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122 A
PPENDIX
E: O
RDERING
ISDN S
ERVICE
EZ-ISDN 1 (if you do not want Voice Mail) or Package V or EZ-ISDN 1A (if you want
Voice Mail).
If you make this change, however, you should be aware that certain constraints
apply to both U/EZ-ISDN 1 and V/EZ-ISDN 1A -- in particular, that these codes do
not provide support for simultaneous voice and data on the same Directory
Number. For a full explanation of these constraints, refer to the section, “What
Are the Supplementary Voice Services Included in U/EZ-ISDN 1 and V/EZ-ISDN
1A?” If you must have simultaneous voice and data on the same Directory
Number, refer to the section, “What If I Need Simultaneous Voice and Data
Capability on Both Numbers?”
Table of ISDN
Ordering Code
Capabilities
Table 15 lists the exact supplementary voice services included under Capability
Packages U, EZ-ISDN 1, V and EZ-ISDN 1A, 3Com’s recommended ISDN Ordering
Codes for use with the ISDN LAN Modem.
Table 15
Package U or EZ-ISDN 1 Package V or EZ-ISDN 1A
Supplementary
Voice Service
Automatic
Support on
Telephone
Number1?
Automatic
Support on
Telephone
Number2?
Automatic
Support on
Telephone
Number1?
Automatic
Support on
Telephone
Number2?
Call Waiting and Dynamic
Bandwidth Allocation
(Additional Call Offering)
YES NO YES NO
Call Conference and Call
Transfer (Flexible Call
Offering)
YES NO YES NO
Call Forwarding (Call
Forwarding Variable)
YES NO YES NO
Caller ID YES YES YES YES
Outgoing Caller ID
Blocking (Calling Number
Privacy)
NO NO NO NO
Voice Mail NO NO YES NO