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120 A
PPENDIX
E: O
RDERING
ISDN S
ERVICE
Supplementary Voice
Services on Telephone
Number 1 Only
■
Under IOC U, EZ-ISDN 1, V and EZ-ISDN 1A, automatic support for the
following features applies only to telephone number 1:
■
Call Waiting
■
Call Conference
■
Call Transfer
■
Call Forwarding
■
Voice Mail (for V and EZ-ISDN 1A)
If you want support for these features on your second telephone number in
addition to your first, you must ask your telephone company to enable the
following extra services on your second line:
■
Additional Call Offering (ACO)
-- for Call Waiting (and Dynamic
Bandwidth Allocation)
■
Flexible Call Offering (FCO)
-- for Call Conference (Three-Way Calling)
and Call Transfer
■
Call Forwarding Variable
-- for Call Forwarding
■
Voice Mail
(if you are ordering V or EZ-ISDN 1A) for Voice Mail
Also under U, EZ-ISDN 1, V, and EZ-ISDN 1A, there is no automatic support for
Outgoing Caller ID Blocking
, a supplementary voice feature which is
supported by the ISDN LAN Modem. You can, however, request to have
Outgoing Caller ID Blocking added to either telephone number, or both, by
asking for
Calling Number Privacy
.
Only
Caller ID
is automatically supported on both telephone numbers under
packages U, EZ-ISDN 1, V and EZ-ISDN 1A.
There may be a charge for adding these services to your line. Check with your
telephone company.
If You Must Have
Simultaneous Voice and
Data Capability on Both
Numbers
If you must have the ability to place a circuit-switched data and voice call
simultaneously on the same telephone number, you can do the following,
depending upon the ISDN switch type used by your telephone company:
For Lucent Technologies 5ESS
®
Switches
When you call your telephone company to order ISDN, ask for Capability Package
U or EZ-ISDN 1 (or V or EZ-ISDN 1A, if you want Voice Mail). In addition to any
extra supplementary voice services you ask to have added to your line(s), ask to
have the parameter called “Maximum B Channel” (MAXBCHL) set to 2 for both
telephone numbers.
For Siemens EWSD Switches
When you call your telephone company to order ISDN, ask for Capability Package
U or EZ-ISDN 1 (or V or EZ-ISDN 1A, if you want Voice Mail). In addition to any
extra supplementary voice services you ask to have added to your line(s), ask to
have the following parameter set to 2 for both telephone numbers: “Number of B
Channels Per Call Type Per Office Equipment Directory Number” (NBCCTOEDN) --
also known as “BCHCT.”