[asterisk-users] Disabling QSIG Encoding in LibPRI

Richard Mudgett rmudgett at digium.com
Fri May 23 21:54:46 CDT 2014

On Fri, May 23, 2014 at 7:05 PM, Armen K <armeniki at hotmail.com> wrote:

> Hi everyone,
> I was referred to this mailing list by Richard Mudgett regarding the
> following thread on Issue Tracker as it's a feature request and not a bug:
> https://issues.asterisk.org/jira/browse/PRI-170
> We've got a Nortel BCM (actually 2 BCM50s and 1 BCM400)... all showing the
> same problem.
> When a call comes in the number shows up OK but the name does not.  In
> looking at the ISDN messages coming in, we've noticed that the Facility IE
> for the name has been QSIG encoded.  However, the BCMs don't understand
> this encoding and as a result the name does not come through.
> Basically, I need to figure out how to disable the encoding so the
> Facility IE for caller name comes through without being encoded (in other
> words without the AA 06 80 01 00 82 01 00 bytes being placed between the
> 9F and 8B bytes.
> For example:
> 9F 8B 01 00 A1 0E 02 01 08 02 01 00 80 06 4D 61 20 42 65 6C 6C

In libpri pri_facility.c:enc_qsig_calling_name() you can change the code to
not set any
header values nonzero.  That will disable sending the optional NFE and
interpretation-APDU values for the calling name only.

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