The Mediant 1000B chassis is designed to support the Advanced Mezzanine Card (AMC) or AdvancedMC form-factor modules. It provides eight AMC slots on its rear panel. The Mediant 1000B supports both VoIP gateway and MSBG data routing functionalities, by hosting either the CMX or CRMX module, respectively. The Mediant 1000B also provides support for the regular Mediant telephony modules. The Mediant 1000B chassis supports the OSN server platform.