I use a Cisco 2621XM Router with 12.3(11)T6 IOS, NM-HD-2V with VIC2-2FXS and I try to configure the t.37 protocol. Olso, I use a smtp Exchange server for a fax mail server and a fax machine connected in a FXS port. I use the Cisco Configuring documentation in the configuration process, but I have a problem: after I configured the FXS pots and after I use the "call application on-ramp " I receive the busy tone when I peek up the phone and I can't send a fax msg. The question is: What are be the problem for this busy ton?
Hi. It seems as if the on-ramp fax application was designed to be used only with digital interfaces, such as E1 or T1. This is because the router needs to receive a DNIS in order to match the inbound dial-peer where the application is configured. Because analog interfaces do not carry a DNIS, the on-ramp application will fail.
In order to be able to use this application with an analog interfaces, such as your FXS, you need to do a trick. You need to configure a translation profile that will assign a DNIS to your inbound call, and will allow the inbound dial-peer to be matched.
In this sample configuration, voice-port 3/1/3 is your FXS port whre the fax machine is attached and firstname.lastname@example.org is the mailbox where you want your fax to be delivered. Don't forget the required mta send commands.
After installing one more 128 MB memory module, error mess, that originated earlier, no more appeared and fax is outgoing to SMTP server. What reason for this requirement and how i can using t.37 with 128 MB memory module? Most of gateways, that i have, shipping with smaller amount of RAM and i prefer getting by without install additional memory. That is very difficult.
I had the same problem, and with the answer from Rafael, it worked.. but..
If i have not only one mmoip fax to forward the fax to, but some mmoip faxes, needing to match and distinguish (some faxe numbers mean different emails, meaning different matches)? (so i cant use always the same DNIS, from the rule)
Unfortunately, due to the very nature of the FXO port, which lacks for DNIS information, you can't do that. If you need incoming faxes to be sent to different e-mail accounts you'll need to have several FXO ports, one for each possible destination.
It's basically the same reason why you can't have DID in analog ports.
But, ive got just one fax in a FXS port. I just want to be able to send to different mmoip faxes from this analog machine. Isnt that possible? (with the rule from your explanation it always send to the same).
I tested it and it works. Try use this configuration:
! define fax's number and start fax onramp app
! when port goes offhook
dial-peer voice 10 pots
! common fax onramp app
! fax in FXS voice-port 0/0/0
! incoming (from fax to T.37)
dial-peer voice 20 mmoip
service fax_on_vfc_onramp_app out-bound
! any number will match
session target mailto:...
! optional DP for faxes from T.37 to fax
! outgoing (from T.37 to fax)
dial-peer voice 30 mmoip
incoming called-number .T
In this case fax sent to any number will be catched by T.37 application and sent to mailto: address.
When you will sent T.37 email to gateway with called number 30, it will reach fax on 0/0/0.
When you want to sent T.37 email to different numbers and lines, you have to define more POTS DPs.
In configuration above FXS port 0/0/0 can't be used for phone. Any call made by this phone will be treated as fax independently on dialed number.
And one more note: when you use FXS (or FXO) with this setup, all faxes have to be handled by T.37. No fax from that port will be processed by POTS - so you can't send some faxes to T.37 and some to E1 link (for example).
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
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