Why 56k Modems Relied on Digital Phone Lines You Didn't Know We Had

Re:Why 56k Modems Relied on Digital Phone Lines You Didn't K... by Sesse__ on Friday March 07, 2025 @03:37AM (#43288327)

Modern cellphone networks support wideband codecs, e.g. AMR-WB.

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Re:Why 56k Modems Relied on Digital Phone Lines You Didn't K... by ale42 on Friday March 07, 2025 @07:50AM (#43289752)

Is that working across networks, though?

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Re:Why 56k Modems Relied on Digital Phone Lines You Didn't K... by acuozzo on Friday March 07, 2025 @11:53AM (#43291776)

I think it requires SDP negotiation between your UE, your EPC, their EPC, and their UE. Assuming all parties agree on the use of AMR-WB, then you're good-to-go.

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