Recommended T.38 Settings For Receiving Faxes From Cisco AS5350XM

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Hi,

What are the recommended T.38 settings for sending/receiving faxes from Cisco AS5350XM gateways? The chan_sip.conf file has a remark about what Cisco is doing wrong and says that the values received from the gateway should be overridden, but doesn’t say what settings to use for maximum success.

Can anyone give me some suggestions? I don’t know much about T.38 and I’ve been told I have to solve this…

Thanks!