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Stephen_Hicks_JCS

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xp "Another program is using the selected telephony device"

This is important as the client is getting "testy"

I have a client that has a HP DX2170 SFF desktop runing XP Pro sp3. He wants to use the COM1 port to connect to an external modem. I have disabled the internal modem as listed in Device Manager; note that the motherboard does not have an RJ11 port. If I try and access teh COM1 port via HyperTerm it says that "Another program is using the selected telephony device", and I can go no further. Ultimately, he wishes to setup the modem for the sending and receiving of faxes. The modem has worked perviously on another PC. There are no other comms packages on this PC.

My question is what is causing this error?
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nobus
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any reason he does not want to use the internal modem ?
Try to assign another COM-port to internal modem.
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Stephen_Hicks_JCS

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There is no plug hole for the RJ11 cable and according to the spec sheet for the motherboard, there is no internal modem.

Also, there is only COM1 on the motherboard.
ten i don't understand your post :"I have disabled the internal modem as listed in Device Manager; "
but probably the HP software tries still to start this device; check in startup items
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Member_2_2473503
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I do apologise for my original post.
I did get a bit confused.
There is no internal modem and XP does not recognise an internal modem.

Hyperterm recognises that there is an external modem but when I try to access it I'm given the message "Another program is using the selected telephony device"
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I disabled the so-called internat modem through Device Manager and the problem was solved