1. On the Siemens handset press: Menu, 5, 7, 2, [enter the default PIN 0000] - Press OK

 

2. Select Great Britain - Press OK

 

3. Select Voipfone - Press OK

 

4. You'll be asked for 'Authent. Name' - please enter your Voipfone account number and the extension you wish to setup- with a star in between. It will look

something like 30040041*200. You can login here to check the different extensions. Press OK when done.

 

5. You'll then be asked for 'Authent. Password' - please enter the password for the extension you are setting up. You can check the password here Press OK again.

 

6. You'll be asked 'Start assistant for Gigaset.net?' - please select 'No'

 

7. Please go back to the main screen - just press the red hang-up button a few times.

 

8. Your phone should now be working - try calling 155

 

Siemens S450 Setup for single user accounts - if you don't use our PBX service

 

1. On the Siemens handset press: Menu, 5, 7, 2, [enter the default PIN 0000] - Press OK

 

2. Select Great Britain - Press OK

 

3. Select Voipfone - Press OK

 

4. You'll be asked for 'Authent. Name' - please enter your Voipfone account number - it's 8 digits and starts 30.

 

5. You'll then be asked for 'Authent. Password' - please enter your Voipfone account password - it's usually 6 digits.

 

6. You'll be asked 'Start assistant for Gigaset.net?' - please select 'No'

 

7. Please go back to the main screen - just press the red hang-up button a few times.

 

8.You should find it now works - try calling 155

 

Changing the default DTMF Mode

 

If you're having problems accessing voicemail or IVR menus, you will have to change the default DTMF Mode:

 

1. On the Siemens handset press: Menu, 5, 5, 6, [enter the default PIN 0000] - Press OK

 

2. Make a note of the IP you see on the screen, disregarding any starting zeros. For example -

If you see 192.168.001.002 - note down 192.168.1.2. If you see 010.000.000.002 - note down 10.0.0.2.

 

3. Visit the IP address you see in a web browser on your computer, Internet Explorer for example. It should look something like this in your address bar: http://192.168.1.2

 

4. You'll be prompted for your System PIN - Enter 0000 and click OK

 

5. Navigate through, Settings, Telephony, Advanced Settings.

 

5. Under 'DTMF over VoIP Connections' ensure ONLY RFC 2833 is ticked - Click Set.

 

6. You're done - Try calling 1571 and check the pressing of options is working for you.