voice mail to the actual called number instead of forwarded number

Unanswered Question
Nov 4th, 2009

I have got the manager assistance. Whenever a user calles the manager 5020 this has been forwarded to the assistance (5010) it works fine. when the caller calls the manager it gives one rings and then it rings the assistance phone if assistance does not receive the call it goes to voice mail of assistance. please let me know what need to be done if assistance is not there and the call is for manager it should go to the manager mail box (5020) as the caller dialed the managers number.

Please let me know what need to be done for CUE or cucm.


Lal Mohammad

I have this problem too.
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rob.huffman Wed, 11/04/2009 - 11:17

Hi Lal,

In Unity 5.x and above you can config Unity to use the "Last Redirecting Number" on a Call Forward or "Originally Dialed Number"

Route Forwarded Calls by the First or Last Redirecting Number

Cisco Unity supports the option of routing calls based on either the first or last redirecting number when a call is forwarded to Cisco Unity.

Note the following:

This option requires Cisco Unity-CM TSP 8.1(2) or later.

This option is not supported by integrations through PIMG units.

This option can be changed through the Advanced Settings Tool (AST), which is available in Tools Depot.


Call Information Exchanged by the Phone System and Cisco Unity

The phone system and Cisco Unity exchange call information to manage calls and to make the integration features possible. With each call, the following call information is typically passed between the phone system and Cisco Unity:

•The extension of the called party.

•The extension of the calling party (for internal calls) or the phone number of the calling party (if it is an external call and the phone system supports caller ID).

•The reason for the forward (the extension is busy, does not answer, or is set to forward all calls). There is also a reason code for Direct Calls.

Cisco Unified Communications Manager SCCP and SIP trunk integrations can also provide the following call information (the choice of first and last redirecting number is set in the Advanced Settings Tool, which is available in Tools Depot):

•Called number

•First redirecting number

•Last redirecting number


Note Cisco Unity can use either the first redirecting number or last redirecting number, depending on the setting in the Advanced Settings Tool, which is available in Tools Depot.


You can check this for CUE;

**Mailbox selection (OCN or LRD) in your case use OCN

This configurable option specifies the mailbox to be used in case of call forward.

Mailbox selection: Mailbox in which an incoming voice message is stored. The options are original called number (OCN) or the last redirected number (LRD). LRD is the default option:)

Check out Page 88 of this good doc;


Hope this helps!



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