AT&T Unified Messaging (SM)
Additional Features for your AT&T Unified Messaging (UM) Mailbox
UM subscribers are offered a variety of options with their UM mailbox. On top of the included features a subscriber receives with their UM mailbox, AT&T also offers the following optional features that customers may add on to their account.
Residential
Residential Option Price Notes
Additional Phone Number (Alternate IDs) $2.95 per month
  • Alternate ID: The Alternate Identification feature allows calls to your other existing home landline telephone number to forward into the same mailbox as calls to your primary telephone number. While you may have an additional landline that you want to have answered, you want only one mailbox to check for messages.
  • Note: Call Forwarding Busy Line/Don't Answer (CFBLDA) is required to forward the additional telephone number into the same mailbox. Subscribers may have to purchase CFBLDA for the additional phone number. Complementary features such as Star Code Access to Voicemail (*98) and Message Waiting Indicator may be purchased to enhance your message retrieval experience.
Business
Business Option Price Notes
Additional Phone Numbers (Alternate IDs) $2.95 per month w/o Call Forwarding

$4.95 per month w/Call Forwarding in CA, NV and CT
  • Alternate ID: The Alternate Identification feature allows calls to your other existing business landline telephone number(s) to forward into the same mailbox as calls to your primary landline business telephone number. While you may have between 2-7 landlines that you want to have answered, you want only one mailbox to check for messages.
  • With AT&T Unified Messaging(SM) you have the option of purchasing up to seven (7) individual Alternate Identifications (Alt IDs) supporting up to 8 separate lines (including your primary) forwarding into a single mailbox.
  • Note: Subscribers may have to purchase Call Forward/Busy Line/Don't Answer for the additional phone number(s).
Additional Storage $4.95 per month for 50MB

$9.90 per month for 100MB
  • Initially, the storage capacity of the mailbox is 100MB. Storage can be added to the mailbox in increments of 50MB. Up to two increments can be added, for a total of 200MB of storage for the account.
Auto Attendant Mailbox (AKA: UM Director) $17.95 per month (TX, OK, AR, MO, KS, IL, IN, WI, MI & OH),

$19.95 per month (CA, NV AND CT)
  • AT&T Unified Messaging(SM) Director (UM Director) assists businesses by providing an automated attendant type service that routes callers to the right party.
Note: Installation charges may apply