The Cisco Unity Express network module is fully self-contained with dedicated onboard processing, memory, and storage, allowing for efficient message management, a range of concurrent sessions, simultaneous processing, and ample voice-mail storage capacity for a wide range of typical branch-office profiles. The Cisco Unity Express Network Module with Enhanced Capacity supports up to 16 ports of concurrent voice-mail or automated-attendant sessions and up to 250 voice mailboxes (with Release 2.3).