21 Mar '15

Signaling Systems

Practically Signaling System divided three parts.
(i) In band signaling
(ii) Out of band signaling
(iii) Signaling in ISD (International Subscriber Dialing)

Details of all signaling system following:

In band signaling: This signaling system convent all the information in a single channel. There are too many problems in this signaling process. Like-
• Long call setup time (10 Second to 20 second)
• Limited data transfer capacity
• It can’t modify the call process

Out of band signaling:
In there use a data Channel for data transferring in this signaling.

Signaling in ISD:
In this signaling system, there are two kinds of component.
• 1st A connection with Internet user and network node.
• 2nd Transfer Signal for Network mode.

Different type of signaling Network Structure: It is divided in three ways. The system are-
• Associate Mode of signaling
• Non-associate mode of signaling
• Quasi Associate Mode of signaling

Network Service Part:
SS7 build by NSP and user. It is use on the GSM Network OAM and P. It is related with 7 step OSI-7 Reference model.
All part is-
• Physical
• Data Link
• Network
• Transport
• Session
• Presentation
• Application

Related Some Full Version of Short Keyword:
ASP- Application Service part
TCAP- Transaction Capabilities Apply
OMAP- Operation, Mint & Admin part
ASE- Apple Service Element
SCCP: Signaling Connection control Part
MTP: Message Transfer Part
NSP: Network Service Part

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