NEC NEAX 2000 SMDR format

NEC NEAX 2000 SMDR format
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Subject Author Date
NEC NEAX 2000 SMDR format VHD 05-30-2006
Posted by VHD on May 30, 2006, 9:48 am
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Hello all,
I'm an IT guy working for a mid-size company. I got to admit that I
don't know much about telecommunication stuff. My company is using a
NEC NEAX 2000 phone system, and my assignment is to write a phone
accounting software package... So I contacted NEC and get their SMDR
data format spec... Wrote the program... Now the software is complete
and in beta testing... The only thing that I found not working right is
the station number in the SMDR record not matching the actual extension
number. For example, a station number 110 in SMDR data is actually
mapped to phone extension number 119, while the station # 119 mapped to
another extension, say 130, and so on. They don't seem to follow any
patterns.
My questions are, what exactly does the station # stand for? Is it
different from the actual phone extension number? If so, how are they
related together? When a new phone is added to the system, is there any
way to assign the station number and/or extension number to that new
phone? (Or how do new phones get added to the system?)
If I can find the relationship between station number & extension
number then I can modify the program to use extension number instead of
station number.
Thank you for any inputs.
VHD.


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Posted by David on May 30, 2006, 12:59 pm
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Hello VHD,


> Hello all,
> I'm an IT guy working for a mid-size company. I got to admit that I
> don't know much about telecommunication stuff. My company is using a
> NEC NEAX 2000 phone system, and my assignment is to write a phone
> accounting software package... So I contacted NEC and get their SMDR
> data format spec... Wrote the program... Now the software is complete
> and in beta testing... The only thing that I found not working right is
> the station number in the SMDR record not matching the actual extension
> number. For example, a station number 110 in SMDR data is actually
> mapped to phone extension number 119, while the station # 119 mapped to
> another extension, say 130, and so on. They don't seem to follow any
> patterns.

That is an interesting behavior that I've not seen before. I've
worked with a couple NEC NEAX 2000s to watch the SMDR and the
station was always the extension. Nearly all switch vendors seem
to define the words station and extension to mean the same thing.
A few prepend some data in the case where there are special dialing
plans in place.

> My questions are, what exactly does the station # stand for? Is it
> different from the actual phone extension number? If so, how are they
> related together? When a new phone is added to the system, is there any
> way to assign the station number and/or extension number to that new
> phone? (Or how do new phones get added to the system?)
> If I can find the relationship between station number & extension
> number then I can modify the program to use extension number instead of
> station number.
> Thank you for any inputs.
> VHD.

Your best bet is to talk with a switch technician about a specific
switch that you are having problems with and ask what tables are
involved and what the SMDR contains. Perhaps there is other
informatino that you can use to resolve your problems.

Are you perhaps confused about which phone is indicated by the
station field in the SMDR? Okay, I think I 'see' the problem.
Normally an SMDR station indicates the originating phone in a
call. You may also need to look at the accounting code (not
sure of that name) to se what information the SMDR contains.
For instance, many switches will change the SMDR.station to
another value in certain circumstances. Consider a call to
a phone that isn't answered and is autoforwarded to another
phone that is picked up. There will be several SMDRs generated
and only the first SMDR could have the originating phone.

The SMDR Specification for your switch may specify what the
expected behavior should be.

Good luck,

David

Posted by on June 5, 2006, 9:34 am
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Hi VHD,


> Hello all,
> I'm an IT guy working for a mid-size company. I got to admit that I
> don't know much about telecommunication stuff. My company is using a
> NEC NEAX 2000 phone system, and my assignment is to write a phone
> accounting software package... So I contacted NEC and get their SMDR
> data format spec... Wrote the program... Now the software is complete
> and in beta testing... The only thing that I found not working right is
> the station number in the SMDR record not matching the actual extension
> number. For example, a station number 110 in SMDR data is actually
> mapped to phone extension number 119, while the station # 119 mapped to
> another extension, say 130, and so on. They don't seem to follow any
> patterns.

I know with the NEAX 7400, a programming option can configure the SMDR to
output the "LEN" of the extension. LEN is the Line Equipment Number. It is
like a "Port Number" of the device. Think of it like on a network, a switch
has ports with numbers. But as you know the ports have nothing to do with
the IP Address of the device on the end of it...

There may be a flag in the programming of the system to switch between LEN
and Extension numbers on the SMDR. You can sometimes define a custom number
to be outputted for a particular extension. i.e. in a rotary group for our
Voice Mail server we made all the extensions configs in the hunt group
output 302 as their SMDR extension. This was to reduce confusion as we had
40 ports on the VMS. With 302 being the "main" number called to it, but the
extensions were between 200 and 239. So if the system dialled out it could
be anything between 200 and 239, by making it 302 the accountant only had to
remember one number.

Hope that helps,

Matty


> My questions are, what exactly does the station # stand for? Is it
> different from the actual phone extension number? If so, how are they
> related together? When a new phone is added to the system, is there any
> way to assign the station number and/or extension number to that new
> phone? (Or how do new phones get added to the system?)
> If I can find the relationship between station number & extension
> number then I can modify the program to use extension number instead of
> station number.
> Thank you for any inputs.
> VHD.
>



Posted by Cap on June 5, 2006, 7:45 pm
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news wrote:
> Hi VHD,
>
>
<snip>
> >The only thing that I found not working right is
> > the station number in the SMDR record not matching the actual extension
> > number. For example, a station number 110 in SMDR data is actually
> > mapped to phone extension number 119, while the station # 119 mapped to
> > another extension, say 130, and so <snip>
>
> There may be a flag in the programming of the system to switch between LEN
> and Extension numbers on the SMDR. You can sometimes define a custom number
> to be outputted for a particular extension. i.e. in a rotary group for our
> Voice Mail server we made all the extensions configs in the hunt group
> output 302 as their SMDR extension. This was to reduce confusion as we had
> 40 ports on the VMS. With 302 being the "main" number called to it, but the
> extensions were between 200 and 239. So if the system dialled out it could
> be anything between 200 and 239, by making it 302 the accountant only had to
> remember one number.
>
> Hope that helps,
>
> Matty
>
>
> > My questions are, what exactly does the station # stand for? Is it
> > different from the actual phone extension number? If so, how are they
> > related together? When a new phone is added to the system, is there any
> > way to assign the station number and/or extension number to that new
> > phone? (Or how do new phones get added to the system?)
> > If I can find the relationship between station number & extension
> > number then I can modify the program to use extension number instead of
> > station number.
> > Thank you for any inputs.
> > VHD.
> >
I hope you're not using an OAI application that assigns "logical"
numbers, because that will cause exactly what you're seeing.

I recall that the NEAX 2000 has a massive number of SMDR settings,
especialy in commands D000 and D0001. It can even output the NEAX2400
record format if needed. Basically you picked the wrong system to learn
about SMDR - the Panasonic is much easier to deal with (among others).

I did a little googling, and found that NEC has a completely separate
SMDR System Manual for the NEAX 2000 (now I remember!) - which of
course is not available gratis. However, the NEAX 2000 command manual
can be found at this site:

http://wedophones.com/Manuals/NEC/NEAX2000%20IVS%20Command%20Manual.pdf

A couple of additional reference links:

This site has an active NEC forum:
http://www.sundance-communications.com/forum/ultimatebb.php

SMDR formats (just to verify what you got is what you need):
<a href="http://main.trisys.com/teleform/teleform.asp">Trisys SMDR
format page</a>

Make sure what the Trisys page shows matches the "raw" SMDR output - if
it doesn't probably one of the CMD000 or CMD001 settings are not at
default. I haven't touched a 2000 in over ten years, so this is as far
as I can go with this - try the Sundance Communications forum above (or
try posting here again). Good luck!


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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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