[cisco-voip] Conference ISSUE Through SIP Trunk

[Asim Mekki Basheer]

Hi All,we have SIP Trunk when we called External partyI am getting this error message on the phone "No participant info"when pressing the join softkey.
Here's the steps:1>A called B2>A placed B on hold3>A called C4>A  pressed "Join" softkey. Getting "No participant info" and "invalidconference participant"
CCM 7.5IP Phone 7945 		 	   		  
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