Setting up IP telephony locally

Here’s how IP telephony works

Make calls with IP telephony using the Internet instead of the telephone line. VoIP and SIP-enabled devices, and software clients, allow you to make both voice calls and video calls.

Do you want to use IP telephony locally?

  1. Set up your router. 
  2. Set up your IP-enabled telephone or your VoIP client.

Repeat steps 1 and 2 for each new device.

Setting up your router

Internet-Box

Make sure you are connected to your home WLAN.

  1. Type http://internetbox.swisscom.ch or 192.168.1.1 into your Internet browser. 
  2. Select “Telephony” from the menu. 
  3. Turn on Expert mode. 
  4. Select the “Local IP telephony credentials” tab. 
  5. Select “Add new credentials”. 
  6. Select the chosen device and the internal number from the list. 
  7. If you have multiple phone numbers, you can choose which to use for outgoing and incoming calls. 
  8. Choose a user name and password. 
  9. Click on “Save”.

Make a note of your user name and password. You will need these details in order to finish setting up the device.

Centro Business

Make sure you are connected to your home WLAN or LAN cable.

  1. Type 192.168.1.1 into your Internet browser. 
  2. The user name is: admin 
  3. Enter your personal password. 
  4. From the menu, go to VoIP  Basic settings (VoIP).
  5. Choose the correct phone number and select “Change”. 
  6. Set a new password under “Password authentication”. 
  7. Click on “Save”.

Make a note of your user name and password. You will need these details in order to finish setting up the device.

Setting up your IP telephone and VoIP

Please note: You must set up your router before setting up an IP-enabled telephone or a VoIP client.

Zoiper

  1. Open the Zoiper app. 
  2. Go to Setting  Accounts. 
  3. Click on +. 
  4. Select “Yes”. 
  5. Select “Manual setup”. 
  6. Select “SIP account”. 
  7. Enter these details. 
  8. Click on “Register”.

FAQs

Is there a limit to the number of devices you can have enabled for IP telephony?

You can have up to 10 access devices per fixed network number.

The setup is not working – what can I do?

Contact our free support.

Can I also use IP telephony outside my home?

Local IP telephony only works if the devices and VoIP clients are directly connected to the Swisscom router in your home.

If you want to use your fixed network number worldwide, you will need SIP credentials.

Which devices are suitable for IP telephony?

There are a number of SIP and VoIP-enabled devices and clients. Visit a Swisscom Shop to choose from the selection available.

Get support

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