ISDN Module (USA)

Part Numbers

Used extensively in the USA, the G5 US ISDN module is required if an NT-1 device is not installed. Confirm with your Telco if you are unsure.

BRI 64/128 KB supports G.711, G.722, Tieline Music, MusicPLUS and MPEG 1 Layer 2 Mono, Stereo and Joint Stereo, aptX® Enhanced.

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