Last modified by Bjørnar Ruud on 2021/03/18 10:47
From version 16.1
edited by Kristian Lingsom
on 2017/10/16 12:38
To version 17.1
edited by Kristian Lingsom
on 2017/10/16 12:38
Change comment: There is no comment for this version

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4 4  
5 5  (% style="tab-stops:23.3pt" %)**OVERVIEW**
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8 8  The purpose of the H2H PayEx link is to enable authorization and settlement of card transactions, where PayEx is end host for that card, or just an PSP. The third party host acts as a gateway in between payment terminals and PayEx.
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16 16  * (% lang="EN-US" style="font-size:12pt; line-height:14.65pt; tab-stops:42.9pt 42.95pt" %)The third party host(s) connect to PayEx loadbalanser
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20 20  (% style="font-size:16px" %)Supported massage types
21 21  
22 22  |Type|Source|Reference
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33 33  |1820|3rd party|[[(% style="tab-stops:35.55pt" %)**N**(% lang="EN-US" style="font-size:9pt; tab-stops:35.55pt" %)**ETWORK **(% style="tab-stops:35.55pt" %)**M**(% lang="EN-US" style="font-size:9pt; tab-stops:35.55pt" %)**ANAGEMENT**>>doc:.Network Management.WebHome]]
34 34  |1830|PayEx|[[(% style="tab-stops:35.55pt" %)**N**(% lang="EN-US" style="font-size:9pt; tab-stops:35.55pt" %)**ETWORK **(% style="tab-stops:35.55pt" %)**M**(% lang="EN-US" style="font-size:9pt; tab-stops:35.55pt" %)**ANAGEMENT**>>doc:.Network Management.WebHome]]
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38 38  Message types not mentioned in the above table are not supported. E.g. reconciliation is not supported.
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41 41  * (% style="tab-stops:21.15pt" %)Only the Financial transaction advice (1220), Reversal Advice (1420) use repeat messages. Repeats are to be sendt according to xxxxxxx rules
42 42  * (% style="tab-stops:21.15pt" %)Advices won’t be declined by PayEx unless for a technical reason.(%%)In this case the third party host need to retry the advice until manual intervention or the advice has been accepted. It’s expected that the third party implement a retry delay (to-be-defined). After 6 retry attemps have failed manual intervention by thirsd party and PayEx support must be initiated.
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45 45  (% style="tab-stops:29.4pt" %)**MESSAGE LAYOUT**
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48 48  This section covers message types and fields supported by PayEx
49 49  
50 50  |=Presence|=Title|=Description
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54 54  |ME|Mandatory echo|The response message must have the same data element and value as sent in the original message request or advice message
55 55  |O|Optional|The data element may or may not be present in the message
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58 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**Optional fields may always be present in requests, even when not needed. In such case, they will be ignored. Requests received missing a mandatory field will be 904 - Format Error.**
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60 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**The third party host must ignore unknown fields included in the response messages.**
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62 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**When no usage notes are given in the field description, the field should be used as described in IFSF [1].**
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64 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**The “Format”-column can contain following info:**
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66 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**LL: Variable length field, max 99 bytes as data. The field contains 2 bytes holding the length of the data. Example: 303101 a one byte field with LL = 3031 and the data is 01.
67 -Date/time field formats, YYMMDDhhmmss (or variations), where:
68 -YY : Last 2 digits of the year, 00 through 99
69 -MM: Month, 01 through 12.
70 -DD: Day, 01 through 31
71 -hh: Hour, 00 through 23
72 -mm: Minutes, 00 through 59
73 -ss: Seconds, 00 through 59
74 -LLL: Variable length field, max 999 bytes as data. The field contains 3 bytes holding the length of the data. Example: 30303101 a one byte field with LLL = 303031 and the data is 01.
75 -The “Type”-column can contain:**
76 -
77 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**a : Alphabetic character [a..z,A..Z]
78 -n : Numeric BCD-digit. [0..9]
79 -ans: alphabetic, numeric and special characters
80 -an : alphabetic and numeric.
81 -s : Special characters.
82 -b : Binary
83 -p: pad character, space
84 -x: “C” for credit, “D” for debit and shall always be associated with a numerical amount data element.
85 -The “Size”-column can contain:**
86 -
87 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**Variable length fields have a size that looks like “..nn”, where nn is the maximum number of characters or bytes.
88 -A fixed length field has “n” as size content, with n the number of characters or bytes.
89 -All fixed length “n” data elements are assumed to be right justified with leading zeroes. All other fixed length data elements are left justified with trailing spaces. In all “b” data elements, blocks of 8 bits are assumed to be left justified with trailing zeroes.**
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91 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**For technical reasons an advice can be declined if PayEx is unable to store the transaction. In this case the third party host need to retry the advice until manual intervention or the advice has been accepted. It’s expected that the third party implement a retry delay (to-be-defined). After 6 retry attemps have failed manual intervention by thirsd party and PayEx support must be initiated.**
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93 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**Message authentication is performed on network management requests to validate the MAC key issued by PayEx, and by the third patry to validate that the PayEx system is running as expected. Implementation of this message type is not mandatory.**
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96 -(% lang="EN-US" style="color:white; font-size:10pt; height:56pt; line-height:11.2pt" %)**ata element name**
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