CHAPTER
47-1
Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
47
Configuring Cisco Intercompany Media Engine
Proxy
This chapter describes how to configure the adaptive security appliance for Cisco Intercompany Media
Engine Proxy.
This chapter includes the following sections:
• Information About Cisco Intercompany Media Engine Proxy, page 47-1
• Licensing for Cisco Intercompany Media Engine, page 47-8
• Guidelines and Limitations, page 47-9
• Configuring Cisco Intercompany Media Engine Proxy, page 47-11
• Feature History for Cisco Intercompany Media Engine Proxy, page 47-38
Information About Cisco Intercompany Media Engine Proxy
This section includes the following topics:
• Features of Cisco Intercompany Media Engine Proxy, page 47-1
• How the UC-IME Works with the PSTN and the Internet, page 47-2
• Tickets and Passwords, page 47-3
• Call Fallback to the PSTN, page 47-5
• Architecture and Deployment Scenarios for Cisco Intercompany Media Engine, page 47-5
Features of Cisco Intercompany Media Engine Proxy
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.
Cisco Intercompany Media Engine has the following key features:
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