STARTUP AND INITIALIZATION4-43Edition OneXC1000 Service4. In the Number of Rings for on-PBX Calls (Used for ECP): field, entera number that is one less than the number of ring cycles allowed onthe Centrex before forwarding calls to XC1000. The maximumnumber is 20; the minimum is 2.If XC1000 is not connected to a Centrex, enter the same number asentered in the Number of Rings for Local and Long Distance Calls(Used for Outcalls): field. If XC1000 is connected to a Centrex and ECPmailboxes and uses transfer supervision, an entry is required in this field.The number of rings for the transfer should be less than the numberof rings allowed before the Centrex forwards the call to XC1000.There- fore, set the Number of Rings for on-PBX Calls (Used forECP): field in XC1000 to three rings and the number of rings beforeforwarding calls in Centrex to four rings. This setting allows XC1000to inform the caller that the called party is unavailable.5. In the Sender ID Used for Telephone-Answering Messages: field,enter a code for calling-party identification that is used by XC1000 inthe telephone-answering mode. Enter one of the following codes: Enter 1 if XC1000 uses standalone, interfaced, or in-band integ-ration. XC1000 does not seek calling-party identification, as allcalls left in telephone-answering mode are from outside callers. Enter 2 if XC1000 should use the calling-party identificationprovided by the switch. This feature allows subscribers to replyto telephone-answering messages if (1) the message originator hasa telephone number on the switch and a corresponding mailbox inXC1000 and (2) the switch is integrated with XC1000 through anRS-232 link.6. Press the Enter key when menu 1.1 is complete to save the entries. Pressany key to return to menu 1, then press^C to return to the Main Menu.The system manager enters the data in menus 2 through 5, then the installercompletes the fields in the submenus of menu 6. Entering data in menu 6 isdiscussed in the following section.4.8 ESTABLISHING DIALING AND SERIAL-CHANNELPARAMETERSMenu 6 allows dialing sequences and serial-channel options for variousXC1000 functions to be specified. Menu 6 comprises six screens: the basicmenu showing options for dialing-sequence and serial-channel options, asshown in Figure 4-28. Select one of the options to access a submenu.Menu 6 – Dialing and Serial Channel Parameters1 – Transfer, Outcall, and Pager Dialing Sequences2 – In-band Integration Dialing Sequences3 – Define CPU Serial Channel4 – MTA (Multiple Terminal Access) Parameters5 – Integration Link ManagementEnter Option:Figure 4-28. First Screen of Menu 6 Showing Five Options.SECTION 4.7 – 4.8