Nortel Networks BCM 400 V3.7 PRI outbound CLID

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BCM 400 V3.7 PRI outbound CLID sgrimm@fpcc.net 12-04-06
Posted by sgrimm@fpcc.net on December 4, 2006, 12:21 pm
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I am a central office person trying to help a vendor who has a BCM 400.
The customer wants to send their caller ID as "Private" and not
display at the terminating end. Because this is an NI-2 PRI connected
to a DMS-100 central office, we can not override the presentation
indicator sent via the PRI SETUP message (Telcordia states on NI-2 LEC
can not manipulate presentation indicator). We are not able to find
any settingin the BCM 400 to make this change. On the Nortel website,
there is a solution for a European PRI as shown below. Any ideas or
hints? Thanks.

Goal:
How to block CLI on the BCM/Norstar?


Fact:
Block CLID
Calling Line Identification
BCM
Norstar
BCM 2.5
BCM 3.0
BCM 3.5



Problem Resolution

Fix:
Use the feature code F819 or Press F819, but what does this do? That
depends. Below is for ETSI ISDN only.

1. For PRI, the BCM uses "suppression bit". This means that an ISDN
information element is sent down the D-channel during the call set-up,
this tells the exchange to withhold the CLI. There is no programming to
change this.

2. For BRI there are 2 options:
A. Under Loop programming set the "ONN blocking state" to Suppression
bit - then the same as above will happen
B. Under Loop programming set the "ONN blocking state"Service code"
with this set, the BCM sends extra digits in front of the dialling
string to the exchange. But what digits? Those set in Telco features >
ONN blocking. The exchange then reacts to the numbers. For example, 141
in the UK
Suppression bit conforms to the ETSI standard Service code is not part
of ETSI standard but is used by BT. The set you are dialling from must
have a valid OLI number for this to work, otherwise the exchange may
send the "main" number.

Note: To un-block that is to undo F819 do a F#819.


Posted by XBarNone on December 6, 2006, 7:38 pm
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You need to build a screening table to screen out anything other than DID
numbers.

The vendor needs to populate the OLI line to send DID or leave it blank to
have your screening table take over and substitute pilot number.




>I am a central office person trying to help a vendor who has a BCM 400.
> The customer wants to send their caller ID as "Private" and not
> display at the terminating end. Because this is an NI-2 PRI connected
> to a DMS-100 central office, we can not override the presentation
> indicator sent via the PRI SETUP message (Telcordia states on NI-2 LEC
> can not manipulate presentation indicator). We are not able to find
> any settingin the BCM 400 to make this change. On the Nortel website,
> there is a solution for a European PRI as shown below. Any ideas or
> hints? Thanks.
>
> Goal:
> How to block CLI on the BCM/Norstar?
>
>
> Fact:
> Block CLID
> Calling Line Identification
> BCM
> Norstar
> BCM 2.5
> BCM 3.0
> BCM 3.5
>
>
>
> Problem Resolution
>
> Fix:
> Use the feature code F819 or Press F819, but what does this do? That
> depends. Below is for ETSI ISDN only.
>
> 1. For PRI, the BCM uses "suppression bit". This means that an ISDN
> information element is sent down the D-channel during the call set-up,
> this tells the exchange to withhold the CLI. There is no programming to
> change this.
>
> 2. For BRI there are 2 options:
> A. Under Loop programming set the "ONN blocking state" to Suppression
> bit - then the same as above will happen
> B. Under Loop programming set the "ONN blocking state"Service code"
> with this set, the BCM sends extra digits in front of the dialling
> string to the exchange. But what digits? Those set in Telco features >
> ONN blocking. The exchange then reacts to the numbers. For example, 141
> in the UK
> Suppression bit conforms to the ETSI standard Service code is not part
> of ETSI standard but is used by BT. The set you are dialling from must
> have a valid OLI number for this to work, otherwise the exchange may
> send the "main" number.
>
> Note: To un-block that is to undo F819 do a F#819.
>



Posted by sgrimm@fpcc.net on December 7, 2006, 5:28 pm
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XBarNone wrote:
> You need to build a screening table to screen out anything other than DID
> numbers.
>
> The vendor needs to populate the OLI line to send DID or leave it blank to
> have your screening table take over and substitute pilot number.
>

I understand what your saying, but it doesn't solve the problem. The
customer wants their CLID display as "Private Number" on the
terminating end. This can only be done if the presentation indicator
(PI) is set to "Restricted". For NI-2, the central office is not
allowed to alter the PI sent by the customer (per TELCORDIA and lack of
features in the central office). The PI sent from the customer is
"ALLOWED". I am looking for some method to change the presentation
indicator in the BCM to "Restricted" Something similar to the feature
described above for the Euro PRI.


Posted by XBarNone on December 8, 2006, 1:34 am
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Sorry I misunderstood the problem. The solution is easy. The user just has
to active ONN blocking before each call by using "feature 819" on their
phone. On some older systems you must have an entry in the OLI window of the
set for this to work. The one I just tested on I had to do this. I entered
2015551212 in the OLI window of an active DN on the Line Assignments page.
This means that the BCM will try to send that number as the ANI. As this
falls outside of the screening tables parameters, it is stripped and the
pilot number was substituted. If however I activated "feature 819" first
before dialing, I got "Private Call" showing up on the ID of the phone I
called.

>
> XBarNone wrote:
>> You need to build a screening table to screen out anything other than DID
>> numbers.
>>
>> The vendor needs to populate the OLI line to send DID or leave it blank
>> to
>> have your screening table take over and substitute pilot number.
>>
>
> I understand what your saying, but it doesn't solve the problem. The
> customer wants their CLID display as "Private Number" on the
> terminating end. This can only be done if the presentation indicator
> (PI) is set to "Restricted". For NI-2, the central office is not
> allowed to alter the PI sent by the customer (per TELCORDIA and lack of
> features in the central office). The PI sent from the customer is
> "ALLOWED". I am looking for some method to change the presentation
> indicator in the BCM to "Restricted" Something similar to the feature
> described above for the Euro PRI.
>



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