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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.
A multi-gigabit transceiver (MGT) is a SerDes capable of operating at serial bit rates above 1 Gigabit/second. MGTs are used increasingly for data communications because they can run over longer distances, use fewer wires, and thus have lower costs than parallel interfaces with equivalent data throughput.
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 ...
GPRS Tunnelling Protocol is the defining IP-based protocol of the GPRS core network. Primarily it is the protocol which allows end users of a GSM or WCDMA network to move from place to place while continuing to connect to the Internet as if from one location at the Gateway GPRS support node (GGSN).
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 ...
GTP control messages (GTP-C) 2137: Unofficial 2142: Yes: TDMoIP (TDM over IP) 2152: Yes: GTP user data messages (GTP-U) 2159: Yes: GDB remote debug port: 2181 Yes: EForward-document transport system Unofficial: Apache ZooKeeper default client port [citation needed] 2195: Unofficial: Apple Push Notification Service, binary, gateway. [11] [166 ...
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 ...
Absolute Time in Pregroove (ATIP) is a method of storing information on an optical medium, used on CD-R and CD-RW. ATIP information is only readable on CD-R and CD-RW drives, as read-only drives do not need the information stored on it. The information indicates if the disk is writable and information needed to correctly write to the disk.