Oct 13 (Reuters) - OptiComm Ltd OPC.AX :
* RECEIVED LETTER ON OCT 12 FROM UNITI ALLEGING CO IS IN BREACH OF AMENDED AND RESTATED SID
* REJECTS CONCERNS RAISED BY UNITI, AND SENT RESPONSE TO UNITI ON OCT 13
* BOARD CONTINUES TO RECOMMEND UNITI SCHEME AS ANNOUNCED ON 15 SEPTEMBER