How to change fax parameters when FoIP installed?

• When you have FoIP Addon installed, we set the required parameters by default from the scripts. The parameters are as below.
  
  

t38_passthru=true
fax_enable_t38_request=true
fax_use_ecm=false
fax_v17_disabled=false
fax_disable_v17=true
fax_enable_t38=true
fax_transfer_rate=9600 (For inbound)

• If you want to change the above parameters for specific gateway/carrier then you will need to override them from gateway module. 

Step-by-step guide

1. Visit Carriers → Gateways → Dialplan Variables (Field)
2. Set the parameters like key1=value1,key2=value2 format. Example: 

Related articles