CHAPTER 6 NDA-24305
Page 21 8
Revision 1.0
VIRTUAL TIE LINE
For the terminating office: AVTL - Assign a schedule for Virtual Tie Line implementation period.
TL/SPC (T/S): Time Link/Semi Permanent Connection
DATE: Start day-End da yNote 1
PTN: Pattern number
IC/OG: IC
RT: Route No. used for Virtual Tie Line
TK: First trunk No. of Virtual Tie Line route.
D-LENS: LENS of DCH
CH: Number of Bch used for Virtual Tie Lin eNote 1
CALLING: The number of ISDN line of the facing
(originating) office
SUB: 0
WEEK: Week range Note 1
TIME: Start Time and End Time Note 1
AVTC - Assign a Virtual Tie Line Call data
TN:
STN: Note 2
Note 1: Data of DATE, WEEK, TIME and CH must match between the originating office and the terminating
office.
Note 2: In addition, “DID-Addressing” data is necessary for both Bch of ISDN and Spee ch CH of CCIS No. 7.
ARTD-CDN66 (DC)
ACDD-Assign a data for digits conversion to Virtual Tie Line number as follows;
Virtual Tie Li ne
No. 2255
Bch RT=10
Speech RT=20
ISDN
DID No. 234-1111
• D/N=D RT=10 DC=1111, CDC=2255
A/D=0, XFR=0
• D/N=D RT=20 DC=1111, CDC=2255
A/D=0, XFR=0