Unable to perform consult and transfer a call on lync client


we experiencing failure in performing consult , transfer call on lync client or through lync client api scenario below:

1->lync client got incoming (audio) call , answered it, put on hold;

2->lync client made new direct (audio) call lync client b, , got answered b;

3->on lync client a, options under "current conversations" greyed out, i.e. call not 'complete transfer';

if ran our application using lync api, 'false' api call 'avmodality.caninvoke(modalityaction.consultandtransfer)', i.e. it was not allowed perform 'complete transfer'.

we have other lync clients able perform transfer, , 2 machines never work on transfer. lync clients of same latest version, , machines running have same system (windows 7 sp1). have tried swap users log in. tests have showed not lync users. two 'transfer failure' lync clients never work no matter lync user log in, , the other 'good transfer' lync clients work no mather user log in. reinstalling lync client didn't either.

can provide helps or guidelines for us to detect or resolve issue?

we've found out issue. that seems windows login user. haven't yet dug out the real cause but works if log in 'issue' machine with a windows user can perform 'transfer' on other machine.


Lync Server  ,  Unified Communications  >  Microsoft Lync Client Development



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