[asterisk-users] 1.6.1 app_fax: WARNING T.30 ECM carrier not found ??

[sean darcy]

Receiving a fax with 1.6.1:

   == Spawn extension (incoming-pstn-line, fax, 1) exited non-zero on 
'DAHDI/4-1'
     -- Executing [fax at incoming-pstn-line:1] NoOp("DAHDI/4-1", "Fax 
Detected") in new stack
     -- Executing [fax at incoming-pstn-line:2] Goto("DAHDI/4-1", 
"incoming-fax,s,1") in new stack
     -- Goto (incoming-fax,s,1)
     -- Executing [s at incoming-fax:1] Set("DAHDI/4-1", 
"FAXFILE=/var/spool/asterisk/fax/20090504_1602-0") in new stack
     -- Executing [s at incoming-fax:2] ReceiveFAX("DAHDI/4-1", 
"/var/spool/asterisk/fax/20090504_1602-0.tif") in new stack
     -- Starting simple switch on 'DAHDI/1-1'
     -- Remote UNIX connection
     -- Hungup 'DAHDI/1-1'
[2009-05-04 16:02:39] WARNING[12989]: app_fax.c:128 span_message: 
WARNING T.30 ECM carrier not found
[2009-05-04 16:02:40] WARNING[12989]: app_fax.c:128 span_message: 
WARNING T.30 ECM carrier not found
[2009-05-04 16:02:40] WARNING[12989]: app_fax.c:128 span_message: 
WARNING T.30 ECM carrier not found
[2009-05-04 16:02:46] WARNING[12989]: app_fax.c:128 span_message: 
WARNING T.30 ECM carrier not found
[2009-05-04 16:02:46] WARNING[12989]: app_fax.c:128 span_message: 
WARNING T.30 ECM carrier not found
     -- Executing [s at incoming-fax:3] Hangup("DAHDI/4-1", "") in new stack

ECM - error correction mode ( right?) - but the fax is received OK. Any 
reason to worry? Anything to do?

sean