[Asterisk-Users] T1 Sync clarification

Steve Underwood steveu at coppice.org
Tue Jan 13 18:14:25 MST 2004


TC wrote:

>>To complete this rather lengthy topic... what happens if you ignore all of
>>this and just slap a bunch of systems together with no regard to a master
>>sync source?  The quality and stability of your network will likely not be
>>as good as what it could be. If your clocks (in each device) happen to be
>>running very very close to what is expected, your network might run just
>>fine. But, if one of the clock's frequency drifts around, it could impact
>>quality via frame slippage and other unwanted events, and if off by a
>>large amount could even be the source of failures. (Your milage will vary
>>directly with the stability of your clocks.)
>>    
>>
>What are the practical effects with in-correct clock sync
>-like to you hear odd buzzing, or dropped voice or gaps of audio ??
>  
>
It usually sounds like a click each time a frame slip occurs.

Regards,
Steve





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