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Features of CTX 670
Multiple System Networking Brings
All Your Offices Together
• Toshiba designed and engineered world-class networking capabilities into the Strata
CTX670. Using QSIG protocol and Toshiba-specific QSIG elements, networked systems function
as one integrated Strata system. Strata® Net delivers a rich set of calling features
across multiple Strata CTX670 systems distributed throughout your enterprise.
• Coordinated Numbering Plan: Strata Net can be configured to allow users to call
each other across network nodes with simple network directory numbers. This eliminates the
user’s need for access codes and network maps. Calls that encounter a busy or
unanswered destination can be forwarded to any node in the network, including a
centralized voice mail system or attendant.
• QSIG Call Control: The Strata CTX670 conforms to the QSIG standard for Call
Control. This is the basis for all Strata Net connectivity and interoperability with PBXs
from other manufacturers.* QSIG Call Control provides for connection, dialing,
identification of calling and called parties’ names and numbers and message waiting
indications, as well as other features.
• Alternate Routing: Each Strata CTX670 can be programmed for thousands of Strata Net
routing patterns. This allows you to create networks in which calls can be automatically
re-routed around network disruptions. Centralized facilities and features can continue to
work and users will be unaware of problems while they are being repaired. Alternate
Routing also permits Toll Bypass, enabling Strata Net to deliver a public call from a
point in the network where toll charges are minimized. This built-in “Hop Off”
capability automatically determines when the private network should switch a call to the
public network.
• Centralized Attendant: One attendant can serve an entire Strata Net. Station users
only need to dial “0” to reach the centralized attendant, regardless of the node
in which they reside. The attendant can reach any station in the network using its Network
Directory Number. Trunks attached to any network node can be programmed to terminate to
the centralized attendant. Their source and calling party information will be delivered to
the attendant’s display.
• Centralized Voice Mail: A voice mail system attached to any Strata Net network node
can serve users throughout the enterprise. Unanswered calls are forwarded to voice mail.
The source and calling conditions are identified and the appropriate voice mailbox
greeting is played. The voice mail system can control message-waiting indications
throughout the network as messages are left and retrieved. A single network can even
support multiple centralized voice mail systems, with each station being programmed for
the appropriate system.
• Network SMDR: An external Strata Net call generates a call record at both the
originating and terminating node for that call. Transit nodes do not generate records. The
records can be stored in customer-supplied external buffers at each node. Polling call
accounting software can gather and organize the data from multiple nodes. Local buffering
provides survivability if a network disruption occurs.
* Toshiba has not tested Strata CTX670 interoperability with non-Toshiba PBXs and does
not guarantee such interoperability.
Integrated Services Digital Network (ISDN)*
• Primary Rate Interface (PRI)
Designed as the trunk interface to the ISDN network, PRI is used to send and receive voice
and/or data calls over the same network. The call-by-call feature enables PRI channels to
be dynamically allocated as needed for use of a variety of services, such as DID, Tie, FX,
WATS, 800, etc., on demand.
• Basic Rate Interface (BRI)
Station side connection provides a low-cost ISDN solution, enabling you to connect devices
such as a PC, LAN bridge or router, Internet access device, video conference terminal,
group IV fax, ISDN telephone, or other devices that benefit from an all-digital
transmission link. Trunk side connection enables BRI lines to be used by all telephones
for incoming and outgoing calls.
• Cost-Saving Applications
PRI can save money by enabling the call-by-call use of the channels on the PRI link for a
variety of services on demand. BRI provides a low-cost solution for high-speed LAN and
Internet access, plus video conferencing applications. Calling Number Identification
Services (CNIS) and Dialed Number Identification Service (DNIS) are provided over ISDN
lines at no additional monthly charge. With its superior speed and faster call setup, ISDN
helps you maximize productivity.
• Some features implementation may require additional auxilliary equipment.
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