User`s guide

42(59)
Datum/Date Rev
Dokumentnr/DocumentnrUppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved Kontr/Checked Tillhör/Referens-File/Reference
99-07-15 A
365/155 34-ASB 150 02 Uen
FACILITY DESCRIPTION
Faktaansvarig - Subject responsible
1913
B-channel selection mode
This command states the rules for seizure of a B-
channel for outgoing calls and defines whether there
shall be a relation or no relation between the B-
channels and the individual trunk number.
Valid data: No local channel selection
Preferred selection
Exclusive selection
- linked to trunk individual
Exclusive selection
Default data for BTUD is:
Preferred selection
Default data for BTUB/MFU is:
No local channel selection
No local channel selection
BTU-D/BTU-B/MFU leaves it to the
opposite side to select a B-channel.
There is no relation between the
individual trunk number and the
B-channel.
Preferred selection
BTU-D/BTU-B/MFU informs the opposite
side which B-channel to use, it accepts,
however, also another B-channel
proposed by the opposite side. There is
no relation between individual trunk
number and B-channel.
Exclusive selection
- linked to trunk individual
BTU-D/BTU-B/MFU informs the opposite
side to use a determined B-channel and
does not accept any other. In this setting,
there is a fixed relation between individual
trunk numbers and B-channel for
incoming and outgoing traffic. In
conjunction with this setting it is possible
to create groups of channels for defined
purposes ( e.g. tenant groups,
ACD group ).
Exclusive B-channel selection
BTU-D/BTU-B/MFU informs the opposite
side to use a determined B-channel and
does not accept any other. There is
no relation between individual trunk
number and B-channel.
1914
Subscribed charging method /
Requested charging method
T-interface:
Subscribed charging method
The command is used to define the subscribed
charging method for the current ISDN-link. It states if
charging is subscribed by the network operator and
indicates the currently subscribed charging method.
This command is used to define the requested
charging method for the current ISDN-link (QSIG-
protocol).
The following charging requests are available on BTU-
B,MFU and BTUDP:
• AOC charging not requested.
• Interim charging requested for each call setup to
the private network.
If interim charging is provided for the current call
(positiverequest-answer from the public gateway
exchange ) then charging information is received
continuously during the call from private network.
• Final charging requested for each call setup to
the private network.
If final charging is provided for the current call
(positiverequest-answer from the public gateway
exchange) then charging information is received
at the end of call from private network.
Valid data: not requested
interim
final
Default data: not requested
NOTE:
INTERIM charging should be requested
(programmed) in the originating exchange
because the received AOC-information from
private network is only used for display
purposes yet (the extension's display is
updated only during call).