[SIPForum-discussion] Quintum and Echo Cancelation

[Mostafa Ali]

Dear All , 

I have analog Tenor ( 2 FXO ) connected to GSM gateway , when i intiate internet call the called party ( Cellular Phone )  has un-accepted echo . I tried to play with line impedence in the CAS line signalliing configuration with no effect .

Can anybody help me solving this serious problem .

Thanks & Best Reagrds 
Mostafa Ali 
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