Dial Plan

Extension Numbering

IP Office Basic Edition systems can be configured to use either a 2-digit or 3-digit numbering for user extensions.

•If 2-digit numbering is selected, the extensions are numbered 10 to 57. This numbering cannot be changed. In 2-digit mode only 48 extensions are supported.

•If 3-digit numbering is selected, the extensions are numbered from 100 upwards. This numbering can be changed in the range 100 to 579 using system web management. In 3-digit mode a maximum of 100 extensions are supported.

•In both cases, those extensions not matched by physical ports are automatically assigned as phantom extensions.

•The system numbering mode can be changed through the phone based administration menus,

Special Dialed Numbers

The following can be dialed after selecting an Intercom or call appearance button or simply going off hook.

Function	Number	Description
Operator	0	Dials the first extension in the system.
Extension Pickup	6	Answer the call alerting at another extension. Dial 6 followed by the extension number.
Group Pickup	66	GroupDial 66 followed by the pickup group number (1 to 4).
Line Pickup	68	Answer the call alerting on a particular line. Dial 68 followed by the line number.
Loudspeaker	70	Makes a call to the extension configured as the system's Loudspeaker Paging extension.
Calling Group	7	Group calling. Dial 7 followed by the calling group number (1 to 4).
Operator Group	75	Operator group. This is supported only on systems with their System Mode set to PBX System.
Modem Port	76	Modem port. Used for remote access for configuration.
Hunt Group	77	Dial 77 followed by the hunt group number (1 to 6).
Voicemail Access	777	Connects the extension to the extension user's own mailbox.
Remote Voicemail	778	Connects the extension to prompts to specify the mailbox required.
Auto Attendant	78	Auto attendant numbers. See the section Auto Attendant Numbers below.
Idle Line Pickup	8	Dial 8 followed by the line number (01 to 64).
ARS Selector	8	Seize an available trunk in the ARS selector group (65 to 99). This is supported only on systems with their System Mode set to PBX System.
External Call	9	Key System: Start an outgoing external call without first selecting a line appearance button. The line used is automatically selected Automatic Line Selection. PBX System: Optional external dialing prefix. The use of 9 can be removed or swapped with 0 (the operator number).
Intercom Call	*	Prefix * in front of an internal number will attempt to make an intercom voice signal call where the caller can speak over the destination's phone speaker. If the destination cannot auto answer, the call becomes a normal call.
Simultaneous Page	*70	Make a page call to both the users in Calling Group 1 and to the extension configured as the system's Loudspeaker Paging extension.

Auto Attendant Numbers

Dialing the appropriate number shown in the table below allows recording and playback of the matching auto attendant prompt. It is important to remember that callers always hear two prompts, a greeting prompt and then a menu prompt. In addition that may also hear the emergency greeting first if it has been activated.

	Auto Attendant
Greeting Prompts	1	2	3	4	5	6	7	8	9
Morning Greeting	7811	7812	7813	7814	7815	7816	7817	7818	7819
Afternoon Greeting	7821	7822	7823	7824	7825	7826	7827	7828	7829
Evening Greeting	7831	7832	7833	7834	7835	7836	7837	7838	7839
Out of Hours Greeting	7851	7852	7853	7854	7855	7856	7857	7858	7859
Emergency Greeting	7861	7862	7863	7864	7865	7866	7867	7868	7869
Action Prompts
Morning Menu	7841	7842	7843	7844	7845	7846	7847	7848	7849
Afternoon Menu	7871	7872	7873	7874	7875	7876	7877	7878	7879
Evening Menu	7881	7882	7883	7884	7885	7886	7887	7888	7889
Out of Hours Menu	7891	7892	7893	7894	7895	7896	7897	7898	7899
Auto Attendant Access	7801	7802	7803	7804	7805	7806	7807	7808	7809

The Auto Attendant Access numbers allow internal access to an auto attendant. Calls can be transferred to these numbers.