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Managing Voice and Data Calls 9-3
require a prefix for an outside line.
■ Enter the optional telephone or Directory Numbers for the two onboard modems to provide the Netopia
R2121 with the information needed to establish a two-channel call using MP or BAP. This will advise the
remote side of an inbound data call how to connect to a second channel.
Note: When placing multi-channel calls, the answering equipment must either:
■ be in a “hunt group,” where a single telephone number services multiple lines, or
■ the answering side must implement MP or BAP as a method to advise the calling side what number(s)
to use.
ISPs or corporate IS groups will meet these conditions. For other non-standard dialup connections, you
should verify that one or the other of these conditions is true.
■ You may choose to selectively Answer inbound calls, based on a distinctive ring pattern, on each onboard
modem. This permits you to set up a party line configuration where a fax machine or other device shares
the line, but uses a different telephone number and ring pattern. Supported options are:
■ You may choose when the Netopia R2121’s modem connection tones are audible. Supported options are:
■ You can specify how to use the auxiliary serial port on the Netopia R2121’s back panel. By default, this
port is enabled for an external asynchronous modem. If you have installed the optional AppleTalk feature
set, then this port defaults to a LocalTalk connection. See “AppleTalk Setup” on page 12-1 for more
Ring Type: Description:
Any (the default) any pattern
Ring A 2.0 sec ON, 4.0 sec OFF (normal North American ring pattern)
Ring B 0.8 sec ON, 0.4 sec OFF, 0.8 sec ON, 4.0 sec OFF
Ring C 0.4 sec ON, 0.2 sec OFF, 0.4 sec ON, 0.2 sec OFF, 0.8 sec ON, 4.0 sec
OFF
Never the line will not answer to any ring pattern
Selection: Behavior:
Never Turns off all speaker activity and hides the Speaker Volume control.
Until Carrier The default. Allows call placement and handshaking tones to be heard.
During
Answer
Same as above, but blocks dialing tones.
Always Allows carrier tones to be heard, as well.