There are two ways of having a low-volume announce-only line in UniBears: subscribing to the Announcement Service or by setting rules to create an announce-only mailbox.
| What | Announcement Service | Announce-only Mailbox |
| Description: | CNS-created announcement-only mailbox | Customer-created rule to create an announcement-only mailbox |
| Price | $3.37 / month | $10.22 / month (VME or UM rate) |
| Created by | CNS has to set the Announcement service | Customer creates the rules after CNS has set up the Voicemail Enhanced or Unified Messaging service |
| Name and Greeting | customer can record name/greeting and change passcode | customer can record name/greeting and change passcode |
| Receive Voicemail | customer cannot receive voicemail messages in this mailbox (neither through direct calling nor by another UniBears customer pressing [4] to send) | customer can receive voicemail messages in this mailbox when another UniBears customer presses [4] to send a message to this number, or if number is part of another customers "group" |
| Attendant Operator | caller can press 0 to speak to an operator | caller cannot press 0 to speak to an operator |
| Telephone Access | customer can access mailbox by calling phone number and pressing * or by calling the UniBears access number | customer can access mailbox only by calling the UniBears access number |
| Web Access | optional | required |