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ISDN ANALYZER D1080 - messkom.de

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<strong>ISDN</strong> <strong>ANALYZER</strong> <strong>D1080</strong> USER’S MANUAL REV. 5<br />

92<br />

is used to capture messages having the same<br />

value (=) or a different value („) with respect to<br />

the selected one.<br />

SAPI, to select the messages according to the<br />

SAPI. The following values are available:<br />

− 0, control frame for standard calls<br />

− 1, reserved for Q.931 packet communications<br />

− 16, frames for X.25 calls<br />

− 63, frames for level 2 (TEI) management<br />

is used to capture messages having the same<br />

value (=) or a different value („) from the selected<br />

one.<br />

MSG TE, to select the level 3 messages sent<br />

towards the terminal to be saved. and are<br />

used to scroll the standard information elements<br />

in alphabetical or<strong>de</strong>r. The field is active only if<br />

the SAPI filter allows for capturing frames with<br />

SAPI 0.<br />

MSG NT, to select the level 3 messages sent<br />

towards the network to be saved. and are<br />

used to scroll the standard information element in<br />

alphabetical or<strong>de</strong>r. The field is active only if the<br />

SAPI filter allows for capturing frames with SAPI 0.<br />

To cancel the filter, set the ALL value in the various<br />

fields.<br />

CHAPTER 11. ANALYZING THE SIGNALING PROTOCOL

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