Javascript is deactivated and some parts of the website will not work. Please activate Javascript.
Cooperations providers

In addition to the classic on-premise model, estos products are increasingly being used in provider scenarios. For sending SMS with the ProCall client, we work together with different SMS providers in Germany and Austria.


Deutsche Telefon Standard AG(D)

Deutsche Telefon, founded in 2007 and based in Mainz, is the specialist in professional SIP communication and one of the leading suppliers of network telecommunications systems.

Rheinstr. 4h, Fort Malakoff Park, 55116 Mainz, Germany

Telephone +49 (800) 58 02 008

Fax +49 (800) 53 32 008 

www.deutsche-telefon.de

message people GmbH(D)

Message People GmbH is a specialist services provider and technology partner for the processing of mobile services and individual mobile projects. 

Altmarkt 12, 08523 Plauen, Germany

Telephone +49 (3741) 289 289 0

Fax +49 (3741) 289 973


www.message-people.de

Peter Rauter GmbH(A)

The company has been providing its customers with fast and simple communication for over 10 years. Its product portfolio includes telephone systems, VoIP telephony / VoIP providers, Internet providers and more.

Bahnhofstrasse 11, A-5202 Neumarkt am Wallersee, Austria

Telephone +43 (6216) 57 210

Fax +43 (6216) 5843

www.rauter-it.at

QSC AG(D)

QSC AG is a specialist services provider and technology partner for the processing of mobile services and individual mobile projects. Data centers in Germany and its own broadband network ensure maximum data security.


Mathias-Brüggen-Strasse 55, 50829 Cologne, Germany

Telephone +49 (221) 66 98 000

Fax +49 (221) 66 98 009 

www.qsc.de

toplink GmbH(D)

toplink GmbH marketed the first VoIP products that we now know as cloud-based telephone systems back in 2005. The link-up of "classic telephony" (PSTN) is also being revolutionized by a SIP trunk interface. As a service provider, the company establishes efficient business communications.

Robert-Bosch-Strasse 20, 64295 Darmstadt, Germany

Telephone +49 (6151) 62 75 200

Fax +49 (6151) 62 75 299 

www.toplink.de

Vodafone D2 GmbH(D)

Vodafone GmbH is a German subsidiary of the British mobile phone company the Vodafone Group. In Germany, it offers mobile telephony, DSL, LTS, fixed line telephony and IP TV. Vodafone operates a nationwide land line concentration network based on classical ISDN technology and also, in parallel, as an IP-NGN network via VoIP.

Am Seestern 1, 40547 Düsseldorf

www.vodafone.de

whatever mobile GmbH(D)

The owner-managed company was founded in 2002 and is based in Hamburg. whatever mobile acts as a technical services provider and solutions supplier for national and international clients. In the field of mobile telephony, it is developing new channels of communication and marketing.

Alter Teichweg 23, 22081 Hamburg, Germany

Telephone +49 (40) 888 808 0

Fax +49 (40) 888 808 19 

www.whatevermobile.de

Register. Build up expertise and know-how. 

Increase the success of your business. Use the estos partner program and get a better grip of your business. Registration to become an estos reseller is the first step towards joining our program. Following successful registration, you will receive more detailed information about our training courses, including the programs and our next dates, as well as general information about the certification process. 

Register here today!