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Secure voice software issues

To: [email protected]
Subject: Secure voice software issues
From: [email protected] (Phil Karn)
Date: Thu, 12 Aug 93 16:09:11 -0700
Cc: [email protected], [email protected]
In-Reply-To: Peter Shipley's message of Thu, 12 Aug 1993 14:54:30 -0700 <[email protected]>

>do not use error correction or compression.  (they will slow you down)
>and tcp does it's own error correction.  as for 160ms round trip times
>that is acceptable for slip.

Well, in theory turning off V.42bis entirely should get rid of these
delays, but in my exerience with Motorola Codex 3260 modems, it doesn't.
Don't know why.

Also, if you turn off LAPM you are back to sending start/stop bits again.

Phil

References:
- Re: Secure voice software issues
  - From: Peter Shipley <[email protected]>

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