NDA-24305 CHAPTER 6
Page 217
Revision 1.0
VIRTUAL TIE LINE
3. Programming
STEP 1: Assign the Basic Dat a for ISDN. (Refer to Chapt er 3.)
Note 1: If in Virtual Tie Line network, an alternative route cannot be assigned.
Note 2: Example for ports allocation of the command ATRK.
STEP 2: Assign the data for CCIS No. 7.
STEP 3: Assign the Virtual Tie Line data.
For the originating office: AVTL - Assign a schedule for Virtual Tie Line implementation period.
TL/SPC (T/S): Time Link/Semi Permanent Connection
DATE: Start day-End day Note 1
PTN: Pattern number (0-15)
IC/OG: OG
RT: Route No. used for Virtual Tie Line
TK: First trunk No. of Virtual Tie Line route.
D-LENS: LENS of DCH used for setting Virtual Tie Line
CH: Number of Bch used for Virtual Tie Lin eNote 1
CALLING: The number of ISDN line of the self office
KEY PAD:
CALLED: The Virtual Tie Line number of ISDN line of the
facing (terminating) office
SUB: 0
WEEK: Week range Note 1
TIME: Start Time and End Time Note 1
LV7 B ch -8 D ch
LV6 B ch -7
SIG-ch
LV5 B ch -6
Speech
LV4 B ch -5
Speech
LV3 B ch -4
Speech
LV2 B ch -3
Speech
LV1 B ch -2
Speech
LV0 Bch-1 Bch-17
LV7 B ch -1 6
LV6 B ch -1 5
LV5 B ch -1 4
LV4 B ch -1 3
LV3 B ch -1 2
LV2 B ch -1 1
LV1 B ch -1 0
LV0 DCH Bch-9
CCIS
Odd
Even
24PRT