Recommended
environment: Highly
recommended for environments where routing a fax to a specific department
or workgroup is sufficient.
DTMF
routing
DTMF
(Dual Tone Multi Frequency) routing
is based on the tones generated by a telephone handset on the calling fax
machine, and can be used to identify a recipient. The DTMF number can be
appended after the regular fax number.
Routing a fax using DTMF/DID routing
The system works in the
following way:
1. The caller dials the fax number and waits until the call is answered.
2. The fax card/modem will now transmit a tone, after which the caller/PBX
must enter the DTMF routing number.
3. The GFI FAXmaker fax server will recognize the DTMF number and use it
to identify the recipient of the fax.
DTMF routing is most
frequently used in combination with a voice modem and a PBX that supports
DID/DTMF conversion. In this case, you can use excess DID lines from the
PBX to route the fax to an extension.
The PBX will convert the
DID tones to DTMF and forward them to the modem after the modem beep. Most
common PBXs support the conversion from DID to DTMF.
Requirements:
- A MultiTech voice
modem (check for compatibility with GFI) OR Brooktrout fax card- User
must input DTMF number. If PBX is used, the network administrator must
have advanced technical telecommunications knowledge to operate and
program the PBX.
Recommended
environment: Only in specific
environments where a special PBX is available or where one can explain to
the callers (i.e. the senders of the fax) how to input the DTMF number
Do
not enable DTMF/DID routing unless you have a compatible voice modem or a
compatible ISDN/fax card correctly set up. Compatible voice modems are MultiTech
modems that have a Rockwell voice chipset. You must also select the
corresponding driver in Modem properties as Voice modem (Rockwell). If you
enable DTMF routing without having a voice modem or an ISDN card, the fax
server will generate an error while receiving.
What
is DTMF? - DTMF (Dual Tone Multi Frequency) tones are generated by a
telephone handset, and can be used to identify a recipient. DTMF uses two
tones to represent each key on the touch pad. When any key is pressed, the
tone of the column and the tone of the row are generated, hence dual tone.
As an example, pressing the '5' button generates the tones 770Hz and
1336Hz.
CSID
(Caller Sender Identification) relies on the FAX ID, which each FAX
machine/FAX card displays when sending a fax. Since it rarely changes, it
can be used to identify the sender and thus the corresponding recipient.
Routing
a fax using the FAX ID (CSID)
The
fax ID on a received fax
Requirements:
Recommended environment: Only
in specific environments where each user faxes to different companies. For
example, if your sales and support people both interact with the same company,
then CSID routing is not recommended.
Manual
routing
When no recipient can be determined for a fax, the faxes are routed to a
designated mailbox, from where the inbound fax router (a person designated
to route faxes) can view the fax and select the right recipient. This
mailbox can be the mailbox of a particular user, or it can be an Exchange
public folder.
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