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Chapter 2: Configuring the Avaya communication server
20 Avaya IP Agent Installation and User Guide for Citrix June 2007
The following two circuit packs are used for remote agent connections over TCP/IP with Avaya
IP Agent:
● Control LAN Circuit Pack (C-LAN) (TN799B or later)
● IP Media Processor
This section contains the following topics:
● C-LAN circuit pack on page 20
● IP Media Processor on page 20
● Documentation on page 21
C-LAN circuit pack
C-LAN is a packet port circuit pack for Avaya communication servers that provides TCP/IP
connectivity to adjuncts for applications. It has one 10BaseT or 100BaseT Ethernet connection
and up to 16 DS0 physical interfaces for PPP connections. Two integrated modems provide
remote PPP connectivity over analog facilities. Multiple C-LAN circuit packs can be added to a
system to increase TCP/IP capacity.
This circuit pack provides data signaling over TCP/IP for Avaya IP Agent. It is used for
configurations where a data connection is made to the Avaya communication server. The voice
path does not use this circuit pack.
Note:
Note: Avaya recommends that the TN799C V4 or later C-LAN circuit pack is used for its
increased ability to handle maximum capacities. Previous versions could
encounter difficulties when the maximum number of active endpoints is reached.
IP Media Processor
The IP Media Processor provides the transmission of voice data over an IP network. This
enables support of applications that comply with H.323-v2 protocols. It also reduces per-port
costs and improves quality through its dynamic jitter buffers. Additionally, it performs echo
cancellation, silence suppression, Dual Tone Multi-Frequency (DTMF) detection, and
conferencing.
This circuit pack provides Voice-over-Internet Protocol (VoIP) that is used where a VoIP
connection is made to the Avaya communication server.