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Telephones for the global marketplace 2 Desktop/Console Solutions
Overview
555-233-001 — Issue 2 — November 2000
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Digital DCP telephones
Digital telephones using the DCP use digital transmission for integrated voice, data,
and control signals. Transmission is over a connection consisting of one or two pair of
wires. Each connection supports one signalling channel and two information (voice
and data) channels.
DCP telephones are useful for people who receive a high volume of calls, require
access to multiple applications or databases, use switch features heavily, or require
messaging services. DCP telephones can be used to expand the capabilities of
personal computers.
DCP telephones provide the full range of DEFINITY ONE features on your desktop.
In addition to multiline and multifunction capabilities, they provide access to
integrated voice and data applications and messaging services.
Some models include display screens. DCP telephones can save money by reducing
the number of lines, modems, and ports that would normally be needed for analog
facilities.
The following DCP telephones are available for sale:
• 6400-Series digital telephones
• 8400-Series digital telephones
• 4600-Series digital IP telephones
4600-Series digital IP
telephones
The 4600 series is a new line of digital business phones that use the Internet Protocol
(IP) technology with Ethernet line interfaces and have downloadable firmware. This
feature provides the user with the capability to natively administer and maintain the
new 4600 series IP telephones. The line of phones includes the 4606, 4612, and 4624
models.
These new IP telephones emulate the DCP 64xx series of telephones and provide all
of the same feature set that those phones provide except for the group listen feature.
The IP phone’s dual connection architecture uses one connection to provide the media
stream via the H.323 protocol stack and another connection to provide the rich set of
DEFINITY features using the proprietary CCMS/DCP protocols over TCP/IP. The
4600 series IP telephones themselves will provide support for DHCP and TFTP over
IPv4/UDP which enhance the administration and servicing of the phones. These
phones utilize DHCP in order to obtain dynamic IP addresses and they utilize TFTP
in order to download new versions of firmware for the phones.
DEFINITY ONE supports the following 4600-Series telephones:
• The 4624 IP telephone is a digital, multi-line IP telephone that has 24 call
appearance/ feature buttons and a 2- line by 24- character display. This telephone
isdesigned for the busy executive or executive assistant who requires extensive
call handling and call coverage flexibility. The 4624 has 12 additional features
that are accessible via the 2- line by 24- character display and are selected by the
four display- associated soft keys. The 4624 has a built- in 2- way speakerphone
and can be wall mounted.