This forum includes tips for maintaining the best audio quality possible with the Ooma System. If your Ooma system is having issues with dropped calls, static audio or echo, look here for assistance.
#96580 by 5166203521
Fri Jun 01, 2012 11:29 am
Guys,

I understand that as long as the Handset supports HD and is DECT6.0 compatible it should work with Telo, but will the other functionality like the address book transfer, DND etc will work?
#96588 by lbmofo
Fri Jun 01, 2012 3:13 pm
All non pulse phone should work with Ooma. HD, you can only get from a handful of phones other than Ooma Telo handset.

Ooma features you mentioned (online address book sync, DND) would only work with Ooma Telo handset.
#122697 by oomamaniacal
Thu Sep 11, 2014 12:13 am
Dennis P wrote:We have not found any cordless phones which we consider HD Voice compatible. All standard cordless phones that we know of compress the voice signal from 64k to 32k (one DECT channel) when it is sent over the air so they actually sound slightly worse than a corded phone. This also means that they will not pass anything higher than 4kHz. To do HD Voice over DECT, you have to use 2 timeslots so you can run G722 (which operates at 64k) over the air. We do that in a proprietary way on our handsets because DECT doesn't have the provisions to do so in a standard manner.

We raided a few local retail stores for corded phones and tested them to see if they were HD Voice compatible. Here are a few that tested OK:

AT&T 210
AT&T 983
AT&T 993
AT&T TR1909
AT&T CL2909
AT&T CL2939
Panasonic KX-TS105(W or B)
Panasonic KX-TS208(W or B)
Panasonic KX-TS3282(W or B)
RCA 25201RE1
Uniden CEZ200
Uniden CEZ260
Uniden 1100
Uniden 1260
Uniden 1360
Uniden 3162



Would I get the same HD voice quality with these phones if connected to a Linx instead of the Telo's phone port?
#127652 by lbmofo
Wed Mar 11, 2015 6:19 pm
oomamaniacal wrote:Would I get the same HD voice quality with these phones if connected to a Linx instead of the Telo's phone port?

The answer is no. Need to connect to Telo's "phone" port. Connecting to Linx, you get about the same quality as Hub's "phone" port.

Ooma HD test numbers (free Ooma to Ooma calling):

900-265-1001 (Voicemail lady)
900-265-1005 (The Talker)
900-265-1007 (Ooma radio commercial)
900-265-1008 (Piano)
900-265-1009 (Bird song)
#127653 by lbmofo
Wed Mar 11, 2015 6:56 pm
Needed a desk speaker phone (my DECT 6 phone base is a terrible speaker phone) so I did some surfing to find the one I wanted (based on Dennis' list posted a while back).

My want was pretty simple: good quality speaker phone with good enough caller ID screen and AC powered (instead of just battery so buttons light up and LCD backlit etc). If HD compatible, that much better. AT&T 993 was an excellent fit. I found it new on eBay for cheap (roughly $50+ including shipping). If you walk into Staples or some place like that, they have newer AT&T model desk phones like AT&T ML17939 (not HD compatible).

Dennis P wrote:We have not found any cordless phones which we consider HD Voice compatible. All standard cordless phones that we know of compress the voice signal from 64k to 32k (one DECT channel) when it is sent over the air so they actually sound slightly worse than a corded phone. This also means that they will not pass anything higher than 4kHz. To do HD Voice over DECT, you have to use 2 timeslots so you can run G722 (which operates at 64k) over the air. We do that in a proprietary way on our handsets because DECT doesn't have the provisions to do so in a standard manner.

We raided a few local retail stores for corded phones and tested them to see if they were HD Voice compatible. Here are a few that tested OK:

AT&T 210
AT&T 983
AT&T 993
AT&T TR1909
AT&T CL2909
AT&T CL2939
Panasonic KX-TS105(W or B)
Panasonic KX-TS208(W or B)
Panasonic KX-TS3282(W or B)
RCA 25201RE1
Uniden CEZ200
Uniden CEZ260
Uniden 1100
Uniden 1260
Uniden 1360
Uniden 3162

These corded phones DID NOT pass our HD Voice tests:

AT&T ML17939
RCA 25214
Sakar HT848CL
Sakar KT1600CL
Polycon SE-225 Soundoint Pro
#127658 by oomamaniacal
Wed Mar 11, 2015 9:46 pm
lbmofo wrote:Needed a desk speaker phone (my DECT 6 phone base is a terrible speaker phone) so I did some surfing to find the one I wanted (based on Dennis' list posted a while back).

My want was pretty simple: good quality speaker phone with good enough caller ID screen and AC powered (instead of just battery so buttons light up and LCD backlit etc). If HD compatible, that much better. AT&T 993 was an excellent fit. I found it new on eBay for cheap (roughly $50+ including shipping). If you walk into Staples or some place like that, they have newer AT&T model desk phones like AT&T ML17939 (not HD compatible).



I happened to have an AT&T 210 before getting Ooma service and I tested it using a Linx and the Telo phone port with the HD test numbers. It sounded great with both! I think the bird song is the best example of how good HD voice can sound. If any Telo user wants to hear the full capabilities of their system, I highly recommend getting an HD compatible phone. Amazon has the 210 for just $10.

Now I wish everyone I call would have Ooma service and an HD capable phone.
#127659 by lbmofo
Wed Mar 11, 2015 10:53 pm
Linx connected phone won't sound as good when calling these HD numbers. You won't hear all of the Bird Song. Ooma HD2 handset is best. These HD compatibles sound pretty close to HD2 when connected to Telo phone port.
#127674 by lbmofo
Thu Mar 12, 2015 3:48 pm
AT&T 993 - HD Compatible
AT&T 993.jpg
AT&T 993.jpg (36.84 KiB) Viewed 6339 times

AT&T ML17939 - Not HD Compatible
AT&T ML17939.jpg
AT&T ML17939.jpg (42.23 KiB) Viewed 6339 times

Dennis P wrote:We have not found any cordless phones which we consider HD Voice compatible. All standard cordless phones that we know of compress the voice signal from 64k to 32k (one DECT channel) when it is sent over the air so they actually sound slightly worse than a corded phone. This also means that they will not pass anything higher than 4kHz. To do HD Voice over DECT, you have to use 2 timeslots so you can run G722 (which operates at 64k) over the air. We do that in a proprietary way on our handsets because DECT doesn't have the provisions to do so in a standard manner.

We raided a few local retail stores for corded phones and tested them to see if they were HD Voice compatible. Here are a few that tested OK:

AT&T 210
AT&T 983
AT&T 993
AT&T TR1909
AT&T CL2909
AT&T CL2939
Panasonic KX-TS105(W or B)
Panasonic KX-TS208(W or B)
Panasonic KX-TS3282(W or B)
RCA 25201RE1
Uniden CEZ200
Uniden CEZ260
Uniden 1100
Uniden 1260
Uniden 1360
Uniden 3162

These corded phones DID NOT pass our HD Voice tests:

AT&T ML17939
RCA 25214
Sakar HT848CL
Sakar KT1600CL
Polycon SE-225 Soundoint Pro
#127679 by lbmofo
Thu Mar 12, 2015 8:35 pm
Tested OK

AT&T 210
AT&T 210.jpg
AT&T 210.jpg (13.27 KiB) Viewed 6326 times

AT&T 983
AT&T 983.jpg
AT&T 983.jpg (11.87 KiB) Viewed 6326 times

AT&T 993
AT&T 993.jpg
AT&T 993.jpg (14.45 KiB) Viewed 6326 times

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