The following table lists which modules you can use to connect each type of outside line.
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Line type
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Ports
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ISDN line
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ISDN ports on the MM720, MM721, and MM722 BRI media modules.
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Analog trunks
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Analog trunk ports on the MM714 or MM714B media module.
Universal analog ports on the MM711 media module.
DID wink-start and immediate-start trunk ports on the MM716 media module and the four MM714 line ports.
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T1/E1 voice lines
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The T1/E1 port on the MM710 T1/E1 media module.
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