SSCS的目的在于传递由语音、语音带宽数据或电路模式数据构成的窄带呼叫。
The purpose of the SSCS is to convey narrow-band calls consisting of voice, voiceband data, or circuit mode data.
SSCS的目的在于传递由语音、语音带宽数据或电路模式数据构成的窄带呼叫。
The purpose of the SSCS is to convey narrow-band calls consisting of voice, voiceband data, or circuit mode data.
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