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2-7
Cisco Internet OSS for VoIP: Infrastructure Manager Implementation Guide
OL-2706-01
Chapter 2 Provisioning
Solution Architecture
IOSS Provisioning Component Architecture
Figure 2-6 depicts the proposed Provisioning Management Solution for OPT networks, as applied to an
H.323-based global long-distance network. The key component is the Cisco Packet Telephony Center
(Cisco PTC), which provides for overall configuration management of the OPT network and realizes the
virtual entities as discussed. A module within Cisco PTC, called Cisco VRC, provides for H.323
dial-plan management. Cisco PTC enables context sensitive launching of other management tools, that
is, where it makes sense from a navigation standpoint, for an integrated user experience. A pre-integrated
application is the Voice Services Provisioning Tool (VSPT), which can be used to bulk configure the
Cisco PSTN Gateway (PGW) 2200. VSPT is used for initial configuration of the PGW 2200 with SS7
components such as point codes, link sets, SS7 paths and routes, SS7 subsystems, and ethernet cards and
interfaces, which are prerequisites to Cisco PTC configuring RLMs and nailed trunks in the PGW 2200.
To communicate with underlying network devices, Cisco PTC makes use of underlying EMSs, such as
the Cisco MGC Node Manager (CMNM) for the Cisco PGW 2200. EMSs can also be launched as
auxiliary tools by the user to drill down into the device or obtain a graphical device view. In cases where
an EMS is not readily available, Cisco PTC can also interface to devices directly or, as in the case of
Cisco IOS devices, utilize the Cisco CNS Intelligence Engine (Cisco CNS IE2100). It should be noted
that the applicability of the Cisco PTC and its fundamental concepts goes beyond any particular solution
and is not limited to support only certain device types; it is expected that essentially any Open Packet
Telephony (OPT) Solution can be added.
The network elements that can be provisioned with the pictured applications include:
1. Virtual zones of IOS based H.323 voice gateways and gatekeepers including:
a. AS5000 series.
b. c2600, c3600, c7200 series.
2. Virtual gateway node elements including:
a. Signaling Link Terminals.
b. PGW 2200 Signaling Controller.
c. Catalyst switches.
d. AS5000 series voice gateways.