--- title: Nfon slug: voice-german/nfon docTags: createdAt: 2024-03-19T21:52:44.761Z --- ### Step 1 - install CTI Data Connector - TAPI Link ### Download at [Install CTI Data Connector - TAPI Link on the local PC](docId:8AhWgo_AFKmGC3vmmk_qq) ### Step 2 - install NsoftPhone for Windows Download **NsoftPhone for Windows** (not CRM version) - [http://www.mynfon.com/de/downloads/](http://www.mynfon.com/de/downloads/) During installation you have to select to use: NsoftPhone **Premium** Once the installation is done, open the *settings screen* and ensure that the field *Outside line* is **empty**. ![](https://helpserver.biz/onlinehelp/cdc/sf/5.0/help2000/images/nfon-softphone-premium.png) ### Required Call Center settings for Nfon The following settings are required in the Call Center Adapter •Outside Prefix = **0** •Incoming Call - Truncate Prefix = **0;#01;#1** Depending on group option the phone number can be signaled as #0 to #99. You have to define all possible formats used and check the option: *Do not truncate long distance prefix*. See [Call Center - Dialing Options](docId:6JTOnYQs3X6rhPNjjPVOe) ![](https://helpserver.biz/onlinehelp/cdc/sf/5.0/help2000/images/hmfile_hash_a190ec10.png) •For SoftPhones no Login ID is required. Only if you mix SoftPhones and Desk Phones, you need to use the Login ID also for Softphones. It is the Salesforce ID (E-Mail address) •If you are using **Desk Phones**, you have to enable the option to use an own Login ID. • After configuring the handdsets, open a ticket in the Support Center with the following information •Direct extension of the Desk Phone. If you configured several Desk Phones specify all extension numbers •Nfon user number ID starting with K •Each Desk Phone needs a unique Login ID. It is possible ot use the Nfon user number (number with K). **For security reasons a 20 digit ID is recommended which is known only to you. Generate ID (external Web service). **Provide this ID in the ticket for each Desk Phone •Once you get the the Desk Phone activated from support add the Login ID in the user record :::hint{type="info"} If by mistake the standard version was installed, an upgrade to the Premium version is possible. [Details in N-Fon help](https://www.mynfon.com/handbuecher/software/windows/handbuch-nsoftphone-standard/d-inbetriebnahme/3-einrichtung-des-endgeraets-in-der-anlage/32-nsoftphone-premium-upgrade/) :::