[Asterisk-Users] Pops in Call Recordings Tied to Dropped Audio in Calls

[Kevin P. Fleming]

Matt Roth wrote:

> We have no hardware timing device on the box (no Zap hardware) and are 
> using the 2.6 kernel as the timing source.  Digium tech support told us 
> this is better than ztdummy, which we were using before.  We experienced 
> the same problems then, as well.  Could a lack of a hardware timing 
> source be our problem?

If you don't have ztdummy loaded, you don't have a timing source. 
Asterisk does not take timing from the 'kernel', although ztdummy has a 
mode where it can do so.

Regardless, if the call is SIP to SIP, a timing source is not relevant 
for this problem.