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Mobile network Enhanced Logic (CAMEL) Phase X;. CAMEL Application Part ( CAP) specification. (3GPP TS version Release 12). CAMEL Application Part (CAP) specification. (3GPP The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under. Technical Specification Group Core Network and Terminals;. Customised Applications for Mobile network Enhanced Logic. (CAMEL) Phase 4.

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What this means is that the end user should be able to roam between different networks maybe in different countries and 3gop reachable at the same number and should receive only one bill from the original service provider Home Operator.

The limitations of INAP was that it did not support mobility management. CAMEL solved the mobility management problem and provided with much more functionality. The last section in this primer lists specificxtion functionality of each phases. The latest Phase is Phase 4. CAMEL feature is a network feature and sepcification a supplementary service. CAMEL procedures are applicable to all circuit switched basic services without distinction except Emergency calls.

Take a simple scenario of a voice call being made. This unit effectively hosts a database which holds the instructions needed for an intelligent application. The call is then connected in the most appropriate manner, a process which is transparent to the customer.


CAMEL Application Part – Wikipedia

For example, when an account balance reaches zero for a pre-paid customer under phase 1, the customer specifiication simply be cut off. With phase 2 thanks to support for SRF, the customer will hear automatically generated messages from the Voice Response Unit warning that the balance is dangerously low before a call and even during the call. Naturally this leads to greater customer satisfaction. Technical Terms For any further discussions we would need to use some technical terms.

They are discussed in this section.

SCF contains the actual independent service logic to apply to the call. BSCM represents an abstract view of call processing, seen from the perspective of service feature control performed by the SCF. Points in Call PIC: PIC are defined by standards to represent those points in which action might be taken.

They provide a view of a state or event in which call processing logic may initiate an action, such as suspension of call processing while a database is queried.

DP represent transitional events that occur between some PICs. A trigger is the term used to define specific call-processing logic associated with a given point in call. Triggers are nothing more than software logic that is loaded in a network element to carry out instructions to initiate an intelligent network process based on analysis of conditions at a detection point. Unlike a trigger, which depends on some form of input criteria, an event is simply a call occurrence such as no answer, busy signal or call termination.


Arming of detection points: Detection points have two classifications: A detection point is armed if control logic is established to initiate service control based on a trigger or event. Examples of Signalling procedures [13] gives example of Signalling procedures using CAMEL for originating and terminating calls and has been described below. No IN announcements supported No charging operations Limited set of detection points, e.

The exact location may not be up-to-date unless the mobile has an active call ongoing. Cleaner termination of relationship. Hunting type of services. Enhances pre-paid CSE based carrier selection Selecting correct long distance network for user interaction.

To trigger on demand only, e. For CS calls only.

Makes the CSE service logic easier. Charging control of optimally routed calls.

CAMEL Application Part

Multiple subscriber profile phase 2. Control CPH configuration during call. Enhancements of pre-paid warning tones Various informative tones. Provision of location information of called subscriber Alerting phase. The location of B-subscriber at the beginning of the call provided to service logic.

Number portability query for prepay calls.