[Asterisk-Users] need help troubleshooting clipping and garbl ed VOIP calls

[Colin Anderson]

>It seems only the Far-end (called party), is hearing this and not the 
>calling party.

So, looks like the A in ADSL is showing here. What is your upstream
bandwidth? If it is < 1mbit this is the most likely cause. If your VoIP
provider allows it, change your codec to GSM, which IMO has the best
bandwidth management of the non-licensed codecs. It can only help.

good luck, hth