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Tying Definity to KSU

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dirtcheap

Technical User
Oct 26, 2004
46
US
Moved to facility with Definity PBX. One group wants to keep using their old key system. Have KSU and FXS channel bank from old offices and found spare TN767's left over from upgade of PBX. I've tied PBX's together using T1's and connected channel banks to CO T1 lines, but before I maybe waste time experimenting, I was hoping to find out if the Definity can emulate a CO to work with the channel bank. If possible, how would I program it? I know that I can tie the KSU trunks to single-line ports instead of a T1 line, but that would mean the purchase of a single-line card and pulling some cable but I'm just too cheap and lazy.
 
I just deleted a huge paragraph on how to do it.
The more I typed, the more of a bad bad feeling I got about it. LOL
You could give them 8410's with all Personal CO Lines on each phone. That way they would have direct access to each trunk and have call status of each trunk.
It can be done, yes, recommmeded? not by me.
With the right equipment you could possibly eliminate the channel banks between the CO and the PBX, if you're not dropping and inserting data. You could pull off the channels via the PBX and re-route them to single line ports, yes, but you're looking at a LOT of effort to please one group.
 
Already tried the 84xx route. However, all the outside lines on the PBX are DID T1's. Tried best I could but they still keep griping that they want a system that works like the old one, especially how calls rolled over from one line appearance to the next and appeared on every phone. I can't see any way to do that on the Definity. If there is a way to do it I'd like to know, because that would solve the problem.
Regarding the channel bank, it will just be voice since they are directly connected to the network now.
Since I had the equipment I thought I might be able to do something, but maybe just saying "You're not on a key system anymore. You're on a PBX. Deal with it!" is the way to go.
 
How many lines are we talking and how many phones?

I'm working on typing out your resolution, I just need the quantities to help out with the instructions.

Question #2 The rollover/hunting on the CO lines is being handled outside of the PBX, correct?
 
The key system is pretty small, 8X24, but only 6 lines and 10 to 14 station ports were in use depending on seasonal hiring.
As for Question #2, incoming calls are DID so the rollover/hunting of the T1 channels doesn't matter much. The CO seizes the next available channel and dials in the last four digits of the dialed number. Right now all calls are going to an attendant behind a 8434DX.
This brings up another request I've gotten which I may have to start another thread for but I'll ask it here in case this can be worked out together. We've combined what were four separate companies into one facility. We'd like the attendant to be able to see which company was called by displaying a name associated with the number dialed in so that she greet callers with the name of that branch. Is this possible?
 
The four seperate companies are handled by the switch by inputting the DID extensions into the "listed directory numbers" which will individualize the display for each did to the attendant...one of many ways to accomplish this. Goto "change listed" and you'll see the layout. The extensions can't appear anywhere else but on this form.

Now back to our regular programming. The group that has the key system has only one primary DID? So we need to get that to roll up to 8 times?
 
Thanks for the LDN info. That's one problem down.

The branch with the KSU originally had 6 loop start lines. These numbers were mapped onto individual FXS ports when they got the channel bank for shared voice and data. We decided to move all these numbers to the new facility. The idea being that although incoming calls were going to be made to the prime number, the rest of the numbers would eventually be assigned to phones for direct inward access. Anyway...

What they'd like is for the first incoming call to appear on one button, the next one to roll over to another button, etc. for at least six buttons. They are also used to automatic outgoing line selection, without dialing "9", and having to press the "Intercom" button for internal calls. If this is possible I'd like to know how to do this too.
 
Ok, one of several ways once again, I've not used any of the known shortcuts here so as not to confuse you, and this will let you see how things actually go into the system.

Overall scope: Create 1 extension with the DID that you are going to use for the Main Number to this group.

Then, create 5 additional stations using "non-did" numbers.

These can be analog stations without a port, simply type an X in the Port field and this will assign the station without any instrument and without using any hardware in the system. Then, go back and modify those extensions via the "Hunt to" field on the station form.
When you do the "hunt to" do it consecutively, 8400 hunts to 3101, 3101 hunts to 3102, and so on. When you get to the end, you can leave 3105 to go nowhere, and return a busy.
This plan will work well if you are going to use 8410 sets.

Then do an "add station" choosing a range of extension numbers for these new phones themselves, such as 5101 through let's say 5110.

Button Mapping will be:

(This example uses 3101..3105 as the "non-did" extensions, and 8400 as the main DID

1. abrdg-appr 8400 6. abrdg-appr 3105
2. abrdg-appr 3101 7.
3. abrdg-appr 3102 8.
4. abrdg-appr 3103 9. call-appr
5. abrdg-appr 3104 10. call-appr

Now, we have to make it so that these stations will basically go off hook and dial a 9 fooling the user into thinking they don't have to dial 9.

This is accomplished by creating a "hot-line" destination.

We're going to do a Change Abbreviated System command and pick a blank entry off of the list and remember what dial code we used. Let's say 99. in that field we are going to put 9. Later, we will reference this entry in the "hot-line" destination field. Whereas, whenever that line goes off hook, it automatically dials 9.

On page 2 of station 8400, and 3101 through 3105, we are going to put "system" in List #3 then go to the "hotline destination" section of the form and put in "list 3, dial code 99.

Let me know if you are following along.


 
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