Initial screen Large Middle Small Case A Case B Case C
TESTMODE NCU PBXBUSYT 004 * Yes No No
TESTMODE NCU PBXBUSYT 005 * Yes No No
TESTMODE NCU PBXBUSYT 006 * Yes No No
TESTMODE NCU PBXBUSYT 007 * Yes No No
TESTMODE NCU PBXBUSYT 008 * Yes No No
* : FAX model only
2. Technical Explanation
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