Feature 45, “GTD-5 Switch Interface”
Purpose
NTM supports all of the capabilities of the GTD-5 Switch through an ASCII-based electronic interface. A Data Collector Concentrator (DCC), is the intermediary system in the communications path(s) between the GTD-5 Switch(es) and NTM (unless Feature 381,
“TCP/IP Interface to GTD-5 Switches” is purchased, in which case the DCC is not used).
Supported capabilities
NTM treats the GTD-5 Switch as a unique switch type and “generic” combination. NTM verifies that each command/message and each option/attribute of these commands and messages sent to the GTD-5 Switch is a valid request and does not generate failure messages from a properly configured and functioning GTD-5 Switch. NTM supports the following aspects of the described functionality.
30-second discrete data
NTM supports the collection, processing, recording, storage, and display of control- and audit-related discretes.
5-minute surveillance data
NTM supports the collection, processing, recording, storage, and display of all 5-Minute Surveillance measurements. This includes the following categories of data:
• Additional Ineffective Machine Attempts (IMAs)
• Automatic Controls Trunk Group Flags
• Call Direction and Load
• Common Channel Signaling (CCS) and 800 Service
• Counts per Code Control
• Counts per Reroute Control
• Critical Service Circuits
• Delayed Readiness
• Host-Remote Link Performance
• Inter-Exchange Carrier Shared Trunk Group
• Matching Loss and No Circuits
• Network Management Control Counts
• Overload
• Peripheral Unit Performance
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• System Performance
• Trunk Group (TG)
Derived data measurements
NTM supports the creation, processing, recording, storage, and display of all “derived data measurements” associated with the “raw” measurements in all 5-Minute Surveillance Data.
Data “streaming”
The GTD-5 Switch does not support the “scheduling” of data. Rather, it sends all available data as a single “stream”. NTM supports the collection of 5-Minute Data from the GTD-5 Switch sent in this manner.
Protective TG control management
NTM supports the management of the protective TG controls Cancel-To and Cancel-From in GTD-5 Switches. The protective TG controls can be applied as a percentage- or rate-based control. A maximum of 500 “route” controls is supported via the interface.
Expansive TG control management
NTM supports the management of the expansive TG controls SKIP, Immediate Reroute, and Overflow Reroute in GTD-5 Switches. The expansive TG controls can be applied as a percentage- or rate-based control. A maximum of 500 “route” controls is supported via the interface. The GTD-5 Switch's reroute controls can be activated by specifying either via TGs or via route indices. NTM supports both methods of activating a reroute in the GTD-5 Switch.
Automatic TG control management
NTM supports the management of the automatic TG controls Selective Trunk Reservation and Selective Incoming Load Control in GTD-5 Switches. A maximum of 500 “route”
controls is supported via the interface.
Manual call gapping control management
NTM supports the management of the Manual Call Gapping control in GTD-5 Switches.
The GTD-5 version of the Manual Call Gapping control supports controlling on 4 Digit Carrier Identification Codes. The GTD-5 Switch's Manual Call Gapping control can differentiate between line-to-line and trunk-to-line calls. In addition, there are parameters to control on Access Tandem Routing Codes, Prefix Digit Types, Pseudo-country Codes, Integrated Services Digital Network (ISDN) User Part (ISUP) Routing Codes, and Feature Group Type. A total of 500 Manual Call Gapping controls is supported via the interface.
Total office control management
NTM supports the management of the Total Office control in GTD-5 Switches.
Hard-to-reach (HTR) list management
NTM supports the management of a HTR List in GTD-5 Switches. Up to 500 codes can be manually added to or deleted from the list via the interface.
HTR control options
NTM supports the specification of a HTR option on route controls in the GTD-5 Switch via the interface.
“NTM interest” TG scheduling
NTM supports the scheduling of up to 256 Trunk Groups in the switch for which 5-Minute Surveillance Data is collected.
NTM TG schedule
NTM supports managing a GTD-5 Switch's “NTM TG Schedule” that contains up to 256 TGs.
TG list audit
NTM supports the auditing the TGs in the GTD-5 Switch. Up to 2000 TGs can be reported on via the interface. For this interface, the maximum value for a TG ID in the GTD-5 Switch is set at 9999.
Manual protective TG control audit
NTM supports the auditing of manual protective TG controls active in the GTD-5 Switch.
Manual expansive TG control audit
NTM supports the auditing of manual expansive TG controls active in the GTD-5 Switch.
Code control audit
NTM supports the auditing of Manual Call Gapping controls active in the GTD-5 Switch.
HTR list audit
NTM supports the auditing of the HTR List in the GTD-5 Switch.
Identification of GTD-5 switches with surveillance and control capability
NTM supports three new “internal” generic identifier that symbolizes the GTD-5 Switches with Generics 1641, 1711, and 1721.
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Measurement polling, undesired events handling, and data error checking for GTD-5 switches NTM supports a variety of messages on the interface to GTD-5 Switches for the management of the transmission of data, audits, and controls between NTM and the switch.
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