User manual

Aastra MBU 400 Administrator Guide 17
Introduction
Requirements
Before using the MBU 400 on your network, the following may be required
depending on your network connection:
• Broadband Internet connection – cable, DSL, or equivalent
• Internet Telephony Service Provider subscription – to make voice calls over your
Internet connection
• Analog telephone line subscription – to make ordinary phone calls (and
emergency calls) over the LINE port on the MBU (optional)
• In addition, before you start the installation process, the following may be
required:
— (optional) Wired Ethernet router or broadband modem for network and IP
connections
— (required) Power outlets for the MBU and the handset charger
— (optional) Telephone wall outlet used for landline telephony