User`s guide

Dialogic
®
System Release 6.0 PCI for Windows
®
Release Update, Rev 62 — January 30, 2008 312
Dialogic Corporation
Resolved IPY00014904 28798 -- Global Tone
Detection
If you have trouble detecting tones and see “Can't
allocate space in suspect list for GTD(x)” in the
DebugAngel output, consider the following:
• Seeing this message is not necessarily a problem.
If you are properly detecting tones of interest, this
message can be safely ignored. It is generated
when too many tone frequency ranges overlap the
signal actually being received. Because the
commonly used, predefined tones (e.g. DTMF
tones and Call Progress), are given precedence on
the list, detection of standard tones is not
compromised.
• You may wish to review any user-defined tones to
ensure that they do not duplicate predefined tones.
While detection will not be impacted, the tracking
of multiple definitions of the same tone is
inefficient.
If you cannot detect a user defined tone and are
seeing the above message, it usually means the newly
defined tone overlaps a frequency range that is
already used by several existing tones. This can often
be remedied by taking one or more of the following
steps:
• Check for duplication of tones. Are you adding
tones that differ by only small values? Are you
duplicating existing default tones? If so, try to
consolidate. Use or redefine existing tones instead
of creating new ones that differ only slightly.
• Check for unnecessarily wide frequency
tolerances. Try to use ranges only large enough to
meet requirements. Very large ranges do not
improve detection, and can negatively impact
efficiency.
• When you have discretion as to what frequency
areas to use for your user defined tones, try to
choose a range that is little used by standard tone
definitions.
The above suggestions will improve detection
efficiency even when no errors are observed.
Resolved IPY00037372 -- 154 H.323 Call Control An access violation/assert is seen in the Dialogic
®
Global Call IP Call Control Library if a RequestMode
message for changing audio codecs is received.
Resolved IPY00037351 -- 154 H.323 Call Control When the remote capabilities contain one audio codec
and T.38 fax codec, the Dialogic
®
Global Call IP Call
Control Library will incorrectly attempt to switch to fax.
Resolved IPY00030591 25747 -- HDSI Boards Rebooting a Dialogic
®
HDSI system with DCM set to
autostart will occasionally fail to come up with fatal
error in MSILineActivate.exe.
Table 9. Issues Sorted By Type, Dialogic
®
System Release 6.0 PCI for Windows
®
(Continued)
Issue Type Defect No.
PTR
No.
SU
No.
Dialogic
®
Product(s) or
Component(s)
Description