Direct messaging from your PC

Web SMS with GTC - easy to handle

GTC Web-SMS makes sure you reach your recipients wherever they are without having to type a single word into your mobile phone! You comfortably enter your message on your PC – your recipient gets it directly as a text message on their phone. Or automate your processes: with the web or e-mail-interface a text message will be automatically sent once a predefined event occurs.

Online customer area


After logging yourself into the secured costumer area, you can send messages, change your sender-ID or set up and maintain your own address book.

You start by entering the text to be sent.  One message can contain up to 160 characters (The number of characters will be displayed). The recipient’s number can be entered manually – or via the address book function with just one click.


We record all feedback from each provider in detail. By using GTC Web-SMS, our secured website will give you access to your order list including all transmitted SMS messages and their status.



Automated connections

Use the web-service or an email-interface for your automated connections, e.g. for sending important service messages to your technicians in case of system failures. Everything can be customized easily according to your individual needs. A message will be automatically forwarded to a desired recipient group, once a predefined event occurs. Without delay and fully automated.


We record all feedbacks from each provider in detail. Our automated services provide you with detailed reports: via web-service or back-mail.





Martina Assenmacher

Ingram Micro Pan Europe GmbH

"The sending of our newsletter takes only a few minutes – nevertheless it is handled in a very professional way. We are not in need of additional software and do not have to enter a long term commitment. That’s how we stay flexible. Furthermore we really appreciate the support of the attentive GTC-employees."


Uwe Streb

Festina Uhren GmbH

"The customer service gave us great advice. Now we are getting much more out of our actions, can make campaign comparisons and achieve exactly what we want."


Jürgen Klein


"GTC is our long-standing partner for sms and e-mail boradcasting and is very reliable. Thumbs up."


Bettina Holz

X-PERION Consulting AG

"Our employees are on the road throughout Germany, partly even in Europe. A regular coordination is essential here. We are completely independent with GTC central meeting: all participants are dialing themselves in via telephone. It doesn’t matter, where the participants are. Even the dial-up from abroad happens at low costs, due to international access numbers."


Edgar Augel

Stadtmobil carsharing AG

"E-mailings created with the template editor look great. In addition, our mailings now always adapt to the size of the receivers with responsive design. Fantastic."


Roland M. Rupp

Schweizerischer KMU Verband

"The service at GTC leaves nothing to be desired. Also the simple operation, the evaluation and the multilingual menu is great."


Christof Korr

CreditPlus Bank AG

"An sms will not be overlooked. Therefore, sms-mailing is our choice when it matters. With GTC, we have found a professional, with which everything runs great. And what is especially important to us is that all data remain in Germany."

Among our satisfied customers
Datev grossKlett-Cotta großBosch großCewe colorDHL großFestinaAachen Münchener großCosAG großDeguDent großLawinen-Warndienst Bayern großSVS großWeka großIngram großIvacare Aquatec großAmnesty International großDer deutsche Wirtschaftsbrief großX-perion groß
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