Quadro Manual I: Installation Guide
Step 2-C: Using ISDN Lines
Quadro2x, 2xi; Quadro4x, 4xi; Quadro16x, 16xi (SW Version 5.3.x)
43
- slow ISDN-PBX (350ms);
- very slow ISDN-PBX (500ms).
The
Coding Type
drop down list allows you to select between
a-law
and
mu-law
coding
types.
The
Switch Type
is another configuration parameter that depends on the Service Provider.
The
Passive Mode
checkbox is used to leave the ISDN Layer1 connection in the Slave
mode. When this checkbox is selected, Layer1 remains idle when calls are not available.
When this checkbox is not selected, Quadro keeps its Layer1 always active. This checkbox
enables the
Enable TEI Remove Procedure
and
Permanent TEI Value
checkboxes. With
the
Enable TEI Remove Procedure
checkbox is selected, the trunk will lose the assigned
TEI when entering into passive mode on the Layer 2. With the
Permanent TEI Value
checkbox is selected, the trunk will keep the assigned TEI when entering into passive mode
on the Layer 2 or when Quadro detected ISDN link DOWN signal from carrier.
Channel Selection
is used to select between the
Preferred
and
Exclusive
B channel se-
lection methods. For
Preferred
channel selection, the CO answers to the call request by
the first available timeslot. With the
Exclusive
channel selection, the CO should feedback
only by the timeslot asked in the call request.
The
Bearer Establishment Procedure
drop down list allows selecting the session initia-
tion method on the B channel. One of the following options can be selected for the trans-
mission path completion prior to receipt of a call acceptance indication:
•
on channel negotiation at the destination interface
•
on progress indication with in-band information
•
on call acceptance
The
Calling Party Type of Number
drop down list allows you to select the type identifying
the origin of call.
The
Called Party Type of Number
drop down list allows you to select the type identifying
the subaddress of the called party of the call.
The
Called Party Numbering Plan
and
Calling Party Numbering Plan
drop down lists
correspondingly indicate the numbering plan of the called party's and calling party's num-
ber.
The
Incoming Called Digits Size
text field indicates the number of received digits (in a
range from 0 to 255) required to establish a call. When this field has a “0” value, the system
uses either the timeout defined in the T302 field or the
Sending Complete Information
element
messages to establish a call. Independent on the value in this field,
Sending
Complete Information element
and the pound sign always result in call establishment.
When
Generate Progress Tone to PSTN/PBX
checkbox is selected, Quadro generates
ring tones to callers during ISDN call dialing. This feature is mainly applicable to 2-stage di-
aling mode.
The
Incoming Called Digits Size
text field indicates the number of received digits (in a
range from 0 to 255) required to establish a call. When this field has a "0" value, the system
uses either the timeout defined in the T302 field or the
Sending Complete Information
element
messages to establish a call. Independent on the value in this field,
Sending
Complete Information element
and the pound sign always results in call establishment.
The
Generate Progress tone on IP
checkbox selection will generate the progress tone to
IP.
Enable CLIR Service
checkbox selection enables Calling Line Identification Restriction
(CLIR) service which displays the incoming caller ID only if Presentation Indication is al-
lowed on the remote side. Otherwise, if CLIR service is disabled, caller ID will be uncondi-
tionally displayed.
When the
Alternative Disconnection Mode
checkbox is not selected, Quadro will discon-
nect the call as soon as the disconnect message has been received from the peer. When
