DWM-156 modem is not supported with ModemManager 0.6

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Issue

D-Link DWM-156 modem worked on Red Hat Enterprise Linux 6.3
D-Link DWM-156 modem fails to connect on Red Hat Enterprise Linux 6.4 using ModemManager 0.6.0 and 0.6.2

Environment

Red Hat Enterpise Linux (RHEL) 6
ModemManager 0.6.0 and 0.6.2
D-Link DWM-156

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