I have Cisco Presence 6.0 with CUCM 6.1 ...I m facing problem while sending Instant Msg (for example) from IP Phone A to IP Phone B ....
when i send from Phone A to Phone B .. it delivers & reciving @ phone B properly ... but when i reply from Phone B to Phone A it gives this error " Your message could not be delivered. User may have logged off "
even Phone A is logged in with Phone Messeger Service .. but i dont knw why im getting this error & where im doing mistake !!!
can any one help me please !!!