Part No: TLISDNUSAVIA
Used extensively in the USA, the ViA USA ISDN module is required if an NT-1 device is not installed. Confirm with your Telco if you are unsure.
Part No: TLISDNEUROVIA
Used in Europe, the UK, Japan and most of Asia, Australia, Africa and parts of the Middle East, where the Telco can supply the NT-1 and customers receive an S/T interface.
BRI 64/128 KB supports G.711, G.722, Tieline Music, MusicPLUS and MPEG 1 Layer 2 Mono, Stereo and Joint Stereo, aptX® Enhanced.