Adding a Network Appearance
The network appearance field identifies the SS7 network context for the message, for the purpose of logically separating the signaling traffic between the SGP (signaling gateway process) and the ASP (application server process) over a common SCTP (stream control transmission protocol) association. This field is contained in the DATA, DUNA, DAVA, DRST, DAUD, SCON, and DUPU messages.
The network appearance is provisioned in the database using the ent-na command with these parameters.
:na – the 32-bit value of the network appearance, from 0 to 4294967295.
:type – the network type of the network appearance, ansi (ANSI), itui (ITU-I), itun (14-bit ITU-N), itun24 (24-bit ITU-N), ituis (ITU-I Spare), ituns (14-bit ITU-N Spare).
:gc – the specific ITU-N group code associated with the network appearance.
The gc parameter can be specified only with the type=itun or type=ituns parameters.
The gc parameter must be specified with the type=itun or type=ituns parameters if the ITU Duplicate Point Code feature is on. If the ITU Duplicate Point Code feature is off, the gc parameter cannot be specified.
The gc parameter value must be shown in the rtrv-spc or rtrv-sid outputs.
The ituis or ituns parameters can be specified only if the ITU National and International Spare Point Code Support feature is enabled.
Figure 4-24 Adding a Network Appearance
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