[Serusers] canceling echo

[Peter Boot]

Are there any config settings for controlling echo in SER ?

I have a Grandstream HT-486 connecting to SER then to Asterisk. There is a
bad echo when calling from the SIP side, asterisk has several methods of
canceling echo, but in this case have no effect.

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.707 / Virus Database: 463 - Release Date: 6/15/2004