[Asterisk-Users] Clicks in audio with TE100P PRI

Andrew Kohlsmith akohlsmith-asterisk at benshaw.com
Wed Jun 8 08:46:42 MST 2005


On Wednesday 08 June 2005 11:19, Alejandro G wrote:
> When I call to the TDM400 cards from the PAP2 eveything is OK, sound
> quality is perfect.
> When I call to terminate the call in PSTN through E100P I hear clicks which
> aparently are RTP packet looses. This clicks are only heard in the PSTN
> side, not in the PAP2.

You just described a classic clock slip situation.

Are you synchronizing to the PSTN?  i.e. does your span line have '1' for 
clocking?  You want to sync to them instead of free-run (clock of '0').

-A.



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