3com Router 4-Port E&M FIC- MSR wireless router

Router 4-Port E&M FIC- MSR Maximize Performance with Optional Interface Modules
These Flexible Interface Cards (FICs) provide a variety of expansion options that let you enhance router performance to optimize network operation. Customize your network to your business needs.
Provides 4 E&M ports for connection to a PABX
Facilitates scalable and secure network operation
Maximizes interface density and slot efficiency
4 E&M ports enable connection to a PABX
Backward compatibility with existing Flexible Interface Cards (FICs) and Smart Interface Cards (SICs) enhances your network infrastructure investment protection and provides maximum configuration flexibility
Support for industry standards such as Session Internet Protocol (SIP)—which integrates data, voice and video in a single call—maximizes interoperability and protects your network infrastructure investment from obsolescence
VoIP support enables enterprises to bypass toll calls, decreasing telecommunications expenses by an industry-accepted average of 25% to 60% annually
FICs facilitate scalable and secure network operation
FICs maximize interface density and slot efficiency