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128tap
2011 Sep 13
1
High delay from Asterisk as PSTN simulator
I'm trying to use Asterisk as a PSTN simulator to run performance tests for
echo cancellation algorithms. I'm using the following configuration:
SIP <-----> Asterisk 1 <----> Asterisk 2 <----> Echo()
Asterisk 1 and Asterisk 2 are connected using E1. Echo() is the dialplan
application.
The problem is the high delay using this configuration: 20 ms only in
Asterisk 2.