Created by Mario 4.12.2025 / It has not yet been proven that it works this way.

InfoAllgemein gültige technische Details zum iWay SIP-Trunk finden Sie hier: https://wiki.iway.ch/kb/wiki/VoIP_Telefonie/Konfigurationen/Telefonanlagen,_PBX_-_Neue_Infrastruktur#Allgemein_g.C3.BCltige_technische_Details_zum_iWay_SIP-Trunk

Ubiquiti UniFi Talk

This installation guide explains how to create a SIP-Trunk in you UniFi Controller and add a iWay phone number.

If you are unsure how to access your UniFi-Controller, please refer to the

instructions/information in the Help Center provided by the manufacturer.

Prepare iWay profile

Preparation

Access your UniFi Controller over its IP address or through https://unifi.ui.com.
Make sure that UniFi Talk is installed and up to date.
Open the application "Talk".

Create iWay profile

Navigate to the submenu "Settings" (gear icon) in the left navigation.
Choose "Platform".
Click on the "configure" link below Third-Party SIP.

Enter fields

Now, choose the option Custom in the "Provider" field.
Set the "Provider Name" as iWay.

Then go to the "Add Field" tab and add the following parameters:

proxy
realm
username
auth-username
password
register
context
expire-seconds
sip-force-expires

Once you have added all fields, you can confirm by clicking "Done".

Number registration

You can find the iWay configuration data in the customer portal under "Phone numbers" → "Phone number overview".

Click on the desired phone number to view the configuration data (within the "SIP-Data" card).

proxy: sip01.iway.ch

realm: sip01.iway.ch

username: Main number of the trunk

auth-username: SIP-Username

password: SIP-Password

register: true

context: default

expire-seconds: 30

sip-force-expires: 30

Define destination country and phone number

Click the "Select Countries" button, select Switzerland and confirm your selection by clicking "Save".

Now enter the iWay phone number to be registered in the "Phone Numbers" field (in the national format 0441234567)

and confirm the entry by pressing the Enter key.

Add IP address range

To ensure that incoming calls from the iWay server can be delivered to UniFi Talk, you must enter the following

ACL entries:

178.250.134.100 / 24

ImportantSave the entry you made by clicking "Apply Changes" and restart both the "Talk" application and the UniFi Phone Touch.

System Settings

Inside the "System" menu, you can make Adjustments to improve the quality of the calls.

Codec

Please choose the option "PCMA" in the "Audio-Codec" dropdown-menu.

Testing

Now test your VoIP phone by making both an incoming and outgoing call.

Telefonanlage: Ubiquiti UniFi Talk

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