Extension Settings


Your extensions, in the simplest term, are the list of handsets that can connect to your PBX.

To manage your extensions, on the navigation menu, click Extensions, followed by System.


To modify an extension’s settings, please click the edit icon (edit.jpg ) to the right of your target extension. You will be presented with the following options, detailed below






This is the extension number, which can be dialled from any phone on the PBX.


Display name for the extension. Certain handsets will display this when dialling internally (to another extension)


Email address for the extension user. Voicemail notifications will be sent here





Extension’s username, used when configuring your phones or softclients


Extension’s password, used when configuring your phones or softclients


The PIN number required for accessing Voicemail




Not used on a PBX level. Billing is calculated out and accessible in VoIP Commander






Provides options to restrict what phone numbers users can and can’t dial. The default is ‘Allow All Destinations’. Should you wish to impose restrictions, click Destinations, then Set Destinations Manually. To allow, deny or require a PIN for a destination, please select either Tick, Cross or Key for the corresponding destination




Enhanced Services

Please refer to Extensions, Enhanced Services


Simply a place to store any comments deemed necessary




Extensions - Advanced Options

To access the advanced options, edit or create an extension as detailed above, then click  at the top of the page. In the interest of keeping this document’s size down, fields available in both Advanced and Standard modes will not be rehashed.




General Options


This user’s device type. Default is Generic SIP


Alters the codecs available to the extension. Local defaults to High Definition codecs, Remote enables lower bandwidth codecs




User’s title. Eg., Mr, Mrs, Sir


Where the user is located (For reference only)


Allows users to be grouped by department (Sales, Support, etc.)

User Type

For SIP negotiation. Do not alter


Sets the type of tones that are sent. RFC2833 is default

RFC2833 Compensate

Tone compensation. Do not alter


Enables or disables this extension

In Manager Proxy

Used for API purposes. Do not alter

Show in Directory

Show or hide this extension from the PBX directory

T38 Passthrough

Negotiation protocol. Do not alter

Use RTP source address for T.38 packets (1.2):

Negotiation protocol. Do not alter


Network Related


Enables/disables network translation, Do not alter


Sip negotiation system. If you are having issues transferring calls, toggle this between Yes and No


For SIP negotiation. Do not alter


IP Locking. Do not alter

Default IP

IP Locking. Do not alter


Set Caller ID

Enable Caller ID. Default is Yes

Caller ID presentation

Changes the way Caller ID is passed to the call router. Do not alter

Hide Caller ID for Anonymous Calls

Changes how the PBX handles anonymous caller ID. Do not alter

Ringtone for local calls

Play a specific ringtone for calls from other extensions. Refer to your handset manufacturer’s guide for valid entries

Only Allow Trunk CallerID within DID range:

Changes the way Outbound Caller ID is handled. Do not alter


Call Properties

Ring time

How long should an incoming call ring before reaching voicemail (seconds)

Incoming Dial Options

Set the flags for incoming calls here. For more information, see Dial Flags

Outgoing Dial Options

Set the flags for outgoing calls here. For more information, see Dial Flags

VoiceMaster PIN

Not used



Call Group

Set the group numbers calls to this extension will be part of

Pickup Group

Set the group numbers this extension can pick up calls from, using *8



Primary, Secondary, Tertiary Trunk

For use with secondary carriers.

Override System LCR

Defines trunk routing settings. Unless advised to do so, do not alter


Call Control

Incoming Limit

Set the number of simultaneous calls this extension can receive

Outgoing Limit

Set the number of simultaneous calls this extension can make

Play Sound on Exceeded Limit

Play a notification sound if either limit is reached

Send Email on Exceeded Limit

Send a notification email if either limit is reached

Notification Email

Email address for the recipient of exceeded limit notifications (if set to yes in Send Email)





Alternate method of authenticating extensions. Not used


Alternate method of authenticating extensions. Not used





Should this voicemail box be enabled

Greeting Mode

If your Voicemail is turned on, you can set this option to yes to play a greeting and then a busy sound

Send Email

Should a notification email be sent when a voicemail is left. This address also defines where attachments are sent

Pager Email

When a voicemail is left, this address will receive a notification email

Greeting Message

Which message the caller will hear when reaching this voicemail (Unavailable or Busy)

Skip Instructions

Caller will hear the greeting message, followed by a beep, bypassing the ‘To finish recording, press 1 or hangup’ prompt


If Send Email is enabled, attach the voicemail to the email as a WAV file

Delete After Emailing

If attach is enabled, the message will be deleted after the attachment has been sent

Say CallerID

When switched on, when checking voicemail, a from {Phone Number} message will be heard

Allow Review Mode

When on, the caller can review, delete and re-record their voicemail by pressing #

Allow Operator

Allows the caller to access an operator extension by pressing #, 0

Operator Extension

The extension number calls will be transferred to when the caller exits voicemail with #, 0

Play Envelope Message

When checking voicemail, plays ‘Received on {date} from {caller}’ message

Hide From Directory

Hide your extension from the directory or BLF (extension status) list

Rings to Answer

Number of rings before voicemail answers the call

Voicemail Delay

The amount of time to wait between answering the call and playing the message


Alter the voicemail box timezone



Speakerphone Page Auto-Answer SIP Header

This field defines what is sent to the phone on a Page command (Automatically answer and play the message over speaker)

Device Type

Select your handset/device in this list, or custom to enter a new string

Custom Header

String to use when Custom is set in Device Type





Select which codecs are enabled. Supported are G711.u, G711.a (High Quality), G.729 & GSM (Low Bandwidth)

Force Codec on Outbound Trunk

Force outgoing calls to use this codec


Do not alter




Record Calls

Enable PBX level call recording for all calls to this extension


Do not play the recording alert tone

*By law, all callers need to be advised their call is being recorded



Auto Provisioning – Not Used




Presence Enabled

Allow this extension to report its current state (ringing, busy, idle) for use with BLF and status monitor devices

Global Presence

Allow this extension to report its current state across multiple PBXs (not generally recommended)




Extensions – Enhanced Services

Enhanced services allows you to define special features for the particular extension you are editing. To access enhanced services, click the  icon next to your target extension, then click . You will be presented with the following list, detailed below. Features can be enabled or disabled using the tick, cross or PIN required (where applicable) radio buttons and any applicable modifications using the edit button. Note that edit will only show up after you have enabled a feature and clicked save.






Caller ID

Override the extension’s usual caller ID. NB: This won’t have any effect if a caller ID is set on your trunk

System/Network ID: The ID that will be shown on internal calls

Trunk ID: The ID that will be shown on external calls

Privacy: Block your number from being displayed

Call Pickup

Allow extension to pick up a call in its call groups by using *8


Last Caller

Enables dialling *149 to hear your last caller. Redial with 1


Call Filters & Blocking

Route specific or anonymous calls to another destination

Caller Number: Number to route

Destination Type: The target of the route

Destination: When call forward or voicemail selected, send to this extension/voicemail number

Do Not Disturb

Pass all calls to voicemail or call forward for a specific amount of time

Do Not Disturb: Temporary to enable, not active to disable

Destination: The type of target

If call forward, enter the destination number in next box

Duration: Amount of time to use this rule

Personal IVR

Allows for basic IVR functionality at an extension level.

When someone calls that extension, one will be presented with a choice:

1. Announce your name and all destinations will ring

2. Leave a Voicemail to the called extension

If the caller presses one and timeout is reached, caller will be prompted to leave voicemail

Destinations answering the call will be presented with the following:

Press 1 to connect the calls

Press 2 to force the caller to voicemail

Press 3 to transfer the call elsewhere

Press 4 to record a temporary unavailable message, which will then play and direct the caller to voicemail

Destination: Use the green add button to place one or more extensions here

Timeout: Amount of time to ring extensions before going to ‘Last Destination’

Dial Options: Specify Dial Flags here. (Can be found under Call Flags)

Greeting: Specify a sound file to be played to the caller upon connecting

Pause Before Playing: Delay the playing of the recording. Useful if the caller hear ‘….come’ instead on welcome.

Last Destination: Extension that the call will default to

Is Voicemail: Direct the call straight to the voicemail for that extension.

Call Forwarding

Forward all calls to specific destinations based on;

Unconditional – Always forward

Busy – Forward if line is occupied

No Answer – Forward if not answered by timeout

Line Unavailable – Forward if the extension is unreachable (eg. Offline)

Add a destination using the green add button. The destination field should contain the target number. Timeout is the amount of time to call it for.

Play Call Forward Message: Announce that the call is being forwarded

Allow ES CallerID: Use the CallerID set above

Follow Me

Sequential Call Forward to all destinations entered. Will call each destination until timeout is reached, then move to the next.

Add a destination using the green add button. Destination should contain the target number, timeout the ring duration.

Dial Options: Enter flag here. See call flags.

Last Destination: Where the call will go after unsuccessfully trying all destinations.

Group Hunt

Simultaneous Call Forward to all destinations entered. Will call all destinations until timeout is reached, then go to last destination.

Add a destination using the green add button. Destination should contain the target number.

Dial Options: Enter flag here. See call flags.

Last Destination: Where the call will go after unsuccessfully trying all destinations.

Speakerphone Page


Dial simultaneous extensions, and if supported, they automatically place the call on speaker

Enter target destinations. If speakerphone isn’t supported, the target phone will just ring.

Directory / BLF List

Used to set which extensions you would like to monitor using the busy line field indicator on your phone (if applicable)

Use the green add button to add an extension to monitor

Speed Dial


Setup speed dials to specific extensions, accessed by dialling *130XX (XX is the speed dial number)

Use the green add button to create a speed dial.

Code: two digit speed dial code

Speed Dial Name: Display name for the speed dial

Destination: Target destination of the speed dial.

CSV Upload: Upload a speed dial list from a CSV. (code,name,description)

Monitor Queues

Enable monitoring of queues from supported applications

Tick box enables the application to monitor the specified queue

Web Callback

Enables Symbian S60 based phones to act as external agents

Contact Support for more information on setting up.

Instant Recording


Start instant recording at any time during a call

Silent: Do not play the alert tones signifying call recording

Email: Attach and send the recording as email after the call

Delete Recordings

Allows the extension to delete call recordings from their CDR on the web interface


Listen to Recordings

Allows the extension to listen to recordings from the web interface


Remote Access

Allow the extension to access the system from remote locations. (Must have a remote access destination set in an IVR)

Use the green add button to authenticate using caller ID. (You can also require a PIN)

Require Extension PIN: Allow any caller ID, as long as they have the extension PIN.

Timeout: amount of time to call a target number

Dial Options: Set flags for the outgoing calls. See call flags

Call Monitoring

*199 XXX

Allow this extension to monitor calls made by other extensions

Use the add extension button to add a new extension to monitor

Extension: The target extension number

Quiet Mode: Play alert tones

Permission: Require a PIN or deny monitoring

Monitor Options: Listen only, whisper (only talk to the extension), barging (can talk to both parties), all (choose which monitoring based on each call. 4- Listening, 5- Whispering, 6- Barging)

Phone Callback

Allows you to call into the system, which will then check your Caller ID, hang up and dial you back on the specified number. NB: You need a DID set specifically for callback

Add a number with the green add icon.

CallerID: The number your call will come from

Number: The number the system should call you on

Monitor Conferences


Enables the extension to listen in on conference XXX

**XXX enables you to speak to the parties involved

*0 (after **XXX) will place you back in listen only mode

Operation Times


Allow this extension to enable or disable system level operation times


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