Extensions are the extension numbers configured on your system, which can then attached to Devices.

To Edit an extension, click the pencil on the right hand-side beside the extension you wish to edit.

Available settings are as follows:

Setting Description
Extension The extension number.
Password Used for SIP authentication.
User For future use.
Voicemail Password A numeric PIN for this extensions Voicemail box.
Device Provisioning Used to assign extensions to devices. Pick the line number, MAC address (or enter a new one) and the template to use.
Effective Caller ID Name Unused.
Effective Caller ID Number Unused.
Outbound Caller ID Name The number you want other people to see when called from this extension. Requires full international format (eg +442890786868).
Outbound Caller ID Number Unused.
Emergency Caller ID Name Unused.
Emergency Caller ID Number Unused.
Directory Full Name The name of the user associated with this extension.
Directory Visible Add the Directory Full Name to the telephone directory.
Limit Max Limit the maximum number of calls this extension is allowed to make.
Limit Destination Message to play when the max limit is reached (should always be set to error/user_busy).
Voicemail Enabled Enable voicemail for this extension.
Voicemail Mail To Email address to send copies of voicemail messages to.
Voicemail File Select how the voicemail will be attached to the email. We recommend using the Audio File Attachement option.
Voicemail Keep Local If set to false, the voicemail will be deleted from the extension after it is emailed.
Missed Call Sends an email when a call is missed.
Call timeout How many seconds before incoming calls are sent to voicemail, or disconnected.
Call Group Groups extensions together for call pickup.
Call Screen Allows the user to screen incoming calls.
Hold Music The hold music that this extension will use when placing a call on hold. If blank, it will use the default.
Advanced Additional advanced options. Should not be altered.
Enabled Enables/disables the SIP extension.
Description A description for this extension.

If you wish to add more extensions, you will need to contact your account manager.