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CAMEL is used when the subscriber is roaming between networks, allowing the home network to monitor and control calls made by the subscriber. CAMEL provides services such as prepaid roaming services, fraud control, special numbers (e.g., 123 for voicemail that works everywhere) and closed user groups
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As with CAMEL, CAP has been defined in four phases, each of which has an accompanying specification that builds upon the previous phase. Each CAP phase provides the message set and procedures needed to support the corresponding CAMEL phase requirements, as defined in
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is a means of adding intelligent applications to mobile (rather than fixed) networks. It builds upon established practices in the fixed line telephony business that are generally classed under the heading of (Intelligent
Network Application Part) or
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The CAMEL Application Part (CAP) portable, software provides mechanisms to support operator services beyond the standard GSM services for subscribers roaming within or outside the Home
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the definition of the Single
Association Control Function (SACF)/Multiple Association Control Function (MACF) rules for the protocol, defined within the prose of the specification;
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Core and allows for the implementation of carrier-grade, value added services such as unified messaging, prepaid, fraud control and
Freephone in both the
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193:(HPLMN). The CAP product extends the IN framework to GSM/3G networks for implementing IN-based services within GSM/3G networks.
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the definition of the actions taken at each entity, defined by the state transition diagrams.
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The definition of the protocol may be considered to be split into three sections:
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the definition of the operations transferred between entities, defined using
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Signalling protocol used in the
Intelligent Network architecture
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152:(ROSE) user protocol, and as such is layered on top of the
197:(e.g., office extension numbers that work everywhere).
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160:protocol suite. CAP is based on a subset of the
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8:
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154:Transaction Capabilities Application Part
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144:) is a signalling protocol used in the
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7:
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150:Remote Operations Service Element
246:- The 3GPP specification for CAP
1:
221:Abstract Syntax Notation One
148:(IN) architecture. CAP is a
268:Application layer protocols
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27:SS7 protocols by OSI layer
209:(technical realization).
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26:
205:(service aspects) and
185:Protocol specification
138:CAMEL Application Part
146:Intelligent Network
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263:Signaling System 7
21:SS7 protocol suite
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181:CS-2 protocol.
172:data networks.
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244:3GPP TS 29.078
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207:3GPP TS 23.078
203:3GPP TS 22.078
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156:(TCAP) of the
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83:Data link
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100:MTP Level 1
88:MTP Level 2
72:MTP Level 3
33:Application
257:Categories
231:References
168:voice and
223:(ASN.1);
95:Physical
67:Network
174:CAMEL
61:, ...
46:IS-41
191:PLMN
179:INAP
170:GPRS
162:ETSI
158:SS#7
136:The
76:SCCP
59:ISUP
51:TCAP
38:INAP
166:GSM
142:CAP
55:CAP
48:...
42:MAP
259::
74:+
57:,
53:,
44:,
40:,
140:(
125:e
118:t
111:v
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