This statement of compliance compares the OCNCC INAP implementation to: • ETSI defined INAP required for support of Capability Set 1 (CS1), as defined. Core-INAP-CS1-Codes &;ccitt(0) identified-organization(4) etsi(0) inDomain( 1) in-network(1) modules(0) cs1-codes(3) version1(0)} DEFINITIONS::= BEGIN. Jun 1, Intelligent Network Application Protocol (INAP); Part 1: Protocol This document describes the extensions to the ETSI Core INAP CS1 [1,2].
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The code modules are triggered by incoming messages, which match a given criteria for the script, from the SSP.
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The program code is then generated for the service, which can be executed at an SCP. Published By Cisco Press. When the service has been constructed using the SCE tools, code modules or program scripts that are eventually deployed to the SCP or Adjunct are generated. Each SIB identifies a common telephony function that is used across services. An example of some SIBs include: These building blocks are easily recognizable as part of standard telephony call and feature processing.
Whether the service is constructed using graphical tools or programming libraries, the end result must be able to run on the SCP platform.
As the network and services evolve, new means for interacting with the user will inevitably surface, thereby adding additional operations to the User Interaction SIB.
Several SCEs are available, each differing in features and capabilities; however, they all share a common purpose of generating program code that can be executed by the SCP.
The operation within the User Interaction SIB that implements the collection of digits does not determine how the digits will be used. Additional operations insp communication, such as SCF-SCF, exist; however, this section focuses only on those operations that are directly related to services at an SSP.
Audible messages can be used for a number of different purposes, including the following:. The Apply Charging operation indicates that charging should be applied for the call and might contain a PartyToCharge parameter to indicate whether charges should be applied to the calling or called party.
User input is usually provided in one of the following forms:. Example of User Interaction. Note that these tables do not include all INAP operations. Many SCEs provide a Graphical User Interface that allows software components to be joined together at a high level using visual tools to represent a service. Figure shows the message flow imap a basic toll-free service using INAP.
The SLP is the executable iinap that results from the service creation process.
INAP – Wikipedia
In the case of a toll-free or free xs1 call, charges are applied to the called party. The toll-free application at the SSP determines that communication with the SCP is necessary to retrieve information for the toll-free service. However, the fundamental building block of this SIB inwp still be needed.
SLPs provide the “glue” logic and overall program flow to join SIBs together into meaningful services. No part of this book maybe reproduced or transmitted in any form or by any means, electronic or mechanical, including photcopying or recording, or by any information storage and retrieval system, without written permission from the publisher, except for the inclusion of brief quotations in a review.
The example has been kept simple to provide an understanding of what a simple INAP exchange looks like for a service and ina; avoid the varying nuances of how the service might be deployed.
It knap also include connections to an IP, along with many other variations in the message flow and parameters. While they provide similar functionality to those used by North American AIN, they are distinct in their definition and encoding. Using our example in Figureonap CalledPartyNumber parameter is included to indicate the toll-free number. The two most common functions involving User Interaction are collecting information from the user and playing audible messages or tones.
SIBs are currently quite generic and lack ample detail, making them primarily useful only for high-level modeling of service functions. Before running it on an SCP platform, the SCE generally provides some level of simulation to determine how the service will function. Good simulators allow phone calls to be placed using resources such as recorded announcements and Voice Recognition Units, to provide a complete simulation of the service.
Application context for SRF to SCF INAP CS1
The InitialDP component can include several optional parameters. Further modifications and customizations are innap by setting the properties that are associated with the high level objects and often by making software modifications at the software coding level.
However, the operations have been tailored to the needs of the European region, thus adhering to the ETSI specifications. This allows SPs to build and deploy their own services. The Connect operation contains the DestinationRoutingAddress parameter to specify the routable destination number for connecting the iinap.
This example is a very simple version of a toll-free service. Figure shows an exchange between the SSP and SCP that requires the user to enter information based on voice prompts.
The result is a complete logic program that can be executed. The SCE allows subcomponents that make up an SIB to be joined together in a logical flow with decision branch points based on the results of the subcomponent operations.
Like the various versions of AIN, INAP defines its own set of remote operations and parameters that are used at the component sublayer. Book Hosted by www. Input is collected to make decisions about how a call should be directed and to determine the services the user needs.
Depending on regulatory policies and agreements, information such as the Carrier parameter can be returned in the Connect component to specify a particular IXC-providing service for the freephone number.
That would defeat the SIB’s “independence” aspect.