Issue

Causes

Solutions

 

 

 

I cannot receive

1) The country

1) Check that you have

landline calls.

setting is wrong.

chosen the country

 

 

that you are in. Open

 

 

the System settings

 

 

menu, choose Country

 

 

selection, and then

 

 

choose the country that

 

 

you are in.

I cannot make Internet calls, the VoIP indicator on the MBU is not lit, and the right status indicator in the upper left cor- ner of the display is black.

1)

The configuration

1) Check that you have

 

of the phone is

configured your phone

 

not complete.

properly. Go to

 

 

www.aastratelecom.

 

 

com and then click

 

 

Configuration. For more

 

 

information, contact

 

 

your Internet Telephony

 

 

Service Provider or your

2) The MBU has not

System Administrator.

2) Reset the MBU and

 

been reset after

allow the MBU 2

 

you saved the

minutes to log in at

 

configuration.

your Internet Telephony

3)

The router uses

Service Provider.

3) Check that you have

 

port forwarding.

configured your router

 

 

so that it always assigns

the same IP address to your phone’s MAC address when using port forwarding. Otherwise incoming traffic is probably not forwarded to your phone. For more information, check your router’s manual.

Troubleshooting

MBU 400 Installation Guide 31

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Aastra Telecom MBU 400TM Issue Causes Solutions Cannot receive, Country Check that you have, You are, Information, contact