Support (RFC 2865, 2866) Manual
FaxBack Proprietary and Confidential
Page 50 of 58
FB-Dial-Number
Attribute Type Data Type Length
FaxBack vendor-specific String (UTF-8) 0-64 chars
For a Send, this was the send fax number. For a Receive, this is the inbound DID.
FB-Dial-Prefix-Used
Attribute Type Data Type Length
FaxBack vendor-specific String (UTF-8) 0-60 chars
For a Send, ….
FB-ECM-Frame-Error-Count
Attribute Type Data Type Length
FaxBack vendor-specific Integer 4 bytes
The ECM frame error count for the fax session.
FB-Extended-Error-Code
Attribute Type Data Type Length
FaxBack vendor-specific Integer 4 bytes
The FaxBack extended error code for the fax session.
FB-Fax-Capabilities
Attribute Type Data Type Length
FaxBack vendor-specific Integer 4 bytes
The fax capabilities of the remote fax device. The following bit values are possible:
Value Meaning
1 ECM
2 MR
4 MMR
8 JBIG
16 JPEG
32 RES_200_400
64 RES_300_300
128 RES_400_400
FB-Fax-Error-Code
Attribute Type Data Type Length
FaxBack vendor-specific Integer 4 bytes
The FaxBack error code for the fax session. Zero means success. There are many error codes
that can be looked up with a utility.
FB-Is-Send
Attribute Type Data Type Length
FaxBack vendor-specific Integer 4 bytes