Richard Town wrote in a message to David Bowerman:
 RT> V.FC is symmetric.  First to 28k8 too.  And found in the more expensive
 RT> brand name modems.  First V34 from all brand names was symmetric
 RC> Symmetric - common Rx/Tx speed.  Asymmetric - differeing Rx/Tx
 RC> speed.  USR modems had asymmetric V.34 from day 1.  USR is a "brand
 RC> name". 
 DB> Heck, USR supported asymmetric v.32 connects.
 RT> V32 (CCITT 9k6 or 4k8) is symmetric
 RT> No wonder there's all these interop problems with USRs --
 RT> they make things up just to be different!
Perhaps you should read the v.32bis recommendation again.
Regards,
       David
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