|
where called party can see each other's pictures on
screen |
|
Desk Top Video Conferencing |
|
on dial-up basis using a single ISDN line at 128 Kbps |
|
High Quality Video Conferencing |
|
on dial-up basis between any two ISDN subscribers by
using three ISDN lines at 384 Kbps. |
|
Teleconferencing |
|
which facilitates the transmission of pictures,
documents and drawings etc., apart from voice & video
images of the participants, white board sharing &
document sharing is also possible |
|
High speed data transmission at 128 Kbps. |
|
Very high quality in digital mode on account of very
high immunity from the noise |
|
High speed facsimile. |
|
Time taken to send FAX messages reduced to 1/6th. All
other services which a conventional old telephone line
provides. Subscriber can see his metering pulses at
his premises. |
|
ISDN supports all Phone-Plus services |
|
available to conventional old telephone line. In
addition the following additional facilities are
available. |
|
Additional Facilities |
|
Calling Line Identification Presentation(CLIP) |
|
Calling Line Identification Restriction(CLIR) |
|
Closed User Group (CUG) |
|
Multiple Subscriber Number(MSN) |
|
Terminal Portability (TP) |
|
Calling Line Identification
Presentation(CLIP) |
|
When an ISDN subscriber receives a call, the calling
subscriber number will be displayed on his ISDN
telephone revealing identity of the caller giving
option to the called party to accept the call or not
during conversation . It is possible to hold two more
incoming calls and ISDN subscriber can switch between
the incoming calls. |
|
Calling Line Identification
Restriction (CLIR) |
|
By means of this service, the calling subscriber will
be able to prevent the presentation of his number to
the called subscriber (Prevention of CLIP). |
|
Multiple Subscriber Number (MSN)
|
|
Upto 8 terminals can be connected in parallel at the
subscriber premises. To call a specific terminal
separate numbers can be allotted to each terminal to
facilitate when call is received from a normal
(Analog) subscriber. Incase the call is received from
an ISDN subscriber ,the terminal Selection will be
made automatically |
|
Terminal Portability (TP) |
|
At the subscriber's premises 8 terminals can be
connected to a single ISDN line in the sockets
provided on internal wiring. The terminals can be in
different rooms on different floors. During conversion
it is possible to transfer the call from one terminal
to another or even remove the terminal and connect it
to another socket . This facility is available for
calling as well as called subscriber |
|
Closed User Group (CUG) |
|
Companies and individuals with offices in different
cities can have their ISDN numbers function in a
closed user group i.e. like a private network, both
for voice and data . This group enjoys certain calling
privileges like select call- barring and addition
level of security. |