[Serusers] Fax and SIP

[Andreas Granig]

Giovanni Balasso wrote:
> enters SIP, and we all well know that SIP is media independent, so could I 
> send documents instead of voice? I mean having two SIP endpoints which can 
> transfer, say, a postscript file. Then we should build SIP fax machines which 
> can scan documents to ps and send and receive via SIP, and as well build PSTN 
> gateways which receive from SIP and simply pass ps data to some fax server 
> like hylafax.

T.37 uses a more or less similar approach for receiving Faxes from PSTN 
and forward it to IP, see 
http://www.cisco.com/en/US/tech/tk652/tk777/technologies_white_paper09186a00801fe5da.shtml 
for details.

But why using SIP when there is SMTP?

Andy