4.1 D4.1.1 Data Line SecurityDescriptionOnce Data Line Security is set on an extension, communication between the extension and the other party isprotected from signals such as Call Waiting, Hold Recall and Executive Busy Override. Extensions which havedevices connected to them such as modems or fax machines may set this feature to maintain secure datatransmission, by blocking tones or other interruptions during communication.PC Programming Manual References4.9 [2-6-1] Numbering Plan—Main—Features— Data Line Security Set / Cancel6.1 [4-1-1] Wired Extension—Extension Settings—Option 2— Data ModeOperating Manual References1.3.17 Data Line Security4.1.2 DHCP (Dynamic Host Configuration Protocol) AssignmentDescriptionIt is possible to assign this PBX as a DHCP client, allowing IP addresses to be received from a DHCP serverover a LAN.Conditions• It is possible to enable this feature through system programming.NoticeIt is important to set your DHCP server to not change the IP addresses of the IPCMPR and DSP cardsonce IP telephones are registered to the PBX. The IP telephones will not operate properly if these IPaddresses are changed.PC Programming Manual References3.4 [1-1] Slot—Card Property - IPCMPR—LAN Setting→ DHCP Client→ IP Address for IPCMPR Card→ IP Address for VoIP-DSP4.1.3 Dial Mode SelectionDescriptionThe dialing mode (rotary or tone) can be selected for each analog CO line through system programmingregardless of the originating extension (under contract with the telephone company).66 Feature Manual Document Version 2009-124.1.3 Dial Mode Selection
