SSG 20 Hardware Installation and Configuration Guide
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8. ISDN Interface Windows
If you have the ISDN mini PIM installed on your device, a physical layer tab window
similar to the following is displayed.
Figure 12: ISDN Physical Layer Tab Window
Table 10: Field Description for ISDN Physical Layer Tab
If you have the ISDN mini PIM installed on your device, you will see the Leased Line
Mode and Dial Using BRI checkboxes. Selecting either or none displays a window
similar to the following.
NOTE: If you have two ISDN mini PIMs installed on your device and you select the
Multi-link option, you will see two Physical Layer tabs.
Field Description
Switch Type Sets the service provider switch type:
att5e - At&T 5ESS
ntdms100 - Nortel DMS 100
ins-net - NTT INS-Net
etsi - European variants
ni1 - National ISDN-1
SPID1 Service Provider ID, usually a seven-digit telephone number with
some optional numbers. Only the DMS-100 and NI1 switch
types require SPIDs. The DMS-100 switch type has two SPIDs
assigned, one for each B-channel.
SPID2 Back up service provider ID.
TEI Negotiation Specifies when to negotiate TEI, either at startup or on the first
call. Typically this setting is used for ISDN service offerings in
Europe and connections to DMS-100 switches that are designed
to initiate TEI negotiation.
Calling Number The ISDN network billing number. TR6 switch type cannot use
this field.
T310 Value The timeout value (in seconds) before sending a DISC to the
network. Default value is 10.
Sending Complete checkbox Enables sending complete information to outgoing setup
message. Usually only used in Hong Kong and Taiwan.
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