How to use "Super Subnumber+"to send and receive short messages?

The usage of "Super Subsign+"to send and receive short messages is as follows: 1. Send short message with secondary number: add 1 183348 before the called number of the short message, and the incoming call of the called short message will be displayed as the customer's secondary number. 2. Send SMS with the main number: Send SMS directly to the called number, and the caller ID of the called SMS is the customer's main number. 3. The secondary number receives the short message: the number displayed by the short message caller has the prefix 1 183348, indicating that it is a short message sent to the secondary number of the client. 4. Receiving SMS at the main number: the caller ID number of SMS has no prefix 1 183348, which means that it is a SMS sent to the customer's main number. Click on "official website" Customer Service 2 17 below for more service offers.