Terms and definitions in messaging

Multichannel messaging service is based on a variety of telecommunication and Internet technologies. In the description of services, we often use abbreviations that may not always be known to you. Here we have compiled a glossary of terms and definitions used in the industry.

Grey Route

A grey route is a route used for sending SMS and where the destination operator (on which the subscriber you are sending the messages is connected) does not get paid for the message. A grey route takes advantage of a legacy ‘sender keeps all’ policy in the GSM commercial framework, and although it is not regarded as fraudulent, it is frowned upon because it tends to be less reliable and is subject to immediate blocking by the Destination Operator.