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Generally, a BSV interface is used to connect an ISDN digital telephone. Also, it can be used as a trunk
interface connecting to a PBX digital trunk. If it cooperates with an FXS or FXO interface, a BSV interface
can realize flexible routing policies for voice callings.
Configuring digital link management
You can click the link of a digital link name to access the page displaying the link state. For more
information, see Displaying ISDN link state.
Configuring VE1 line
Select Voice Management > Digital Link Management from the navigation tree, and then click the
icon of the VE1 line to be configured to access the E1 parameters configuration page.
Figure 717 E1 parameters configuration page (1)
Table 266 Configuration items
Item Descri
tion
Physical Parameters Configuration
Working Mode
Configure the working mode of the E1 interface:
•
None—Remove the existing bundle.
•
PRI trunk signaling—Bundle timeslots on an E1 interface into a PRI group.
By default, no PRI group is created.
Bound Timeslot
Number
Specify the timeslots to be bundled.
Frame Check Mode
•
CRC4—Perform cyclic redundancy check (CRC).
•
NO_CRC4—Do not perform CRC.
Line Coding
•
HDB3—The line coding format is high-density bipolar 3 (HDB3).
•
AMI—The line coding format is alternate mark inversion (AMI).
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