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LD 86 MXSD & DMI

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coniglio

Technical User
Jun 17, 2003
1,886
US
How many MXSDs can I define in LD 86? The NTP just shows XXX as the answer. also, I have my T1 as the first choice on all my area codes with no DMI. My second choice is copper, with a DMI of 1, which deletes nothing and inserts a 9. If my users already dial 9 to get out, how in the world does a call complete over their copper (2nd choice) if the T1 is down? won't their call go out as 99+1+area code+tel #?
 
If you want increase the number of DMI's you need to increase the MXDM setting in ESN. Depending on what s/w you have you can have 0-32, 0-256 or 0-1000.
When you say your T1 has no DMI, I assume you mean it's using DMI 0. Print that & see what it does. If your 2nd route is a tie, the inserted 9 is probably to exit the switch at the other end.
 
so it's conceivable that they need TWO 9's to dial out over their copper? How do i confirm this info (that the far-end requires a second 9?)
 
Remember the first 9 that the user dials is the bars/nars access code (most likely your AC1) and will be absorbed by the switch and not outpulsed.
 
ok, thanks. But how do I know whether or not I need to put a DMI table in for all my copper? I have 14 locations so some COs require it and some don't right? how will I know?
 
If your doing tail end hop off you will need the 9, if your not you won't.

 
okay phonejack99, what is tail end hop off?
 
hello
asumning your copper to all 14 sites then configuration you mentions in your q,is alright,but if you have 14 copper sites your rlb have 15 entrys?or only 2?or area codes point to differnt sites in entry 1?
 
You do not need a 9 attached to the local number for the call to go out if the call is made from the same site where the trunks are located. I have never seen a local telco require a 9 before the local number in order to complete a call. However, if you have local trunks at one site (site A let's say) and another site (B) is attached to that main site via ties and you want the calls at site b to go out the locals at site a, then you will need to insert a 9 before sending the digits over the ties to the main site (a). That 9 you insert is so that when the call gets to site A the switch will handle the call at that point as if the user were sitting in the main site and picked up their phone and dialed 9-NXX-XXXX.

The previous responder was correct when he said the 9 is absorbed by the switch. It is merely an access code that the switch uses to know which area of the NARS tree to go down for call routing.
 
are the copper lines centrex lines that require a 9 to be dialed. We have those in texas, but they are phasing out. I don't know too many more people that use them.

If so then you would need to add the 9 in the DMI so that you would dial 9+555-1212, then the PBX will strip the first 9, since it is the access code, and then reinsert a 9 to give to the lec to access the centrex lines.

If you are using centrex, change them. Too expensive if you are using a pbx. they were designed to give features to telephone users not on a PBX systems.

John
 
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