[Asterisk-Users] Problem with rxfax - Dropping incompatible voice frame?

[steve at daviesfam.org]

On Thu, 19 Jan 2006, [iso-8859-1] Michaël Gaudette wrote:

> Executing Set("SIP/something",
> "FAXFILE=/var/spool/asterisk-fax/1137692307.5.tif") in new stack
>     -- Executing RxFAX("SIP/something",
> "/var/spool/asterisk-fax/1137692307.5.tif") in new stack
> Jan 19 12:38:30 NOTICE[12008]: channel.c:1906 ast_read: Dropping
> incompatible voice frame on SIP/something of format slin since our native
> format has changed to ulaw

FAXing doesn't work over Voice-over-IP channels.  Or, hardly ever works.  
Or, works occasionally but unreliably.  Check the spandsp FAQ.

Steve