User's Manual

Publisher
The publisher instance of eTM_HA features a TCP Server listing on a port specified in the
registry. Typically, port 7000 is used as the default port. The TCP Server is a multiple-accept
model, so multiple clients can connect at the same time. The number of simultaneous
connections is also defined in the registry. Specify a number at least as great as the number
of subscribers. Avaya recommends specifying a value that equals the number of subscribers
multiplied by three, to provide room for recovery in case of bad connection attempts.
The netstat command can be used on the Publisher to verify that the TCP Server is listening
(sample data is shown in Figure 87: Sample netstat command and returned data on
page 84).
Figure 87: Sample netstat command and returned data
Important:
The TCP Server is used for internal processing only. Do not attempt to access the server
unless instructed to do so.
The TCP Server is to be accessed from the Subscribers only. You can test this connection
(from the subscriber PCs only) with Internet Explorer. An HTTP request to port 7000 must reply
with the error code shown in Figure 88: TCP Server Error response on page 85.
Module - eTM_HA
84 DECT Messenger Installation and Commissioning — Book 2 March 2012
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