Hi Phillip,

I think that this is what you are looking for:

For an individual user;

Changing Your Message Addressing Setting

Cisco Unity provides two ways to address messages to other subscribers by using your phone keypad:

�Spell a subscriber name.

�Enter a subscriber extension.

You change the message addressing setting that Cisco Unity uses by default only from the Cisco Unity Assistant, not by phone. Depending on how Cisco Unity is set up, you may be able to switch between spelling and number entry by pressing ## when you are prompted to address a message over the phone�regardless of the message addressing setting that you choose in the Cisco Unity Assistant.

To Change Your Message Addressing Setting

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Step 1 In the Cisco Unity Assistant, on the Preferences menu, click Phone Menu.

Step 2 On the Phone Menu Preferences page, in the When Addressing a Message Let Me Identify a Subscriber By section, click the option that you want to use as the default for messages that you send.

Step 3 Scroll to the bottom of the page, and click Save.

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Or to change for a default setting;

Subscriber Template Conversation Settings

The standard subscriber conversation is a set of prerecorded instructions and options that Cisco Unity plays over the phone to subscribers when they listen to, send, and manage messages, and as they change their Cisco Unity settings. Note that Cisco Unity also offers an alternative to the standard conversation conversation.

Subscribers > Subscriber Template > Conversation Page

**Identify A Subscriber By**

Select how subscribers address messages to other subscribers. Subscribers can address messages over the phone by entering subscriber extensions, by spelling their first names, or by spelling their last names. Addressing by name requires lettered keypads on subscriber phones.

In the subscriber conversation, subscribers can switch between addressing by name and addressing by extension by pressing the # key twice. Note that when the Enable Spelled Name Search check box is unchecked on the System > Configuration > Settings page, subscribers can address messages over the phone only by entering subscriber extensions.

Hope this helps!

Rob