For whatever reason you need to change the mobile number on the account (disconnected, changed, transferred, sold),
Print a letter on the company letterhead, write to us asking to change the old number to the new number. Attached your Civil ID and company license with authorized signature. Send it by email ,
We will take care of the rest.
Note: you have option to create new account and move the senderid to it.
+ Do you have contracts/monthly sending limits?
+ How long does Sender ID registration takes?
+ How to register custom private Sender ID?