AudioCodes Mediant 500 E-SBC User Manual page 386

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Source IP Group (to which the call belongs)
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Source and destination Request-URI host name prefix
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Source Trunk Group (from where the call is received)
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Source (calling) and destination (called) telephone number prefix and suffix
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Source and destination Request-URI host name prefix
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Destination: The destination can be any of the following:
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IP address in dotted-decimal notation.
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Fully Qualified Domain Name (FQDN).
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E.164 Telephone Number Mapping (ENUM service).
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Lightweight Directory Access Protocol (LDAP). For a description, see Routing
Based on LDAP Active Directory Queries on page 197.
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IP Group, where the call is routed to the IP address configured for the Proxy Set
or SRD associated with the IP Group (configured in ''Configuring IP Groups'' on
page 263). If the device is configured with multiple SRDs, you can also indicate
(in the table's 'Dest. SRD' field) the destination SRD for routing to one of the
following destination types - IP address, FQDN, ENUM, or LDAP. If the SRD is
not specified, then the default SRD (0) is used. In scenarios where routing is to
an IP Group, the destination SRD is obtained from the SRD associated with the
IP Group (in the IP Group table). The specified destination SRD determines the:
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Since each call must have a destination IP Group (even in cases where the
destination type is not to an IP Group), in cases when the IP Group is not specified,
the SRD's default IP Group is used, which is the first configured IP Group that belongs
to the SRD.
User's Manual
Destination SIP interface (SIP port and control IP interface) - important when
using multiple SIP control VLANs
Media Realm (port and IP interface for media / RTP voice)
Other SRD-related interfaces and features on which the call is routed
Figure 24-1: Locating SRD
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Mediant 500 E-SBC
Document #: LTRT-10437