Author: Telecom and Networking

format of header of MTP2

MTP2 and MTP3: Message Transfer Part level 2 and level 3

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MTP2 and MTP3: Message Transfer Part level 2 and level 3 Protocol Description Message Transfer Part (MTP), a protocol in the SS7/C7 protocol suite, transfers signal messages and performs associated functions, such as error control and signaling link security. Message Transfer Part (MTP) also provides reliable routing within a network. MTP has two parts, MTP […]

MAP Mobile application Part

MAP: Mobile Application Part

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MAP: Mobile Application Part  Protocol Description The Mobile Application Part (MAP), one of the protocols in the SS7 suite, allows for the implementation of the mobile network (GSM) signaling infrastructure. The premise behind MAP is to connect the distributed switching elements, called mobile switching centers (MSCs) with a master database called the Home Location Register […]

ISUP message format

ISUP: ISDN User Part

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ISUP: ISDN User Part   Protocol Description The ISUP – ISDN User Part, a key protocol in the SS7 / C7 signaling system, defines the protocol and procedures used to set-up, manage, and release trunk circuits that carry voice and data calls over the public switched telephone network (PSTN) between different switches. ISUP is used for […]

Data User Part format of the header

DUP: Data User Part

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DUP: Data User Part Protocol Description Data User Part (DUP), an application protocol in the SS7/C7 protocol suite, defines the necessary call control and facility registration and cancellation related elements for circuit-switched data transmission services. The data signaling messages are divided into two categories: Call and circuit related messages: used to set up and clear […]

BISUP protocol structure

BISUP: Broadband ISDN User Part

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BISUP: Broadband ISDN User Part   Protocol Description Broadband ISDN User Part (BISUP) is a protocol intended to support services such as high-definition television (HDTV), multilingual TV, voice and image storage and retrieval, video conferencing, high-speed LANs and multimedia. Since BISDN is not deployed widely so far, so is not the BISUP.   Protocol Structure […]