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Connecting Telephones and Adjunct Systems
INTUITY AUDIX LX Messaging System
Installation and Upgrades for G700 and S8300 335
December 2003
INTUITY AUDIX LX Messaging System
The process of integrating an INTUITY AUDIX LX system with an Avaya S8300 Media Server involves
a series of tasks to prepare the switch to work with the INTUITY AUDIX LX system.
The procedures for this process are fully documented in INTUITYTM AUDIX
®
LX Release 1.0
Documentation, 585-313-818. The information is contained in a document with the title INTUITY
TM
AUDIX
®
LX Release 1.0 LAN Integration with S8300 and DEFINITY
®
Systems.
ASAI Co-Resident DEFINITY LAN Gateway (DLG)
The DEFINITY LAN Gateway (DLG) is an application that enables communications between TCP/IP
clients and Communication Manager call processing. In more technical terms, the DLG application is
software that both routes Internet work messages from one protocol to another (ISDN to TCP/IP) and
bridges all ASAI message traffic (by way of a TCP/IP tunnel protocol).
The DLG listens for client connections (a specific IP Address) over a well-known TCP port (5678). The
client accesses the DLG's services by connecting to TCP port 5678 at the IP address of the DLG’s
Ethernet interface, which can be a MAPD (TN801B), a Processor (TN2314), or a C-LAN (TN799). The
client then exchanges TCP Tunnel Protocol messages with the DLG to request a connection to a specific
CTI link. The DLG authenticates the client based on its administration and then establishes or refuses the
connection. Once a connection is established, the ASAI layer 3 messages are transparently passed
through the DLG (that is, the DLG does not process any message content). Each TCP connection to the
DLG has a one-to-one correspondence with a CTI link.
The DLG application is packaged either externally on a separate circuit pack (the TN801 MAPD circuit
pack) or internally, where it co-resides with Communication Manager. The externally packaged DLG is
referred to as the MAPD DLG, and the internally packaged DLG is referred to as the Co-Resident DLG.
The Co-Resident DLG and the MAPD DLG accomplish the same basic function (ASAI to Ethernet
transport).
The Co-Resident DLG is application software that co-resides with Communication Manager on the
Media Server running Communication Manager. No physical installation or MAPD-specific
administration is required for the Co-Resident DLG. In terms of switch-based connectivity, the Co-
Resident DLG is supported by the following platforms:
• Communication Manager S8100 Media Server configurations (formerly DEFINITY ONE and
IP600)
• Avaya S8300 Media Server with Avaya G700 Media Gateway
Administration of the Co-Resident DLG is carried out on the switch using the change ip-services SAT
command. When the service type DLG is specified on the IP Services form, the DLG administration page
displays. The Co-Resident DLG does not rely on ports. Port allocation is not required for administering
the Co-Resident DLG.
For Avaya S8100 Media Server configurations, the Co-Resident DLG cab use the C-LAN (TN799), the
Processor Card (TN2314), or both as its Ethernet interface. For Avaya S8300 Media Server with Avaya
G700 Media Gateway, the Co-Resident DLG relies on the S8300 Media Server for Ethernet connectivity.