TracPhone User Manual page 61

Chapter 3: Operating the IP Handset
3. You must verify the string. Compare your
own string with the peer string.
Example: Say the first 2 symbols and the
peer (i.e. the person called) says the last 2
symbols.
If the comparison of the SAS is ok, press
Yes.
Note
4. The line is secure and the display shows
Secure and a Padlock. Voice streaming is
encrypted and decrypted.
Note
The IP Handset supports one secure
call at at time. If there is a secure
call established and put on hold,
you cannot establish another secure
call.
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If the 4-digit SAS is not identical,
press No when asked to confirm
SAS authentication. The secure
session is aborted and the call is
terminated.
IP Handset functions