Deutsche Telekom Company Flex

Overview of the pascom managed Provider Template from Deutsche Telekom

Deutsche Telekom Provider Logo


Tariff in combination with pascom: Company Flex

Deutsche Telekom package specifications and tariff information can be found here. pascom phone systems (onsite and cloud) support only Deutsche Telekom business SIP Trunk tariffs.

1. Your Account

Once your Deutsche Telekom Company Flex has been activated, you will receive account data that are similar to below.

Telekom Company Flex

Your Deutsche Telekom credentials

Has one registration number and a Flex-ID for the registration.

Create SIP Trunk in Company Flex tariff

The basis for a Company Flex account is a SIP trunk. Whether a single number or an extension is defined is irrelevant.

Log in to the Business Service Portal and select your Company Flex contract. Then select the entry Configure Company Flex in the Drop-Down and click Next.

Business Service Portal

In the next menu, select the item Create Sip Trunk and create a Sip Trunk for your Company Flex tariff.

Create new SIP Trunk

2. Setup

Completing the Trunk Template

Add a new Deutsche Telekom SIP trunk under > > , which directs you the the SIP provider database. Using the filter, you can search directly for Deutsche Telekom templates. Select the Deutsche Telekom Company Flex template and add your account data / credentials to the template setup wizard.

Telekom Company Flex Clip no Screening

On the pascom telephone system there are 2 Telekom Company Flex trunk templates, which can be used once with clip no screening and once without clip no screening. If you have not booked the feature at Telekom, choose the template without Clip no Screening.

Telekom SIP Trunk Template

Fill in the Variables

Variable Description
Name Enter a name for the trunk, which will be displayed in the Trunks overview.
Flex Id Use the flex id from your registration data.
password Enter the corresponding password.
Number of registration Registration phone number (Registrierungsrufnummer) as found in the registration data.
number Telephony connection base / line number (Stammnummer) excluding extension number block e.g. the number displayed as XXXXXX in our example.
Prefix for incoming number Any digit which should precede all incoming calls via this trunk. For example entering 0 will mean that all inbound call numbers will be displayed in the call logs on IP Phones as 00172123123 instead of 0172123123. This enables the direct call back from the call history via this trunk.
Number of extension digits The digit length of User Extensions - NOT the number of digits in the number block
Extension for central Enter the internal extension number to which calls to the first number of your number block (normally 0) should be routed, i.e. to the switchboard / reception / AutoAttendant.


Fill Template

After pressing the trunk will be added.

3. Does your Trunk work?

To make sure that your data has been entered correctly and that the pascom PBX has successfully registered with your provider, click on the - on the at your trunk. Here you can see if the registration has worked. (registered).

Trunk registered

4. activate pascom Outbound Proxy (only Onsite)

For onsite telephony, the pascom Outbound Proxy is required for this provider. In the you will find the setting for which the Outbound Proxy should be activated.

Activate pascom Outbound Proxy

5. Define your Call rules

The trunnk is established and successfully registered. As a final step, you define your incoming and outgoing call rules to set the call behavior of your pascom telephone system.

We explain how to set up call rules in the Call Rules Tutorial