Howto:It is possible to connect a external device like outlook, and use other CTI devices with TAPI protocol. This I know is possible with standard H.323 devices from your own product portfolio.

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1. when doing an outgoing call (seen from api, lineMakeCall), then what happens is that the PBX will call the originating device (which will let the device ring) and once the user picks up will transfer the call to the real destination (as specified in the lineMakeCall). innovaphone devices will detect this situation and silently accept the call and go into handsfree mode. 3rd party devices obviously won't do that.

2. lineAnswer is only functional on innovaphone devices. you will always get an OPERATION_FAILED from tapi when trying to do this with a 3rd party device.

Some 3rd party devices fail to work conforming when a call transfer happens directly when the call is accepted. This is bad behaviour, but alas, it happens. So this needs to be tested if it is critical.

Everything else works fine. The application you mentioned (monitoring a device and doing something when the device rings) will work with any 3rd party device.

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