Basic Concept Signalling System No. 7 - Signalling Point

After discussing SS7 basic concept in signalling network, we continue about Signalling Point ( SP ) and further about Signalling Link, Signalling Linkset and Signalling Route in SS7 Network.
Just to the point, Signaling Point refers to the communication network node equipped with the SS7 system.
The SP is identified via the signaling point code (SPC). The SP generating signaling messages is called the originating signaling point (OPC), and the SP to which the signaling messages are sent is called the destination signaling point (DPC).
DSP  is any SP visible to the OPC in the entire signaling networks where the OPC is located. The DSP with direct signaling link is called adjacent DSP, while the DSP without direct signaling link is called non-adjacent DSP.

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