Short and sweet approach to bars/nars..
1st thing to look at is ld 87 nctl
notice that each of the 1st seven ncos's are married to the matching frl. that is the most common way to do that. you can use translators and ncos's above 7 but very few good reasons for doing that come to mind.
after that, you need an rlb, ld 86. that does two basic things, assigns a frl and point a call to a route.. facility restriction level, because of nctl, allows a caller with an ncos that matches or exceds the frl take that route..
notice, that the rlb can have several entries, in this one entry 0, allows ncos 1 and above to use route 6. entry 1 allows overflow to route 35 for users with ncos 4 and above. also worth notice is DMI 6.. a dmi is used when the dialed string does not match the needed digits.. for this entry, user dials 777+ 4 digits, if the overflow route is used the dgt inserts 1803 and sends the call to a long distance route.. here;s a sample dgt
only thing to mention is the del is for the number of digits, the 9 (ac1) is not part of the count.. if the user dials 91864, and i need to strip the area code, use del 4.. the rest of the path in ld 90. npa (area code) nxx (exchange) and spn (911) entries.. they just point to a rlb
not much in those table except the possible deny line, which in this case blocks all calls to 555 after 1213
Once you see the path end to end, changes and additions are not that bad. .. in quick steps, user dials 9, (ac1) that sends the call to ld 90, the next digits (1864) finds a match, that sends him to ld 86 (rlb) if his ncos is at least equal to the frl, the call is sent out on the route, if the route is all busy or the ncos is to low, in that same rlb, each entry is checked.. if a idle trunk is found, the call goes out. if not fast busy (120 ipm) is returned to the user..
john poole
bellsouth business
columbia,sc
1st thing to look at is ld 87 nctl
Code:
OVL000
>ld 87
ESN000
MEM AVAIL: (U/P): 11661176 USED U P: 2955448 718799 TOT: 15335423
DISK SPACE NEEDED: 1253 KBYTES
2MB BACKUP DISKETTE(S) NEEDED: 1 (PROJECTED LD43 - BKO)
REQ prt
CUST 0
FEAT nctl
NRNG 0 7
SOHQ NO
SCBQ YES
CBTL 20
[COLOR=red]NCOS 0[/color]
EQA NO
[COLOR=red]FRL 0[/color]
RWTA NO
NSC NO
OHQ NO
CBQ YES
RETT 10
RETC 5
ROUT I
RADT 0
SPRI 0
MPRI 0
PROM 0
NCOS 7
EQA NO
FRL 7
RWTA NO
NSC NO
OHQ NO
CBQ YES
RETT 10
RETC 5
ROUT I
RADT 0
SPRI 0
MPRI 0
PROM 0notice that each of the 1st seven ncos's are married to the matching frl. that is the most common way to do that. you can use translators and ncos's above 7 but very few good reasons for doing that come to mind.
after that, you need an rlb, ld 86. that does two basic things, assigns a frl and point a call to a route.. facility restriction level, because of nctl, allows a caller with an ncos that matches or exceds the frl take that route..
Code:
>ld 86
ESN000
MEM AVAIL: (U/P): 11652276 USED U P: 2964348 718799 TOT: 15335423
DISK SPACE NEEDED: 1253 KBYTES
2MB BACKUP DISKETTE(S) NEEDED: 1 (PROJECTED LD43 - BKO)
REQ prt
CUST 0
FEAT rlb
RLI 6
RLI 0
ENTR 0
LTER NO
[COLOR=red]ROUT 6[/color]
TOD 0 ON 1 ON 2 ON 3 ON
4 ON 5 ON 6 ON 7 ON
VNS NO
CNV NO
EXP NO
[COLOR=red]FRL 1[/color]
DMI 0
FCI 0
FSNI 0
SBOC NRR
IDBB DBA
IOHQ NO
OHQ NO
CBQ NO
[COLOR=blue]ENTR 1[/color]
LTER NO
ROUT 35
TOD 0 ON 1 ON 2 ON 3 ON
4 ON 5 ON 6 ON 7 ON
VNS NO
CNV NO
EXP NO
[COLOR=blue]FRL 4
DMI 6[/color]
FCI 0
FSNI 0
SBOC NRR
IDBB DBA
IOHQ NO
OHQ NO
CBQ NOnotice, that the rlb can have several entries, in this one entry 0, allows ncos 1 and above to use route 6. entry 1 allows overflow to route 35 for users with ncos 4 and above. also worth notice is DMI 6.. a dmi is used when the dialed string does not match the needed digits.. for this entry, user dials 777+ 4 digits, if the overflow route is used the dgt inserts 1803 and sends the call to a long distance route.. here;s a sample dgt
Code:
DMI 6
DEL 0
INST 1803
CTYP NCHG
Code:
REQ prt
CUST 0
FEAT net
TRAN ac1
TYPE nxx
NXX 749
NXX 749
RLI 6
SDRR NONE
ITEI NONE
REQ prt
CUST 0
FEAT net
TRAN ac1
TYPE npa
NPA 1213
NPA 1213
RLI 2
[COLOR=red]DENY 555[/color]
SDRR DENY CODES = 1
ITEI NONEnot much in those table except the possible deny line, which in this case blocks all calls to 555 after 1213
Once you see the path end to end, changes and additions are not that bad. .. in quick steps, user dials 9, (ac1) that sends the call to ld 90, the next digits (1864) finds a match, that sends him to ld 86 (rlb) if his ncos is at least equal to the frl, the call is sent out on the route, if the route is all busy or the ncos is to low, in that same rlb, each entry is checked.. if a idle trunk is found, the call goes out. if not fast busy (120 ipm) is returned to the user..
john poole
bellsouth business
columbia,sc