Cisco Systems and the ASA Services Module Manual De Usuario

This chapter describes how to configure the ASA for Cisco Intercompany Media Engine Proxy. 

This chapter includes the following sections: 

This section includes the following topics:

Cisco Intercompany Media Engine enables companies to interconnect on-demand, over the Internet with 
advanced features made available by VoIP technologies. Cisco Intercompany Media Engine allows for 
business-to-business federation between Cisco Unified Communications Manager clusters in different 
enterprises by utilizing peer-to-peer, security, and SIP protocols to create dynamic SIP trunks between 
businesses. A collection of enterprises work together to end up looking like one large business with 
inter-cluster trunks between them. 

The adaptive security appliance applies its existing TLS proxy, SIP Application Layer Gateway (ALG), 
and SIP verification features to the functioning of Cisco Intercompany Media Engine.