3com Router 1-Port FXS SIC- MSR wired router

Router 1-Port FXS SIC- MSR Maximize Performance with Optional Interface Cards
These Smart Interface Cards (SICs) provide a variety of expansion options that let you enhance 3Com router performance to optimize network operation. Customize your network to your business needs.
Provides 1 FXS port for connection to an analog telephone
Facilitates scalable and secure network operation
Maximizes interface density and slot efficiency
FXS port enables an analog telephone connection
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
SICs facilitate scalable and secure network operation
SICs maximize interface density and slot efficiency