SIP User's Manual 486 Document #: LTRT-12804
Mediant 800 MSBG
• Destination IP Group (address defined by Proxy Set associated with the IP
Group) with the ability of load balancing and redundancy
• ENUM query
Alternative Routing
Routing between two different Layer-3 networks
Transport protocol translator (UDP to TCP to TLS)
Source and destination user name manipulation (pre/post routing)
The device's IP-to-IP routing rules are configured in the IP-to-IP Routing table. This table
provides enhanced IP-to-IP call routing capabilities for routing received SIP messages
such as INVITE messages to a destination IP address. The routing rule must match one of
the following input characteristics: Source IP Group, Source Phone Prefix, and/or Source
Host Prefix.
For all destination types listed above except destination IP Group, the IP Group can
optionally be itself, configured to provide destination SRD and/or IP Profile. If neither
destination SRD nor destination IP Group are defined, the destination SRD is the source
SRD and the destination IP Group is its default IP Group.
Figure 8-49: IP-to-IP Routing Types
8.4.3.4 IP-to-IP Inbound and Outbound Manipulation
The device supports SIP URI user part (source and destination) manipulations for inbound
and outbound routing. These manipulations can be applied to a source IP group, source
and destination host and user prefixes, and/or user-defined SIP request (e.g., INVITE,
OPTIONS, SUBSCRIBE, and/or REGISTER). Since outbound manipulations are
performed after routing, the outbound manipulation rule matching can also be done by
destination IP Group.
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