Terminal emulator add in for HP QTP 11

Hi,
We are trying to automate our application(running in HP Tandem server) using QTP 11. We use IBM PCOM emulator to access our application. We found out that we need TERMINAL EMULATOR addin for QTP to support/recognize our application.
Does anyone know where can I locate this addin? Is there a website where this licensed s/w is available?
If yes, what would be the cost? Also let me know if you have any other suggestions.
Your quick response on this would be really helpful. Thanks in advance for your support.
Thanks,
Karthik Venkatraman