Problems using My Ooma? Ideas on how we can make it better? You’ve come to the right place.
#31630 by nOOb
Sat Nov 07, 2009 6:28 am
Just purchased the Telo yesterday from Best Buy. Hooked it up with no problems, after the 20 minute update download. I then proceeded to hook up my fax machine. I was able to send a 30 page fax with relative ease, but cannot receive a fax. The opposing fax machine calls in and my fax machine answers, but then after 2-3 seconds it disconnects.

I've enabled fax mode. Rebooted the Telo. The telo is after the modem, before the router. I can make and recieve phone calls with no problems.

Any thoughts would be appreciated. I guess my next step would be to call customer service?
#31701 by inrame
Sat Nov 07, 2009 5:46 pm
i have never received a fax (though i have sent a number of them) so i am no expert here.

here is a doclink to some additional things to try like turning off error correction or lowering the transmission speed. .

something to start with and hopefully another Telo user with a fax will chime in with some more ideas.
#31702 by murphy
Sat Nov 07, 2009 5:48 pm
Log into My Ooma and turn off the connection tone.
#31776 by inrame
Sun Nov 08, 2009 8:49 am
i'm wondering if tinkering with your QoS settings on the router would be useful.

this would be kind of a hassle... but you might want to try hooking the Telo directly after your modem (so the router isn't in between) and see if you can receive a fax that way.

do you have a land line? i'm assuming you have been receiving faxes previously via the land line right? is this a new fax?
#31789 by daet
Sun Nov 08, 2009 9:28 am
#32025 by inrame
Sun Nov 08, 2009 6:28 pm
here is a brief doc on QoS (the Call Quality form has a lot about this feature): . basically, the quality of service settings throttle how much bandwidth the device can use at a time. if you are not getting enough consistent bandwidth the fax could fail.

if your Telo is after the router though, it is the QoS settings on the router that will be most critical. have you configured any QoS settings on your router for the Telo? Often the routers have a similar QoS settings like the Telo.
#32098 by nOOb
Sun Nov 08, 2009 9:20 pm
For troubleshooting purposes, I disconnected my router and now I only have the Telo. No change. I have the QoS on the Telo setup for 0 (disabled) for both upload and download. I did some speed tests. Here are the results:

Download speed: 983528 bps
Upload speed: 370008 bps
Download quality of service: 89 %
Upload quality of service: 99 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 245 ms
Average download pause: 13 ms
Minimum round trip time to server: 84 ms
Average round trip time to server: 86 ms
Estimated download bandwidth: 983528bps
Route concurrency: 1.0
Download TCP forced idle: 0 %

I also hooked my MagicJack back up and sent a fax to the HP's FaxBack # and received a fax back, no problems.
#32119 by ajw522
Sun Nov 08, 2009 10:41 pm
Enable Fax Mode on My Ooma. Fax Mode is required for Telo to receive fax.

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