T-Mobile help!!

One of our customers office number is coming across as 'Survey Call' on T-Mobile cell phones. I know with certainty it's with 'T-Mobile' phones. I don't have another contact on another network that I know I can try. How do we get that fixed? Thanks for any suggestions! -- Regards, David Funderburk GlobalVision 864-569-0703 For Technical Support, please email gv-support@globalvision.net GlobalVision is a communications company that provides services which includes Internet, internal and external networks with over 25 years experience. With our Zero Downtime strategies we help companies increase up-time and decrease lost productivity and costs. -- This message has been scanned by E.F.A. Project and is believed to be clean.