EXTenderTM 3000
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EXTender 3000
Remote client device for single-users over ISDN networks
Designed for enterprises and call
centers looking to extend corporate
voice systems to teleworkers and
home-based call center agents,
MCK’s EXTender 3000 is a remote
client device that supports seamless
remote access to corporate PBX/KTS
systems and associated applications.
Increases the effectiveness of
telework initiatives
Extends corporate PBX functionality
and applications over ISDN networks
Ensures superior voice quality
Ensures Ease of use
Leverages your legacy investments
Works seamlessly with all leading
PBX/KTS systems
MCK Communications, Inc.
75 Second Avenue, Suite 710
Needham, MA 02494
Toll Free: 888-454-7979
Telephone : 617-454-6100
Fax: 617-454-6101
Citel Technologies
1420 Fifth Avenue, Suite 1650
Seattle, WA 98101
Toll Free: 877-248-3587
Telephone: 206-957-6270
Fax: 206-957-6275
Increase the effectiveness of your
telework initiatives
As more and more companies realize the benefits
of teleworking, many are challenged to integrate
remote workers’ home offices with critical
business systems like corporate voice and data
networks. To be truly productive, remote workers need home-based access to critical network
resources, including a high-speed data connection
and a feature-rich telephone system. MCK’s
EXTender family of products addresses the needs
of teleworkers, empowering them with easy and
convenient access to all the same telephony features available at a corporate office or central call
center, regardless of their geographic location.
By enabling transparent access to home office
workers through your main phone number,
customers will appreciate the ease with which
they can communicate with your organization.
Teleworkers can work more efficiently and productively with seamless access to the corporate voice
network from any location.
Designed for single-user, ISDN-based home networks, MCK’s EXTender 3000 is a remote client
device that supports seamless remote access to
a corporate voice network and associated applications over ISDN lines. With its built-in ISDN line
interface, remote users can easily connect their
digital phone and PC into the EXTender 3000.
The EXTender 3000 can be configured in a
single user scenario with a switch unit at the
corporate site and a remote unit in the home
office or in a multi-user scenario with a
PBXgateway® II 1 or PBXtender rack at the
corporate site connected to multiple remote
units at individual home offices. Users may
choose to connect their computers to the
office LAN over the same ISDN B-channel or
take advantage of the second B-channel to
provide a dedicated data channel to the office
data network or a local Internet Service
Provider. There are two versions available to
provide flexibility in configuration; Model T
uses the second B channel to emulate a
terminal adapter allowing users to connect
their PC to the LAN via
a PPP dial-up connection, Model E uses the
second B channel for data transmission
through a 10Base-T Ethernet connection.
Depending on the needs of the remote user,
the second ISDN B-channel can also be used for
analog applications such as fax or modem connection.
Ensures superior voice quality
The EXTender 3000 uses MCK’s Remote Voice
Protocol over IP (RVPoIP) to convert digital
voice and phone signaling into highly efficient IP
data packets, which can be transmitted over any
TCP/IP network, while the device’s sophisticated echo cancellation and noise detection algorithms ensure superior voice quality.
Ensures Ease of use
Teleworkers are able to use the same digital
deskset that corporate employees use and are
comfortable with. Installation is plug-and-play
and set-up is easily accomplished using the
phone display.
Leverages your legacy investments
MCK is committed to maximizing the utility of
your existing TDM-based PBX by extending its
functionality to teleworkers and home-based
call center agents. The EXTender 3000 delivers seamless access to both voice and data
networks over a single ISDN network connection to the corporate office, further reducing
your cost structure and ensuring the effectiveness and efficiency of your telework initiatives.
What’s more, the EXTender 3000 allows you
to use your existing phonesets, reducing your
total cost of ownership and eliminating the
need for additional user training.
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Technical Specifications - EXTender 3000
System Details
General Set-up Guidelines
• Size: 8.0" x 8.0" x 1.5"
(205mm x 205mm x 40mm)
• Weight: 2.2 lbs (1 kg)
Operating Environment
• Temperature: 32° - 130° F (0° - 55° C)
• Relative humidity: 5 to 95% (non-condensing)
• The EXTender 3000 works over ISDN BRI lines and
has an internal line interface.
• For a single user, an EXTender 3000 Switch Unit is
installed at the corporate PBX/KTS and an
EXTender 3000 Remote Unit is installed at the
home office.
• For multiple users, an EXTender 3000 Remote Unit
is installed at each home office. All Remote Units
are connected to either a PBXgateway II1 or an
EXTender Rack.
• Data connection for model T is via a PPP dial up
connection through a DB-9 to RS-232 and the data
rate is Dedicated 57.6 kbps.
• Data connection for model E is via a 10Base-T
Ethernet (ethernet cable included) and the data
rate is a dedicated 64 kbps plus compression.
• Form factor: Small footprint; desktop or wall
mountable unit
Key Features
• Call-on-demand
• ACD software compatible
• 32 kbps voice compression
• Software upgradeable via Flash ROM using
the RS-232 port or the ISDN link
• Additional analog port available for second
B channel
Connectors Included on Unit
PBX/KTS Compatibility
The EXTender 3000 supports leading PBX
protocols including:
• Alcatel: Omni PCX Enterprise and Office
• AvayaTM: DEFINITY® ECS (release 3 or later)
• Ericsson: MD110 and BP250
and Electra Elite
• Nortel: BCM, Meridian® and Norstar®
• One RJ-11/RJ-45 for digital phone set
• One RJ-11 for analog device connection
(remote module only)
• One RJ-45 10Base-T Ethernet for PC
connection (optional)
• One DB-9 RS-232 for device management
(both models) and data transmission
(model T only)
• One RJ-45 for ISDN cable
• One power supply
Power Supply
• External adapter (included)
• Line voltage: 120 VAC
• Frequency: 60 Hz
• Maximum power draw: 16 watts
Regulatory Approvals
• NRTL/C (CSA and UL), FCC Part 15 (Class A on
Switch and Class B on Remote), FCC Part 68 and
Industry Canada
• One-year limited warranty for parts and labor
including advance replacement when a unit is
shipped back for repair. Effective January 1, 2004,
advance replacement will be included on all products and will be retroactive to products
purchased between January 1 and December
31, 2003.
Voice Protocols
• Voice compression algorithm: G.726
(32 kbps ADPCM)
1st BRI B Channel for voice
Public Switched
2nd BRI B Channel
(for data)
Optional Analog
modem, fax or
voice over 2nd
B Channel
MCK EXTender ® 3000
Remote Module
MCK EXTender ® 3000
Switch Module, PBXtender
or EXTender PBXgatway ® II
Compatible Digital
PC Connection
Server Connection
Product specifications subject to change without notice.
*MCK's IP-based products utilize Voice over IP (VoIP) technology to deliver remote voice solutions. The voice quality of these solutions is dependent on variables such as available bandwidth, network
latency and quality of service (QoS) initiatives, all of which are controlled by the network and Internet service providers. Because these variables are not in MCK's control, it cannot guarantee the
performance of the user's IP-based remote voice solution.
Software release 3.1 is required for direct termination of frame relay. MCK, the MCK logo, MCK EXTender, PBXgateway, RVP and RVPoIP are trademarks of Citel Technologies Ltd.
Other brand and product names referenced herein are trademarks of their respective holders.
© 2005 MCK Communications, Inc. 3000-0205
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