Trunks, trunk groups and routing help

[vpavlov]

Hello all. I am maintaining a Definity G3csiV9 system. I am having difficulties with trunks and routing.
If you have the patience read forward
Trunk group 1 has 15 trunks in it. Trunk group 1 is shown below:

Group Number: 1 Group Type: co CDR Reports: y
Group Name: TWO-WAY COR: 1 TN: 1 TAC: 890
Direction: two-way Outgoing Display? n
Dial Access? n Busy Threshold: 99 Night Service: 211
Queue Length: 0 Country: 1 Incoming Destination: 201
Comm Type: voice Auth Code? n Digit Absorption List:
Prefix-1? n Trunk Flash? n Toll Restricted? y

TRUNK PARAMETERS
Trunk Type: loop-start
Outgoing Dial Type: tone Cut-Through? n
Trunk Termination: rc Disconnect Timing(msec): 500

Auto Guard? n Call Still Held? n Sig Bit Inversion: none
Analog Loss Group: 6 Digital Loss Group: 11
Trunk Gain: high

Disconnect Supervision - In? n Out? y Cyclical Hunt? n
Answer Supervision Timeout: 10 Receive Answer Supervision? n
GROUP MEMBER ASSIGNMENTS Total Administered Members: 15

Port Code Sfx Name Night Mode Type Ans Delay
1: 01A0801 TN747 B 980-5654
2: 01A1004 TN747 B
3: 01A0803 TN747 B 981-5733
4: 01A0804 TN747 B 981-5761
5: 01A0504 TN747 B
6: 01A0902 TN747 B 981-2978
7: 01A0905 TN747 B 980-9087
8: 01A0802 TN747 B 980-5674
9: 01A0808 TN747 B 980-8903
10: 01A1003 TN747 B
11: 01A1002 TN747 B
12: 01A0901 TN747 B
13: 01A0903 TN747 B
14: 01A0907 TN747 B 980 3544
15: 01A0503 TN747 B

Incoming destination of trunk group 1 is vdn 201. Vd 201 has cor 88 with frl 7.
Vdn 201 uses vector 4 to redirect incoming calls to trunk group 1 offsite. Vector 1 is shown below:

01 route-to number 08463291 with cov n if unconditionally
02 stop

When I dial 9805654 (the first trunk in trunk group 1) from outside and do list trace tac 890 the output is:

22:01:43 active trunk-group 1 member 12 cid 0x185
22:01:43 term vector 4 cid 0x185
22:01:43 dial 08
22:01:43 route-pattern 11 preference 0 cid 0x185
22:01:43 term trunk-group 1 cid 0x185
22:01:43 dial 08463291#
22:01:43 seize trunk-group 6 member 1 cid 0x185
22:01:46 dial 08463291#
22:01:46 outpulse done 8463291#
22:01:55 active trunk-group 6 member 1 cid 0x185
22:02:52 idle trunk-group 1 member 12 cid 0x185

The route pattern 11 is shown below:

Pattern Number: 11

Grp. FRL NPA Pfx Hop Toll No. Del Inserted
No. Mrk Lmt List Digits Digits
1: 1 1
2: 8 1
3: 5 1
4: 6 1
5: 9 1
6:

BCC VALUE TSC CA-TSC ITC BCIE Service/Feature BAND No. Numbering LAR
0 1 2 3 4 W Request Dgts Format
Subaddress
1: y y y y y n n rest none
2: y y y y y n n rest none
3: y y y y y n n rest none
4: y y y y y n n rest none
5: y y y y y n n rest none
6: y y y y y n n rest

I have several questions:

Why the call connects to member 12. Isn't it supposed to connect to member 1, which according to it's name is 980-5654?
Why when it chooses route pattern it includes the leading zero, which is for seizing a trunk?
What does the # at the end of the dialed number from the trace above?
Why it uses trunk group 6, member 1 for the call transfer?
What happens if some of the trunks in trunk group 1 are not available?


And most importantly... If I try to call the same number(9805654) again after the call to it is in progress the line rings somewhere - i.e. it doesn't give busy signal. I don't know where it rings, but I made trace to all tac's in the system and it doesn't ring in any of them. What gives?

 

[koglass]

What do you dial for ARS? The switch will choose a resource close to where you are calling from if it can to reduce TDM or IP resources in the switches backplane. ANd to reduce inter cabinet resources. You should be dialing your ARS code. The # sign usually signals end of dialing or the end of digits entered. It speeds up the call processing.