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Hello. When using [TELNET COM Port Control option(RFC 2217)], both CSE-H20 and ezVSP have to be configured to use the option. Please check if CSE-H20 is using the option. So that figure the reason of your problem out, we need some information. It will be great if you give us more information like the below. 1. System diagram 2. Version of ezVSP and your O/S Including some screenshots would be very helpful. Thanks, in advance. Have a nice day. > blast wrote: > ------------------------------------ > My application use windows standard modem 9600 bps via EzVSP port. > After (working) remote call, my application hangs up phone line but in EzVSP (2.3b) COM port remains still open for about 5 minutes and CPU use raise to 100% during this time. > > EzVSP COM port settings are: "TCP Client" "Telnet Com Port Control Option" and "Keep Alive" > > Any hints? > Regards >
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