System and method for assuring connection of TTY telephone calls to a call center

A call center that handles TTY calls for the hearing impaired, said call center comprising:

• a modem bank that includes a plurality of modems wherein said modem bank is connected to a network and can transmit data from one of said plurality of modems over said network;
• a plurality of terminals that handle calls connected to said network;
• a call controller connected to said network and connected to a switching system;
• instructions for directing a first processing unit in said call controller to:
• receive a request from said switching system to connect an incoming call to said call center,
• determine which one of said plurality of modems in said modem bank will receive said call,
• transmit an identity of one of said plurality of modems to said switching system,
• determine which one of said plurality of terminals is available to handle said incoming call, and
• transmit an identity of said one of said plurality of terminals to said modem bank to direct transmission of data of said incoming call from said one of said plurality of modems in said modem bank to said one of said plurality of terminals;
• and
• a first media readable by said first processing unit in said call controller that stores said first instructions.