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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : E.415
Title : International network management guidance for common channel
signalling system No. 7
Study Group : II - Network Operation
Version : New
Date of adoption : 1991
Notes :
As the use of common channel Signalling System No. 7 increases, its
performance becomes increasingly important to the network and the
services it supports. Since problems in the signalling network can
affect the switched networks that it supports, and vice versa, network
managers must know the current status and performance of the common
channel signalling network, as well as the various user application
parts. Recommendation E.415 provides guidance on the requirements for
the surveillance of the status and performance of Signalling System
No. 7 signalling networks.
Signalling System No. 7 uses signalling links for transfer of
signalling messages between exchanges or other nodes in the
telecommunication network served by the system. The system is designed
to ensure reliable transfer of signalling information in the presence
of transmission disturbances or signalling network failures. The
system may be provided with redundancy of signalling links and includes
functions for automatic diversion of signalling traffic to alternative
paths in case of link failures. (The Q.700-Series of Recommendations
contains complete information on the design and operation of
Signalling System No. 7).
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).