B6 SYSTEM ADMINISTRATION—SYSTEM PARAMETER SETTINGS258 Installation ManualOther Parameters-External Message DeliveryControls the handling of External Message Delivery calls.SystemCallback No.Up to 32 digits(None)Specifies a telephone number that will display on thesubscriber’s beeper (pager) as a callback number. Thecallback number entry mode "X" must be included in thetelephone number.Note: If "Beeper Callback No. Entry Mode" is enabledthrough COS, the callback number entered by the callerwill display on the destination beeper (pager). However,if the caller fails to enter a callback number, the SystemCallback No. will display instead.To access the proper menu for External Message Delivery, follow the menu path asshown:System Administration Top Menu-1-5-7-4Table B-31Parameter Value Range(Default)Description/FunctionRetry Times 0-4 times(3)Specifies the number of times to attempt an externalmessage delivery call when the destination is busy or ifthere is no answer.Busy Delay 2-60 min(3)Specifies the length of time in minutes the VPS must waitafter a busy condition is received before trying to deliverthe message again.No AnswerDelay2-120 min(60)Specifies the length of time in minutes the VPS is to waitafter a no answer condition is received before trying todeliver the message again.Outgoing CallPortsPort No.(1-12)Specifies the port numbers used for the External MessageDelivery feature.MessageLength1-6 min(3)Specifies the allowable message length of externaldelivery messages that the subscriber can record.Max.Messages forMailboxes1-100 msgs(3)Specifies the maximum number of external deliverymessages that can be stored in 1 mailbox.Table B-30Parameter Value Range(Default)Description/Function