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troubleshooting FAX on IAD

Publication Date:  2017-08-20 Views:  46 Downloads:  0
Issue Description
IAD connected to U1960 and FAX is configure on IAD but after checking the FAX machine cannot send or recive 
Handling Process

1.Confirem that the anolag line provide FAX feature from ISP

also can be confirmed if try to dial the FAX number and hear FAX tone after a while

2.Confirem that the FAX line can make otugoing call and recive calls 

Check the prefix from the U19XX and the long numer for FAX ext 

3.Check the FAX machine setting 

a.same times FAX machine setting need to be changed from fixed line to EXT

b.Make sure thet the FAX machine use tone not pulse 

4.Check the FAX region 

a.login the IAD as SSH 

b.from the Config mode type region ?

c.Choose the region of the DTMF


5.Check the FAX gain 

login to the FAX as root user>Advanced configuration >user attribute > choose the FX user then modify 



6.Change the suscriber on u19 to bybass

run this command config modify subscriber dn <string> faxmode <null|bypass|t38> for a SIP user

END