diff --git a/CTI---Computer-Telephony-Integration.md b/CTI---Computer-Telephone-Integration.md
similarity index 87%
rename from CTI---Computer-Telephony-Integration.md
rename to CTI---Computer-Telephone-Integration.md
index b9a5e52..0f918b5 100644
--- a/CTI---Computer-Telephony-Integration.md
+++ b/CTI---Computer-Telephone-Integration.md
@@ -4,7 +4,8 @@
 
 ## Outgoing: Click2dail
 
-Supported via an URL (Administration >> Applications >> Address Book > Site configuration: Telephone Integration) since a long time.
+> Supported via an URL (Administration >> Applications >> Address Book > Site configuration: Telephone Integration) since a long time.
+
 You can either set an URL (and optional popup size) provided by your phone system or one supported by your browser eg. a ```tel://%1``` URL, which are used for each phone number it shown in EGroupware.
 
 EPL: adds support via the REST APIs of various telephone systems, see Incoming CTI.
@@ -25,6 +26,8 @@ Please [call EGroupware GmbH](https://www.egroupware.org/en/contact) for a demon
 
 > Placetel integration happens between the EGroupware server or cloud and the Placetel cloud, no need for any configuration on the users workstation. Plus a single support point for EGroupware and your Placetel phone system :)
 
+To configure the integration you need the credentials of your Placetel (test-)account, then log into EGroupware with an administrative account and go to Administration >> Applications >> EPL-Feature: CTI / Computer Telephone Integration. We're happy to provide you with a Placetel test-account and guide you through the process.
+
 ### EPL & Asterisk: automatic CRM view, call history and calendar integration via Asterisk REST API
 
 Asterisk integration uses the ARI (Asterisk REST API) to talk to the Asterisk server and receive call events to show an automatic CRM view and record calls. Asterisk can not call a webhook for incoming and outgoing calls, but uses a websocket connection with ARI. Therefore you need to install an event forwarder to connect to ARI via a websocket and forwarding call events to EGroupware's webhook. The event-forwarder is available as container or NodeJS script which can run any server having access to the Asterisk and EGroupware server (including both of them):