Call time reminder for Treo 650

I need a ver simple program for my Treo 650 (Palm OS 5) I need that everytime im in a call, the software beeps every N seconds to remind me how much time I have spent on that call, for example if I configure the beep every 60 seconds, so when 1 minute passed then beeps, on the 2nd. minute beeps again, and so on... The seconds must be configurable ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform It must run on Palm OS 5 and specifically on a Treo 650