Tag: Fedora 15

To start, I setup a clean, minimal Fedora 15 installation.

Install requirements

After installation, we install a few more tools that we need:
yum install asterisk asterisk-fax #base
yum install perl-Email-MIME libtiff-tools #for mailer script
yum install telnet mc vim ntp rsync #for convenience and backup

Synchronize your time:
sntp -s pool.ntp.org

Configuration

On a clean asterisk installation, we only edit a few files.

sip.conf
Edit /etc/asterisk/sip.conf and make the following changes:

• Look for ;faxdetect=yes and uncomment it by removing the ;
• Somewhere under [global] put your register string. For example:
  register => myUsername:myPassword@12.34.56.78/31331234567
  In this example 12.34.56.78 is the ip of my SIP provider and 31331234567 my internationalized fax number.
• At the bottom, add the following lines:
  

  [trunk-geeklab-9]
  
  username=myUsername
  
  type=peer
  
  secret=myPassword
  
  qualify=yes
  
  host=12.34.56.78
  
  canreinvite=yes
  
  context=geeklab-fax
  
  insecure=invite
  
  

extensions.conf
To /etc/asterisk/extensions.conf add the following lines:

[geeklab-fax]

exten => 331234567,1,Goto(inboundfax,s,1)

;This is the DID number my provider rings. I would

;prefer 3133123... or 033123... but that's just the

;way it is. Your provider may use another format.



[inboundfax]

;I could have merged this with [geeklab-fax] but i decided not to.

exten => s,1,NoOp(**** FAX RECEIVED from ${CALLERID(num)} ${STRFTIME(${EPOCH},,%c)} ****)

exten => s,n,Set(FAXOPT(ecm)=yes)

exten => s,n,Set(FILENAME=fax-${STRFTIME(${EPOCH},,%Y%m%d-%H%M%S)}-${CALLERID(num)})

exten => s,n,Set(FAXFILE=${FILENAME}.tif)

exten => s,n,Set(FAXOPT(ecm)=yes)

exten => s,n,Set(FAXOPT(headerinfo)=Received by MYCOMPANY ${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M)})

exten => s,n,Set(FAXOPT(localstationid)=0331234567)

exten => s,n,Set(FAXOPT(maxrate)=14400)

exten => s,n,Set(FAXOPT(minrate)=2400)

exten => s,n,NoOp(FAXOPT(ecm) : ${FAXOPT(ecm)})

exten => s,n,NoOp(FAXOPT(headerinfo) : ${FAXOPT(headerinfo)})

exten => s,n,NoOp(FAXOPT(localstationid) : ${FAXOPT(localstationid)})

exten => s,n,NoOp(FAXOPT(maxrate) : ${FAXOPT(maxrate)})

exten => s,n,NoOp(FAXOPT(minrate) : ${FAXOPT(minrate)})

exten => s,n,NoOp(**** RECEIVING FAX : ${FAXFILE} ****)

exten => s,n,ReceiveFAX(/var/spool/asterisk/fax/${FAXFILE})

exten => s,n,Hangup()

exten => h,1,NoOp(FAXOPT(ecm) : ${FAXOPT(ecm)})

exten => h,n,system(/usr/local/bin/fax-process.pl --to yourname@geeklab.info --from fax@geeklab.info --subject "Fax from ${URIENCODE(${CALLERID(number)})} ${URIENCODE(${CALLERID(name)})}" --attachment ${FILENAME}.pdf --type application/pdf --file ${FAXFILE});

Inbound fax notification

When you get a fax, you'll probably want it in you mailbox. Download fax-process.txt and move it to /usr/local/bin/fax-process.pl. Make it executable using chmod 755 /usr/local/bin/fax-process.pl. If you haven't disabled SELinux, change the files security context by running: chcon system_u:system_r:asterisk_t:s0 fax-process.pl

Firewall

You won't get any calls if the firewall drops them. You may want a complex firewall. But since I'm using this virtual machine as a dedicated fax, I allow all from my SIP host and nothing from other hosts. Edit /etc/sysconfig/iptables to reflect your preferences. Mine are:

*filter

:INPUT ACCEPT [0:0]

:FORWARD ACCEPT [0:0]

:OUTPUT ACCEPT [59:6844]

-A INPUT -s 12.34.56.78 -p tcp -m tcp ! --dport 22 -j ACCEPT 

-A INPUT -s 12.34.56.78 -p udp -m udp -j ACCEPT 

-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 

-A INPUT -p icmp -j ACCEPT 

-A INPUT -i lo -j ACCEPT 

-A INPUT -p tcp -m state --state NEW -m tcp -s my.ho.me.ip --dport 22 -j ACCEPT 

-A INPUT -j REJECT --reject-with icmp-host-prohibited 

-A FORWARD -j REJECT --reject-with icmp-host-prohibited 

COMMIT

You're done

Start asterisk by running service asterisk start and you're good to go.

© GeekLabInfo An Asterisk 1.8 fax server is a post from GeekLab.info. You are free to copy materials from GeekLab.info, but you are required to link back to http://www.geeklab.info

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