Version 7.2 33 Mediant 500L Gateway & E-SBC
User's Manual 1. Introduction
Configuration Terms Description
Proxy Sets The Proxy Set defines the actual address (IP address or FQDN) of SIP
entities that are servers (e.g., IP PBX). As the IP Group represents the
SIP entity, to associate an address with the SIP entity, the Proxy Set is
assigned to the IP Group.
SIP Interfaces The SIP Interface represents a Layer-3 network for the IP-based SIP
entity. It defines a local listening port for SIP signaling traffic on a local,
logical IP network interface. The term local implies that it's a logical port
and network interface on the device. The SIP Interface is used to receive
and send SIP messages with a specific SIP entity (IP Group). Therefore,
you can create a SIP Interface for each SIP entity in the VoIP network
with which your device needs to communicate.
The SIP Interface is associated with the SIP entity, by assigning the SIP
Interface to an SRD that is in turn, assigned to the IP Group of the SIP
entity.
Media Realms The Media Realm defines a local UDP port range for RTP (media) traffic
on any one of the device's logical IP network interfaces. The Media
Realm is used to receive and send media traffic with a specific SIP entity
(IP Group).
The Media Realm can be associated with the SIP entity, by assigning the
Media Realm to the IP Group of the SIP entity, or by assigning it to the
SIP Interface associated with the SIP entity.
SRDs The SRD is a logical representation of your entire VoIP network. The
SRD is in effect, the foundation of your configuration to which all other
previously mentioned configuration entities are associated.
Typically, only a single SRD is required and this is the recommended
configuration topology. As the device provides a default SRD, in a single
SRD topology, the device autom
atically assigns the SRD to newly created
configuration entities. Thus, in such scenarios, there is no need to get
involved with SRD configuration.
Multiple SRDs are required only for multi-tenant deployments.
IP Profiles The IP Profile is an optional configuration entity that defines a wide range
of call settings for a specific SIP entity (IP Group). The IP Profile includes
signaling and media related settings, for example, jitter buffer, voice
coders, fax signaling method, SIP header support (local termination if not
supported), and media security method. The IP Profile is in effect, the
interoperability "machine" of the device, enabling communication with SIP
endpoints supporting different call "languages".
The IP Profile is associated with the SIP entity, by assigning the IP Profile
to the IP Group of the SIP entity.
Tel Profiles The Tel Profile is an optional configuration entity that defines a wide
range of call settings for a specific PSTN-based endpoint. The IP Profile
includes settings such as message waiting indication (MWI), input gain,
voice volume and fax signaling method.
The Tel Profile is associated with the PSTN-based endpoint, by assigning
it to the Trunk Group belonging to the endpoint.
Tel-to-IP Routing Rules Tel-to-IP routing rules are used to route calls from PSTN-based endpoints
to an IP destination (SIP entity). The PSTN side can be denoted by a
specific Trunk Group, or calling or called telephone number prefix and
suffix. The SIP entity can be denoted by an IP Group or other IP
destinations such as IP address, FQDN, E.164 Telephone Number
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