Aastra MBU 400 User Guide 23
Getting Started
If your MBU 400 has not yet been configured for internet calls, you will see this
message on the handset screen:
If you try to initiate a VoIP call, you will see the disconnected screen:
Configuration information can be entered through the handset, or by the System
Administrator using a web browser. See the Aastra MBU 400 Administrator Guide
for details of web configuration menus.
Configuring the Phone Using the Handset
In order to configure your phone using the handset, you need the Domain Name and
SIP Proxy information from your Internet Service Provider (ISP). If a PIN code has
been set by your System Administrator, you will also need the 4-digit PIN code.
To configure your phone using the handset, do the following.
1. In Idle mode, press OK z(the black circular button) to display the Main Menu.
2. Select Settings and press OK z.
3. Select VoIP settings, and press OK z.
4. If prompted, enter the 4-digit PIN code and press OK z.
5. Select Accounts and press OK z.
Specify the Domain and the SIP proxy:
6. Select Domain, and press OK z.
7. Enter the domain name provided by your ISP, and press OKz.
8. Select SIP Proxy and press OK z.
9. Enter the domain name or IP address of the SIP proxy, if it is different from the
domain name in Step 2.
10. Press OK z.
Note: If you have more than one VoIP account, you must repeat the procedure
above for each account. You can have up to 8 phones registered with the MBU 400
gateway, and up to 8 VoIP accounts.
11. Select a SIP account, and press OKz. Valid values are SIP 1 through SIP 8.

Configure SIP

domain

Disconnected
Connection error...
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