NETGEAR XM128, Reference Manual

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Reference Guide for the Model XM128 ISDN Digital Modem
8-4 Analog Call Handling
Accepting an Incoming Call
Incoming ISDN calls are directed to one of the analog ports (PHONE 1 or PHONE 2) if:
• A voice call is sent to one of the two analog adapters automatically when it is received. As the
manufacturer default, the call is sent to the analog adapter, PHONE 1, first then PHONE 2 if
PHONE 1 is busy.
• The MSN is set (AT&ZIn=s, as shown in Table 6-1 to specify the phone number (s) the remote
user dialed to be sent to specific analog adapter, n.
• The MSN setting for the phone number in the incoming setup message is acceptable to both
the analog adapters, and the ambiguity resolution bit is set to 0 or 1.