The Inbound Dial-Peer to Match the URI on SIP Calls feature expands the inbound dial-peer matching logic to include matching based on the source IP address of inbound signaling on a SIP trunk. This feature enables enforcement of specific call-treatment, security and routing policies on each SIP trunk.
Cisco Unified Border Element
•Cisco IOS Release 15.0(1)M or a later release must be installed and running on your Cisco Unified Border Element.
Cisco Unified Border Element (Enterprise)
•Cisco IOS XE Release 3.1S or a later release must be installed and running on your Cisco ASR 1000 Series Router.
Configuring an Inbound Dial-Peer to Match the URI on SIP Call