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CDRs are sent in GTP' messages, or saved in files and fetched with FTP protocol. Information on chargeable events includes time of call set-up, duration of the call, amount of data transferred, etc. A separate CDR is generated for each party to be charged. Entries on CDRs use a {category, usage} syntax.
The TPS uses standard network protocols, including FTP, SFTP and FTPS to transfer the CDR batch file to the TPS. Some platform vendors have developed their own file transfer protocols, in which case, the TPS need to be customized in order to retrieve the batch files from these platforms.
A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...
GPRS Tunnelling Protocol (GTP) is a group of IP-based communications protocols used to carry general packet radio service (GPRS) within GSM, UMTS, LTE and 5G NR radio networks. In 3GPP architectures, GTP and Proxy Mobile IPv6 based interfaces are specified on various interface points. GTP can be decomposed into separate protocols, GTP-C, GTP-U ...
DVI – DVI are Device independent format.egt – Universal Document can be used to store CSS type styles; PLD – PLD are PhotoLine Document files; PCL – PCL Manages printer language; PDF – PDF are Portable Document Format.ps, .ps, .gz – PostScript [clarification needed] SNP – SNP are Microsoft Access Report Snapshot; XPS – XPS
For GTP' v2, this has a value of 2 (hence the name GTP' v2). Protocol Type (PT) a 1-bit value that differentiates GTP' (value 0) from GTP (value 1). Reserved a 3-bit reserved field (must be 1's). Header Length (Hdr len) a 1-bit value that for GTP' version 0 indicates if using a 20 byte header (value 0) (as per GTP) or this 6 byte header. This ...
The type of number (TON) or Nature of Address Indicator (NAI) parameter, which is of relevance to E.164 (regular telephone) numbers for example, indicates the scope of the address value, such as whether it is an international number (i.e. including the country code), a "national" or domestic number (i.e. without country code), and other formats such as "local" format (e.g. in the U.S., without ...
Besides differences in the schema, there are several other differences between the earlier Office XML schema formats and Office Open XML. Whereas the data in Office Open XML documents is stored in multiple parts and compressed in a ZIP file conforming to the Open Packaging Conventions, Microsoft Office XML formats are stored as plain single monolithic XML files (making them quite large ...