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signalling gateway (NGN) (SGW)

The Signaling Gateway(SGW) is a network node in a multiservice network or a Next Generation Network( NGN) that transports the signaling information across the network boundaries and converts it to the various signaling standards.

Structure of Megaco/H.248 for IP telephony

Structure of Megaco/H.248 for IP telephony

Functionally, an SGW gateway corresponds to a switching network in classic long-distance telephone networks( PSTN). For example, signaling gateways are used between circuit-switched PSTNs and packet-switched IP networks to transfer signaling information from Signalling System no 7( SS7), Dual Tone Multi Frequency(DTMF), Q-Interface Signalling Protocol( QSIG) or ISDN User Part( ISUP).

Englisch: signalling gateway (NGN) - SGW
Updated at: 21.02.2011
#Words: 93
Links: network node (NN), next generation network (NGN), information, gateway (GW), switching network
Translations: DE

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