1、ITU-T RECNN*I.256* 2C 93 4862593 0583834 OT5 m INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU 1.256.2 (03/93) INTEGRATED SERVICES DIGITAL NETWORK (ISDN) SERVICE CAPABILITIES SUPPLEMENTARY SERVICES IN ISDN ADVICE OF CHARGE: CHARGING INFORMATION AT THEEND O
2、F THE CALL (AOC-E) ITU-T Recommendation 1.256.2 (Previously “CCIlT Recommendation”) ITU-T RECMN*I.256. 2C 93 O 4862591 0583835 T3L = FOREWORD The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecom- munication Union. The ITU-T is responsible for stu
3、dying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, established the topics for study by the ITU-T Study G
4、roups which, in their turn, produce Recommendations on these topics. ITU-T Recommendation 1.256.2 was prepared by the ITU-T Study Group I (1988-1993) and was approved by the WTSC (Helsinki, March 1-12, 1993). NOTES 1 As a consequence of a reform process within the International Telecommunication Uni
5、on (ITU), the CCITT ceased to exist as of 28 February 1993. In its place, the ITU Telecommunication Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly, in this reform process, the CCIR and the IFRB have been replaced by the Radiocommunication Sector. In order not to delay publi
6、cation of this Recommendation, no change has been made in the text to references containing the acronyms “CCITT, CCIR or IFRB” or their associated entities such as Plenary Assembly, Secretariat, etc. Future editions of this Recommendation will contain the proper terminology related to the new ITU st
7、ructure. 2 telecommunication administration and a recognized operating agency. In this Recommendation, the expression “Administration” is used for conciseness to indicate both a O ITU 1994 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, ele
8、ctronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. CONTENTS Definition . Description . 2.1 Structure and contents of charging information . 2.2 Application of charging information 2.4 Qualifications on applicability to telecommunication services
9、Procedures 3.1 Provision/withdraw al 3.2 Normal procedures 3.3 Exceptional procedures . 3.4 Alternative procedures Network capabilities for charging 2.3 Specific terminology . Interworking requirements . Interactions with other supplementary services . 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6
10、.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 Call waiting . Cali transfer Connected line identification restriction . Calling line identification presentation . Calling line identification restriction Closed user group . Conference calling Cali diversion Line hunting Three-party . Multiple
11、subscriber number Call hold . Multi-level precedence and preemption Malicious call identification . Reverse charging Connected line identification presentation Direct dialling-In User-to-user signalling Advice of charge . Pnonty Outgoing call barring Sub-addressing Dynamic description Page 1 1 1 2 2
12、 2 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 Recommendation 1.256.2 (03/93) 1 ITU-T RECMN*I.256- 2C 93 H 4862593 0583837 804 Recommendation 1.256.2 ADVICE OF CHARGE: CHARGING INFORMATION AT THE END OF THE CALL (AOC-E) (Helsinki, 1993) 1 Definition For the purposes of this Recomme
13、ndation, the following definition applies. The Advice of charge: Charging information at the end of the call (AOC-E) supplementary service enables a user to receive information on the recorded charges for a call when the call is terminated. 2 Description The AOC-E supplementary service shall apply t
14、o the basic access and the primary rate access. The AOC-E supplementary service provides the served user with charging information for a call when the call is terminated. The information can be sent for all calls, or on a per call basis. The charge information given shall relate to the charges incur
15、red on the network to which the served user is attached. 2.1 Structure and contents of charging information 1) Type of charging information - Total charges This type of charging information is sent to the served user when the call is terminated, and indicates the total charges recorded for the call.
16、 NOTE 1 - Some networks will include in this information, charges which have been incurred by the use of some supplementary services. 2) Recorded charges Only one of the following types of recorded charges shall be included. charging unit may be given. - NOTE 2 - If different types of charging units
17、 apply, the recorded number of charging units for each type of Recorded number of charging units This information indicates the number of charging units incurred for the call. Sub-unit shall be: number of charging units (integer value); Recorded number of currency units This information indicates th
18、e number of currency units incurred for the call. Sub-units shall be: optional: type of charging unit (see Note 3). - currency identifier; currency amount integer value and a multiplier (see Note 4). - Free of charge This information indicates that there is no charge to the served user for this call
19、. Recommendation 1.256.2 (03/93) 1 ITU-T RECNN*I.256. 2C 93 W 4862593 0583838 740 W - Not available This information indicates that recorded charges are not available. The network is not required to give a reason. NOTE 3 - Type of charging unit shall be indicated as an integer value from 1 to 16. Ea
20、ch service provider shall specify their use and significance of these values. NOTE 4 -The multiplier shall have one of the following values: 0.001, 0.01, 0.1, 1, 10, 100 or 1000. 3) Billing identification Only one of the following types of billing identification shall be included: - Normal charging
21、This billing identification indicates that charges are incurred due to normal charging. - Reverse charging This billing identification indicates that charges are incurred due to reverse charging. - Credit card charging This billing identification indicates that charges apply to a credit card. - Call
22、 forwarding unconditional This billing identification indicates that charges are incurred due to call forwarding unconditional. - Call forwarding busy This billing identification indicates that charges are incurred due to call forwarding busy. - Call forwarding no reply This billing identification i
23、ndicates that charges are incurred due to call forwarding no reply. - Call deflection This billing identification indicates that charges are incurred due to call deflection. - Call transfer This billing identification indicates that charges are incurred due to call transfer. 2.2 Application of charg
24、ing information “Total charges” can be given in charging units or in currency units, or the value “free of charge” or “not available” can be given to the served user. The information should include the total cost for the call. The information can be accompanied by a billing identification. If the “b
25、illing identification” is not included, the default value shall be interpreted as “normal charging”. 2.3 Specific terminology For the purposes of this Recommendation, the following definition applies. Served user: The user of a particular ISDN number who is requesting that charging information shall
26、 be provided. AOC-E: Advice of Charge: charging information at the end of the call. 2.4 Qualifications on applicability to telecommunication services This supplementary service is applicable to all circuit switched telecommunication services. 2 Recommendation 1.256.2 (03/93) ITU-T RECMN*I.256. 2C 93
27、 9 48b259L 0583839 b87 = Subscription option 3 Procedures Value 3.1 Provision/withdrawal The AOC-E supplementary service shall either be provided on a subscription basis or be generally available. The AOC-E supplementary service can be offered with one subscription option. Only one value can be sele
28、cted. (tivation I For all calls automatically I I On a per call basis I Withdrawal shall be at subscriber request or for administrative reasons. 3.2 Normal procedures 3.2.1 Activatioddeactivatiodregistration Activation of the AOC-E supplementary service shall either occur for all calls at provision,
29、 or it shall be possible to activate the supplementary service on a per call basis. The activation on a per call basis shall occur at call request. 3.2.2 Invocation and operation The charging information shall be provided by the network when the call is terminated. 3.3 Exceptional procedures 3.3.1 A
30、ctivatioddeactivatiodregistration Not applicable. 3.3.2 Invocation and operation If the charging information related to a call is not available this should be indicated to the served user. 3.4 Alternative procedures None identified. 4 Network capabilities for charging This Recommendation does not co
31、ver charging principles. Future Recommendations in the D-Series are expected to contain that information. It shall be possible to charge the subscriber accurately for the service. 5 Interworking requirements The AOC-E supplementary service shall be supported across the internetwork interface between
32、 ISDNs (i.e. public or private). Recommendation 1.256.2 (03193) 3 6 Interactions with other supplementary services 6.1 Call waiting No impact, i.e. neither supplementary service affects the operation of the other supplementary service. 6.2 Call transfer If a call is transferred and the transferring
33、user is charged for either or both calls, then as a network option, that user shall be informed of the charge at the end of the resulting transferred call. 6.3 Connected line identification presentation No impact, i.e. neither supplementary service affects the operation of the other supplementary se
34、rvice. 6.4 Connected line identification restriction No impact, i.e. neither supplementary service affects the operation of the other supplementary service. 6.5 Calling line identification presentation No impact, i.e. neither supplementary service affects the operation of the other supplementary ser
35、vice. 6.6 Calling line identification restriction No impact, i.e. neither supplementary service affects the operation of the other supplementary service. 6.7 Closed user group No impact, i.e. neither supplementary service affects the operation of the other supplementary service. 6.8 Conference calli
36、ng a) Conference controller 1) Invocation of the conference, add-on supplementary service from the idle state - If the conference controller can activate the AOC-E supplementary service at the same time the conference, add-on supplementary service is invoked. 2) Invocation of the conference, add-on
37、supplementary service from an active call - If the AOC-E supplementary service has been activated for the initial call, then it shall automatically be activated also for the conference. If the AOC-E supplementary service has not been activated for the initial call, then the conference controller can
38、 activate the AOC-E supplementary service at the same time the conference, add-on supplementary service is invoked. - 3) Addition of a call to a conference For calls between the conference controller and potential conferees which are outside the conference call, the normal procedures for the AOC-E s
39、upplementary service shall apply. When a call for which AOC-E supplementary service has been activated, is added to the conference, then charging information shall be given as if the call was terminated at the moment it is added to the conference. NOTE 1 - Further charging resulting from communicati
40、on with the new conferee shall be considered to be part of the charging for the conference. 4 Recommendation 1.256.2 (03193) ITU-T RECMN*I.256. 2C 93 W 4862591 0583841 235 4) Creating a private communication with one of the parties In this case the private communication shall be considered as a new
41、call between the conference controller and the individual party. If the AOC-E supplementary service is active for the conference, it shall in addition be automatically activated for the new call when the private communication is established. 5) Terminating the conference When the conference is termi
42、nated and AOC-E supplementary service had been activated for the conference, then the overall charges for the conference shall be sent to the conference controller. If the conference, add-on supplementary service was invoked from an active call and AOC-E supplementary service was activated for that
43、call, then the charging information shall include charges for the initial call. 6) Other operation on the conference No impact, i.e. neither supplementary service shall affect the operation of the other supplementary service. NOTE 2 - Some networks may not support the AOC-E supplementary service in
44、conjunction with the conference, add-on supplementary service, or may only give partial information, e.g. due to off-line processing of the charges associated to the conference, add-on supplementary service. In this case an indication that the AOC-E supplementary service is not available shall be gi
45、ven on invocation of the conference, add-on supplementary service if the AOC-E supplementary service is activated. b) Conferees No impact, i.e. neither supplementary service shall affect the operation of the other supplementary service. 6.9 Direct dialling-In No impact, i.e. neither supplementary se
46、rvice affects the operation of the other supplementary service. 6.10 Call diversion 6.10.1 Cali forwarding busy - Original calling user: No impact, i.e. neither supplementary service affects the operation of the other supplementary service. Forwarding user: When a call is forwarded and the forwardin
47、g user is charged for the forwarded part of the call, the charging information can, as a network option, be transferred to the forwarding user when the call is terminated. - 6.10.2 Call forwarding no reply - Original calling user: No impact, i.e. neither supplementary service affects the operation o
48、f the other supplementary service. Forwarding user: When a call is forwarded and the forwarding user is charged for the forwarded part of the call, the charging information can, as a network option, be transferred to the forwarding user when the call is terminated. - 6.10.3 Cali forwarding unconditi
49、onal - Original calling user: No impact, i.e. neither supplementary service affects the operation of the other supplementary service. Forwarding user: When a call is forwarded and the forwarding user is charged for the forwarded part of the call, the charging information can, as a network option, be transferred to the forwarding user when the call is terminated. - Recommendation 1.256.2 (03/93) 5 6.10.4 Call deflection - Original calling user: No impact, i.e. neither supplementary service shall affect the operation of the other supplementary service. Deflecting user: When a call is
