Siemens S450 Setup

Setup for Multi-User Accounts - If You 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 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

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
6. Under 'DTMF over VoIP Connections' ensure ONLY RFC 2833 is ticked - Click Set
7. You're done - Try calling 1571 and check the pressing of options is working for you