attempt history.
Explains how to connect to a voicemail server and manage messages.
Allows incoming calls to be forwarded to another destination based on set modes.
Tracks and displays the number of missed calls on the phone's idle screen.
Information about star codes for call handling and extension management features.
How to enable or disable DTMF playback suppression for dialed numbers.
How to enable or disable the display of DTMF digits on the IP phone's LCD.
How to enable or disable the call waiting feature to automatically reject new calls.
How to enable or disable playing a call waiting tone when a caller is on an active call.
How to enable or disable a stuttered dial tone when there is a message waiting.
How to enable or disable an audible beep when receiving XML applications.
Allows setting the time delay between scrolling status messages on the phone.
How to allow incoming calls to interrupt dialing or ignore them.
Feature to configure Goodbye key to drop or ignore incoming calls during an active call.
How to enable UPnP to allow devices to auto-configure on a network.
How to configure the Message Waiting Indicator (MWI) for specific or all lines.
Describes features for handling incoming intercom calls via Aastra Web UI.
How to place outgoing intercom calls using the Icom button.
Feature to increment missed calls indicator for redirected calls.
How System Admin can specify XML URIs for custom Callers List and Services applications.
How to configure autodial feature for automatic dialing when off-hook.
Supports centralized conferencing for Sylantro and Broadsoft servers.
How to answer or ignore incoming calls during an XML application.
How System Admin can create XML softkey for special characters in XML apps.
Enhancement to Hold feature for servers supporting RFC3264.
Details the 536M module with 36 softkeys and LEDs for call status.
Details the 560M module with 60 softkeys, function keys, and LCD display.
How to use the 536M Expansion Module, including configuring and labeling softkeys.
Troubleshooting steps for a blank phone display, checking power and accessories.
Solutions for speakerphone issues, checking audio mode and settings.
Steps to resolve issues with no dial tone, checking connections and installation.
Troubleshooting steps for a phone that does not ring, checking volume settings.
Information on Visual Message Waiting service requirements for the indicator light.
Troubleshooting steps for a non-functional handset, checking cord connection.
Explains IP phone services like XML Applications, Callers List, Directory, and Voicemail.
Reference to the section on finding the phone's IP address.
Information on resolving the 'No Service' message, related to SIP settings.
Instructions on changing the user password via IP Phone UI or Aastra Web UI.
Explanation for 'Bad Encrypted Config' error, related to encrypted configuration files.
Procedure to restart the IP phone via IP Phone UI or Aastra Web UI.
Explains how to lock the phone to prevent unauthorized use or configuration.
Lists conditions and damages not covered by the Aastra Telecom warranty.
Information on how to obtain warranty repair services, including contact numbers.
A comprehensive list of time zone names and their codes for setting the phone's time.