Mitel Forums - The Unofficial Source
		Mitel Forums => Mitel MiVoice Business/MCD/3300 => Topic started by: manzo on July 04, 2012, 11:20:38 AM
		
			
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				I've configured a yealink sip-T20P  on mitel.
 All function are ok, but when i try to tranfer a call with offer display show "Call failed".
 Anyone can help me? thanks !
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				Do you have a second button programmed on the phone in the 3300 with another appearance of the prime DN? It is necessary to allow the phone to establish 2 calls simultaneously. This is typically done by programming Button 2 as a Multicall Appearance of the main extension of the phone.