Toshiba Strata Ctx100, Ctx670 General Description Manual

							Features
DTMF Receivers
Strata CTX General Description    06/0357
[DSS] Button Status Display
Red, steady: Busy on a call not connected to your telephone
Green, steady: Busy on a call connected to your telephone
Red, quick flash rate: Ringing
Red, slow flash rate: Do Not Disturb
DTMF Receivers
DTMF receivers are used when receiving incoming DNIS DID, Tie or DISA line calls and when 
originating calls with standard tone-dial telephones. Voice mail systems also require DTMF 
receivers for a number of VM features, even if using SMDI or Toshiba Proprietary VM 
integration. Four circuits are automatically active with the initial basic processor. Activation of 
more than four receivers requires the purchase of a DTMF software license, in four-circuit 
increments.
DTMF receivers require an optional ARCS subassembly on the CTX100 processor and are built 
into the CTX670 processor. For the number of receiver circuits, refer to Table 7 on page 14.
DTMF Back Tone
The system can be programmed to allow or prevent Dual-tone Multi-frequency (DTMF) tones 
from being returned to digital telephones when a user dials on outside lines or sends DTMF digits 
to a voice mail device.
DTMF and Dial Pulse CO Line Compatibility
When making outside calls, signals generated by pressing the dial pad buttons of a digital 
telephone are neither DTMF nor rotary dial signals – they are digital signals. The system can be 
programmed to translate these signals to either DTMF or rotary dial signals as required by the 
serving CO. Once the connection has been made, any further digits sent will always be sent as 
DTMF or rotary to allow the operation of devices at the other end of the connection.
DTMF Signal Time
DTMF tones that are sent via Speed Dial to lines and via automatic dialing to voice mail devices 
can be set to 80 or 160 milliseconds, or continuously. The time can be set system wide 
independently for line out-dialing and for voice mail automatic dialing.
Emergency Call
An Emergency Call access code can be established in the Strata CTX to route calls to specified 
emergency destinations and to prioritize their delivery to those destinations. Up to four emergency 
destinations can be programmed for each mode of operation: Day, Day2 and Night. This is 
particularly useful in applications where employees, patients or guests are not expected to know 
where to call for help at different times of the day. 
						

							Features
Feature Prompting with Soft Keys
58Strata CTX General Description    06/03
Feature Prompting with Soft Keys
As an alternative to dialing access codes and using feature buttons, station users with LCD digital 
telephones use Soft Keys (shown on their LCD) to access features. Abbreviated feature names 
appear during a call (when the telephone is in the ring or talk state) on the LCD above fixed keys. 
Users can select a feature by pressing the associated key. The LCD feature selections change 
according to the call state to provide the most logical options.
Enhanced E911
Enhanced 911 calling means the routing of a call to the appropriate Public Safety Answering 
Position (PSAP) accompanied by Caller Emergency Services Identifier (CESID). The CESID 
identifies the location to which emergency services are to be sent. The Strata CTX can use two 
types of trunks to deliver E911 calls: ISDN Primary Rate Interface and CAMA (Centralized 
Automatic Message Accounting) trunks. Each 911 call generates an SMDR record at the 
beginning of the call to enable the business to initiate its own emergency response. Internal 
emergency destinations can also be automatically included in an emergency call. E911 calls can be 
routed across a Strata Net network for connection to the public network.
External Amplified Speaker
The External Amplified Speaker (HESB) is a six-inch, three-watt speaker with a three-watt 
amplifier built into a wooden speaker box. The amplified ringer can be used to:
 Amplify the ringing on a digital telephone.
 Provide a paging amplifier/speaker.
 Create an amplified talk-back speaker arrangement in an area where a telephone is not needed. 
The HESB is installed as a speaker and connected to a door phone unit that is used as the talk-
back microphone.
Amplified ringing can improve call handling in noisy areas where non-amplified ringing on a 
phone may not be heard.
A paging speaker ensures that paging announcements can be clearly heard throughout an area. In 
an area where a DKT is not needed, a talk-back speaker provides a cost-effective communications 
solution.
The number of HESBs that can be installed per system depends on the function of the HESB. Any 
number of HESBs can provide loud ringers for digital telephones. Only one HESB can be installed 
if it is used as a paging or an amplified talk-back speaker.
NoteA BHEU interface and an HESC-65A cable are required for each digital phone that has a 
loud ringing bell. IP telephones require HESC-65A, but not BHEU to support External 
Amplified Speaker. A 3000- or 2000-series digital telephone that has been upgraded with a 
data interface unit can be upgraded with the BHEU options, but older telephone models 
cannot. 
						

							Features
Flash Button
Strata CTX General Description    06/0359
Flash Button
This is an optional button that can be assigned on digital telephones. It can be used either to 
disconnect a line and regain CO dial tone, or to gain access to Centrex features. The timing choice 
is set system wide through system programming. Standard telephones can dial an access code to 
flash Centrex lines.
Flexible Line Ringing
CO line ringing can be assigned to ring a specified [DN] on a station, a [DN] appearing on 
multiple stations, a Pilot [DN], a direct appearance of the CO line, a Pooled appearance of CO 
lines, or Group CO line appearance. These assignments direct the ringing of the incoming call 
based upon the three Day/Night Modes of operation and offer immediate and two delayed ringing 
parameters. The delay parameters are assigned for each incoming Line Group.
Flexible Numbering
The Strata CTX allows the system-numbering plan to be customized for the user’s needs. 
Directory numbers, line and feature access codes, and Network Coordinated Numbering can be 
established uniquely in each system.
Handsfree Answerback
When a voice-announced internal [DN] call comes in to a digital telephone, users can answer 
without lifting the handset. Cordless and single line digital telephones and standard telephones are 
not compatible with this feature.
Headset
3000-series digital telephones may be optionally equipped with a modular headset jack by 
installing a BHEU PCB.
Hearing Aid Compatible
All Toshiba digital telephones are hearing aid compatible.
High Call Volume Buttons
, #$, and  buttons can be assigned to digital telephones. They 
enable a busy user to handle calls quickly and efficiently in high call volume situations. 
With one touch of the  button, a user can disconnect from a call. This is especially useful 
in headset applications. The 
#$ button disconnects or transfers the current call, 
and answers the next. The 
 button voids the last operation, such as disconnecting internal 
or external parties from conference or tandem calls. 
						

							Features
Hold
60Strata CTX General Description    06/03
Hold
There are several variations of Hold:
Automatic Hold
This option enables a user to place a CO Line or [DN] call on Hold by pressing another CO Line or 
[DN] button. The user can then alternate between the new and the old call by pressing the desired 
 or [DN]. If this feature is not activated, users must press 	
 before accessing another line 
and switching between calls.
Analog Hold
This option enables a user to place a CO Line or [DN] call on Hold and the Line LED will flash on 
other DKT telephones when the call is parked. This enables the call to be picked up from other 
telephones. This feature must be set in programming.
Call Hold
This is the most commonly used. Call Hold temporarily suspends a call, allowing the station user 
to do other things, including using the phone. Callers on hold can receive music or announcements 
as described in the Music-on-hold feature.
Consultation Hold
This is used when invoking other call features, such as Call Transfer or Conference.
Exclusive Hold
A call can be placed on Exclusive Hold to ensure the privacy of the connection and that the call 
can only be retrieved by you, even if the held call appears on buttons on other telephones. 
Hold Recall
After placing a call on hold, it will recall the holding telephone after a predetermined time to 
remind the user of the held call. The hold recall time is set independently for each telephone (from 
0~255 secs.). Hold recall time can also be disabled.
Hot Dialing
Hot dialing enables the digital telephone user to begin on-hook dialing without pressing a  or 
[DN] button. The station can be programmed to automatically select a 
 or [PDN] button when 
the dial pad is pressed while the station is idle. This saves a keystroke by not requiring the station 
user to press a [DN] or 
 button to begin on-hook dialing. On-hook dialing saves time by not 
requiring the station user to lift the handset to begin dialing.
Hotline Service
If a station remains off hook for a programmable period, it can automatically be directed 
(immediately or with a delay) to a pre-programmed destination. The station may have partially 
dialed a number or have dialed no digits at all. 
Each station is programmed with its specific ring down destination. This is particularly useful in 
applications where employees, patients or guests are not expected to know where to call for help at 
different times of the day. This feature is compatible with standard and digital telephones. 
						

							Features
IP Telephony
Strata CTX General Description    06/0361
IP Telephony
Data Network Assessment for Voice Traffic
Important!Voice over Internet Protocol (VoIP) can be affected by numerous factors related to 
network structure and design. To prevent delays, jitter and voice data packet loss, 
and achieve optimum VoIP traffic performance, your network must be designed or 
redesigned for voice traffic with priority over data.
Toshiba highly recommends that the installing dealer assess the existing network for proper 
handling of voice traffic and make sure it provides the required bandwidth per the number of 
deployed VoIP instruments. Toshiba is not responsible for: network assessment for voice traffic, 
network design/redesign or network support outside the topology it provides. Nor is Toshiba 
responsible for diminished Quality of Service (QoS) caused by networks not capable of providing 
necessary VoIP bandwidth.
Expected voice QoS as it relates to network parameters is shown in Table 35 on page 96. 
Overview
The CTX supports Toshiba proprietary IP telephones, enhancing the CTX VoIP capabilities, and 
providing powerful IP telephony add-on solutions for remote users. The Toshiba IPT1020-SD IP 
telephone is compatible with both Strata CTX100 and CTX670 systems with Release 2.0 or higher 
software. 
The Toshiba IP telephony strategy is based upon a transitional approach. For most enterprises, the 
migration path to IP telephony will be a gradual process rather than an event in time. Instead of 
acquiring IP technology benefits through complete system replacement at higher cost and higher 
risk, most enterprises prefer to integrate voice and data IP traffic into their existing telephone 
systems as the need arises. This protects their investment in existing voice and data networks and 
represents a low risk migration path. Toshiba has transformed Strata CTX systems into IP-enabled 
communication systems to achieve this very important objective. 
IP Telephone
The Toshiba IPT1020-SD IP telephone supports almost all the same Strata CTX features as 3000-
series digital telephones, extending the functionality of the Strata CTX to any location supported 
over an IP network. The only feature the IPT1020-SD telephone does not support is Speaker Off-
hook Call Announce, but it does support Off-hook Call Announce over telephone handset. (For a 
photo, see “IP Telephone” on page 31).
CTX IP Protocol
CTX IP uses an industry standard IP communication protocol, RFC3015 Media Gateway Control 
(MEGACO+). Toshiba chose the MEGACO+ protocol for call control because it provides better 
stimulus response that makes the telephone work efficiently over the IP network local area or wide 
area network (LAN or WAN). In fact, Toshiba uses an enhanced version of MEGACO+ that 
enables the Strata CTX to provide all the feature functionality of DKT3000-series telephone to IP 
telephone users much better than could be done using other protocols. 
						

							Features
IP Telephony
62Strata CTX General Description    06/03
This represents a very powerful feature set, as compared to many competitors’ IP telephones 
which don’t support important telephone features such as:
 Busy Lamp Field (BLF) display of station status
 Background Music through telephone speakers
 Paging over telephone speakers
 Off-hook Call Announce over telephone handset
IP Telephone Features
The Toshiba IPT1020-SD IP telephone is 
a 20-button speakerphone with a two-line 
by 24-character display. It looks and 
functions just like a DKT3020-SD digital 
telephone; however, it has different built-
in connectors (shown right):
  The AC adapter (model BADP120-
1A supplied with the IPT1020-SD) 
powers the telephone if PowerDsine’s 
Power Over LAN
TM is not used (see 
“Power Over LAN” on page 66 for 
details). IPT1020-SDs do not use the 
CTX power supply, so there is no 
power restriction to limit the number 
of IP telephones that can connect to an 
individual Strata CTX cabinet.
 The RJ45 LAN jack connects the 
telephone to the network via the 
10Base-T/100Base-TX cable supplied 
with the IPT1020-SD. The IPT1020-
SD operates on the network at 10/100 
Mbps and can be connected to a fast 
switch hub, router, LAN, WAN, etc. 
 The RJ45 PC jack can connect the IPT1020-SD to the user’s PC. The IPT1020-SD can operate 
like a switch, as opposed to a hub, so the telephone can be connected directly to the LAN or 
Cable/DSL modem, and then a PC can be connected to the telephone PC jack to connect to the 
LAN through the telephone.
 The built-in headset jack enables headsets to be connected to the telephone. No optional 
headset interface is required. The same carbon or ECM headsets used on Toshiba digital 
telephones can be used on IP telephones.
The IPT1020-SD also has the following attributes and capabilities:
 The IPT1020-SD contains two types of codecs (coder/decoder): G.711 and G.729A. The codec 
determines the IP telephone voice quality and network bandwidth requirements. The G.711 
requires the most bandwidth and provides the best voice quality. The G.729A requires less 
bandwidth, but it does not provide the best voice quality. The desired codec is selectable for 
each IP telephone in IP station administration using CTX WinAdmin. 
 The external ringer interface connector is mounted inside the telephone base. This enables 
connection of an HESB external speaker device to provide a loud ringer for the IP telephone.
DC12V_+
LANPCHEADSET
AC AdapterConnects
to LAN Switch,
Router 
Power 
Over LANConnects
to PC
Built in  
Headset
or HESB 
Interface 
6682 
						

							Features
IP Telephony
Strata CTX General Description    06/0363
 Existing tilt stands (BTSD and BTSA) are compatible with then IPT1020-SD to adjust the 
angle of the telephone as desired.
 There is no limit to the number of IP telephones that can be configured on Strata CTX systems. 
All telephones in the system can be IP telephones up to the system’s maximum station capacity 
(see Table 4 on page 11).
 Terminal Authentication is an option that allows a particular IP telephone to keep a reserved 
directory number on a CTX system. This prevents IP telephones from logging in with another 
telephone’s directory number if the other telephone has been disconnected to be taken to 
another location. This feature uses the unique Media Access Control (MAC) address that is 
permanently coded into each telephone network interface circuit. The unique MAC address of 
the telephone is assigned to a particular directory number in system programming.
 IPT firmware can be updated locally or remotely using CTX WinAdmin. This enables service 
personnel to update IP equipment with new features and enhancements as they become 
available. Updates require a brief interruption of IP telephone operation (a few minutes).
 IP telephones have a discovery retry timer to prevent network congestion when many IP 
telephones request services simultaneously. If network congestion is detected, the telephone 
will pause and then retry for service.
 IP telephones have loop back and ping capabilities for maintenance and fault finding purposes. 
 IP telephones support Dynamic Host Configuration Protocol (DHCP) or static IP addressing.
For a photo of the IPT1020-SD, see “IP Telephone” on page 31.
IP Add-on Module
A 20-button Add-on Module (DADM3120) is available for use with the IPT1020-SD IP telephone. 
It looks and functions just like a DADM3020 digital Add-on Module. The DADM3120s can 
connect to the IPT1020-SD IP or DKT3000-series telephones to provide 20 or 40 additional 
feature or DSS/BLF buttons.
IP Interface Unit
The IP interface unit (BIPU-M2A) is a 16-port PCB that installs in a slot in the Strata CTX. The 
BIPU-M2A has the following attributes and capabilities:
 The BIPU-M2A can be programmed in software to activate 16 channels to interface with 
IPT1020-SD telephones. 
 The BIPU-M2A supports both G.711 and G.729A standard codec compressions simultaneously. 
The type of compression used is set independently for each telephone in system programming 
(see the “IP Telephone” section.) 
 The BIPU-M2A operates on the network at 10/100 Mbps and can be connected to a fast switch 
router, LAN, WAN, etc. When connecting remote IP telephones to the BIPU-M2A over the 
Internet a VPN router is not needed to circumvent Network Address Translation (NAT) and 
firewall issues by tunneling.
 BIPU-M2A provides MEGACO+ mobility to enable roaming with Toshiba Mobility 
Communications System (MCS) applications (available with Toshiba MCS R1.0). The 
BIPU-M2 enables remote IP telephones to be connected over VPN and non-VPN IP networks.
 BIPU-M2A firmware can be updated locally or remotely using CTX WinAdmin. This enables 
service personnel to update IP equipment with new features and enhancements as they become 
available. Updates require a brief interruption of IP telephone operation (a few minutes). 
						

							Features
IP Telephony
64Strata CTX General Description    06/03
IPT Anywhere
IPT Anywhere enables you to connect IP telephones remotely through the Internet and use all Strata 
CTX telephone features (except Speaker OCA). IPT remote connections can be set with or without 
the use of Virtual Private Network (VPN). VPN connections provide increased security and are 
recommended for permanent type IPT remote connections. When moving IPT telephones frequently 
to different locations (hotels, conferences, etc.), non-VPN connections are more practical. 
When using home type xDSL or cable connections, only one or two IPTs may be connected 
because of xDSL and cable bandwidth limitations. High speed T1, fiber, or Asynchronous Transfer 
Mode 
(ATM)-type connections are required when installing more than two IPTs at a remote site.
An Internet configuration could use the following connections:
No VPN, and thus, no security
Third party VPN software residing on DHCP gateway server. To connect IPTs over the Internet, 
using third party or Microsoft VPN software residing on a DHCP gateway server, see Figure 12.
ATM (IP over ATM virtualization by VC/VP)
Broadband Ethernet virtualization by Virtual LAN (VLAN)
IP-VPN (IP-VPN based on Multi-protocol Label Switching (MPLS)
Private line connection
For an access line to link the user’s location with the access point of the carrier or provider, using a 
private line, broadband line (xDSL, CATV), or fiber optics is recommended.
The IPT Anywhere feature enables remote IP telephone users working in branch offices or home 
offices to make full use of the extension features of the Strata CTX. The diagram below shows IPT 
Anywhere connections using the optional VPN conection.
Figure 12 IPT Anywhere Example
6831
Satellite  
Office Satellite  
Office
Home Office
IPT Anywhere
Router/ 
LAN Switch Private
Line
Router/ 
LAN Switch
IP Network
(Internet, Intranet, WAN)
IPT
Main Office
LAN LANLAN LAN
Call Center 
Contact Center
IPT
IPT
IPT IPT
IPT
IPT
IPT
IPT
IPT
Strata CTX
TunnelingVPN
xDSL, Cable,
T1, Fiber, etc.
VPN Router/ 
LAN Switch
VPN Router/ 
LAN Switch
or Server
VPN Router/ 
LAN Switch
Cable/ 
DSL Modem
VPN Router/ 
LAN Switch
*
*
**
* 
						

							Features
IP Telephony
Strata CTX General Description    06/0365
Quality of Service (QoS)
In any telephone system, deploying many IP telephones on a data LAN can have some unexpected 
pitfalls if the network does not have the bandwidth and speed required to handle VoIP traffic. To 
prevent delay, jitter, and data loss for VoIP traffic and retain the performance of your other 
business-critical network applications a Network Voice Readiness Assessment must be completed 
before installing VoIP. Toshiba is not responsible for Network Voice Readiness Assessments.
More information about Voice Readiness Assessment can be found at http://www.netiq.com/
products/vm/whitepapers.asp.
CTX IP provides a number of adjustable tuning parameters dealing with sharing of network 
resources, collectively referred to as Quality of Service (QoS). Expected voice QoS as it relates to 
network parameters is shown in Table 35 on page 96. 
Some CTX IP voice quality adjustable parameters are listed below:
System Wide Parameters
 Software selectable G.711 or G.729A codecs with variable interval timing
 Type of Service (TOS) precedence, delay, throughput and reliability types can be individually 
selected
 Differentiated Services (Diffserv) can be enabled
IP Telephone Group Parameters (256 groups)
 Voice Packet Transmission Interval
 Jitter buffer type
 Jitter buffer length
 Maximum acceptable delay
 Packet loss threshold
 IEEE802.1p
Priority Control 
Priority Control can be enabled system wide. It provides a framework in which voice traffic 
flowing on an IP network is given priority for processing. The CTX supports IEEE802.1p and 
Differentiated Services “Diffserv” priority control protocols- selectable. In order to have priority 
control processing work accurately, network equipment (router, switch, etc.) must support this 
function and appropriate service must be ordered from the ISP provider or carrier.
QoS Measurement
CTX WinAdmin can measure the IPT QoS parameters listed below:
 Packets (sent/received)
 Delay (msec.)
 Jitter (msec.)
Loss (%) 
						

							Features
IP Telephony
66Strata CTX General Description    06/03
CTX Analog CO Line Interface Compatibility
To provide optimum voice quality of IP telephones on Strata CTX systems, there are some 
compatibility requirements that must be followed when using analog CO line cards in the system. 
 Toshiba highly recommends only using RCOU3A, RCOS3A, REMU2A (two-wire/four-wire), 
REMU1A (four-wire), RDDU2A, and RGLU3A analog CO line interfaces in IP telephone 
applications. These PCBs provide optimum speech quality for IPT1020-SD IP telephone 
connections.
 Do not use RCOU1A, RCOS1A, REMU1A (two-wire), RDDU1A, RGLU1A, or RGLU2A 
analog CO line interfaces in IP telephone applications. These PCBs will work, but will cause IP 
telephone users to experience unacceptable voice quality and echo return loss.
Power Over LAN
The IPT1020-SD IP telephone requires local power for operation unless connected to a LAN that 
has been equipped with special equipment to provide telephone power over the LAN. The AC 
adapter (model BADP120-1A) supplied with the IPT1020-SD powers the telephone and is 
included in the price. 
If the customer prefers not to use local power in favor of powering the telephones over the LAN, 
certain PowerDsine PD-6000 Power Over LANTM products, with software revision 6805 or later, 
are compatible with IPT1020-SD usage on a LAN. These products are purchased from 
PowerDsine, Ltd., http://www.powerdsine.com, and are not available from Toshiba.
The PowerDsine PD-6000 Power Over LAN products shown in Table 18, with software revision 
6805 or later, are compatible with the Toshiba IPT1020-SD. AC and AC/DC models are available. 
Important!Whenever ordering PowerDsine PD-6000 “Power Over LAN” products, be sure to 
specify they have software revision 6805 or later, and they are for use with the 
Toshiba IPT1020-SD IP telephone. You can tell the software version by looking at 
the serial number of the PowerDsine unit. The four-digit software version number is 
imbedded in the middle of the 15-digit serial number.
Table 18 Power Over LAN Specifications
Ports, appearanceModel NameInputOutput
24 port typePD-PH-6024/ACDC/48AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
DC input Current: 10A at 48 VDC
Output Voltage: -
48VDC
User Port 
Power: 16.8W 
(Max.)
Data Rates: 
10/100 Mbps
PD-PH-6024/AC/48AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
12 port typePD-PH-6012/ACDC/48AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
DC input Current: 10A at 48 VDC
PD-PH-6012/AC/48AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
6 port typePD-PH-6006/ACDC/48AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
DC input Current: 10A at 48 VDC
PD-PH-6006/AC/48AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz