NGOSS：New Generation Operational System and Software，新一代運(yùn)營(yíng)系統(tǒng)和軟件。

NSIS：Next Step In Signaling，下一代QoS信令

NSP：National Signalling Point，國(guó)內(nèi)信令點(diǎn)

NSPC：National Signalling Point Code，國(guó)內(nèi)信令點(diǎn)編碼。關(guān)聯(lián)詞：ISPC

NSTP：National Signalling Transfer Point，國(guó)內(nèi)信令轉(zhuǎn)接點(diǎn)