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After setting the signaling type for a particular E1, several other parameters may be also be needed to adjust for a proper communication with the network connected. To illustrate, the SS7 signaling would require the adjustment of point codes (origin and destination), link, CIC prefixes etc. It is expected that the Stillink user has the basic network-signaling knowledge and he is aware about the parameters already set in the network where the Stillink to be connected. The adjustable signaling parameters for an E1 depends on the signaling type selected. To access the adjustable signaling parameters, the user should go into the common properties pages of the relevant E1.


Be aware that for signaling types like DSS1, QSIG, the factory default settings in the Stillink might be sufficient and the proper communication might immediately start. However, for some other signaling types and special applications, some parameter adjustments may be necessary. It is strongly recommended to read the relevant sections in online help system.

In SS7 signaling, the point codes for the SS7 link should be entered as decimal numbers in the Stillink side.


Set all E1 interfaces with CAS, SS7, and ISDN (DSS1 or QSIG) sign Lines. To do this:

  • Go to Common properties pages of the relevant access code.
  • Mark the Tie Line checkbox.
  • Click on the OK button.


Marking interfaces Tie-Line results in: the calling party addresses in INCOMING SETUP messages to be sent as the calling party addresses in OUTGOING SETUP messages. For some applications and signaling types, the Stillink may use the system access codes as the calling party addresses in outgoing setup messages unless interfaces are marked as tie-line.


Thanks to the advanced signaling analyzer embedded into the Stillink systems, it is possible to monitor or analyze the signaling (protocol) on a selected E1 interface without requiring any additional and costly external analyzer. The signaling (protocol) analyzer is capable of analyzing various events and signaling layers. After programming the signaling parameters, and establishing a physical connection, the analyzer may be utilized to verify the communication.

Even if there are no active calls on an E1 (since the routing parameters have not been programmed yet), some messages will be exchanged in the idle state for most of the signaling types. Furthermore, activation of some layers , especially for a CCS type signaling, may be a healthy indicator for a proper communication. To illustrate, exchange of RR messages in ISDN signaling or exchange of FISU messages in SS7 signaling would indicate that the basic programming for the signaling ended with success.

To monitor a selected E1 interface, you may use the freeware Telesis XTools Utility.

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Page last modified on November 01, 2010, at 03:13 AM EST
Subject to change without any notice. All rights reserved 2010 - Telesis A.S.
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