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.
#44383 by Groundhound
Fri Jan 29, 2010 7:52 am
rlewis wrote:I am dealing with similar issues - phone conversation sounds OK at home unit but caller hears only broken sentences. Road Runner - Time Warner is carrier.
Below are my stats - what am I dealing with? Do I need to get a new cable segment run from house to cable provider box at street?

What are your modem signal levels (http://192.168.100.1), downstream SNR, downstream power, upstream power?

How is your Ooma (Telo or Hub?) connected relative to your modem and router?

What kind of modem and router do you have?

What service speed tier do you subscribe to with TWC (don't include temporary boost speed claims)?

Does the problem occur on all calls?
#44385 by rlewis
Fri Jan 29, 2010 8:14 am
What are your modem signal levels (http://192.168.100.1), downstream SNR, downstream power, upstream power?
Not sure what you are asking for here.

How is your Ooma (Telo or Hub?) connected relative to your modem and router?
Telo is connected to RCA cable modem. Linksys WRT54GL router is connected to OOMA Telo.

What service speed tier do you subscribe to with TWC (don't include temporary boost speed claims)?
Road Runner Standard service with an claimed download speed of 6 Mbps and 512 for Kbps

Does the problem occur on all calls?
Not on all calls.
#44392 by Groundhound
Fri Jan 29, 2010 9:01 am
rlewis wrote:What are your modem signal levels (http://192.168.100.1), downstream SNR, downstream power, upstream power?
Not sure what you are asking for here.

For most cable modems, that link above will access the modem's configuration, which includes a signal level page; but perhaps your modem does not provide such information. When troubleshooting cable connections this kind of information can be valuable.
#44394 by rlewis
Fri Jan 29, 2010 9:26 am
Thomson Cable Modem Diagnostics

Signal Acquired at 699.000 MHz Connection: Acquired
SNR: 35.7 dB Frequency: 21.0 MHz
Received Signal Strength: -9.3 dBmV Power Level: 45.3 dBmV
Bit Error Rate: 0.000 % Channel ID: 8
Modulation: 256 QAM Modulation: 16 QAM
#44397 by Groundhound
Fri Jan 29, 2010 9:48 am
rlewis wrote:Thomson Cable Modem Diagnostics

Signal Acquired at 699.000 MHz Connection: Acquired
SNR: 35.7 dB Frequency: 21.0 MHz
Received Signal Strength: -9.3 dBmV Power Level: 45.3 dBmV
Bit Error Rate: 0.000 % Channel ID: 8
Modulation: 256 QAM Modulation: 16 QAM

Your Received Signal Strength (Downstream Power Level) is a bit on the low side. Here is some reference material: http://www.dslreports.com/faq/3412 and http://www.dslreports.com/faq/cabletech(see section 5).
You probably can improve your connection if your cable drop line is old by replacing it as you talked about earlier. Checking your indoor wiring connections and eliminating any unneeded splitters would be good too.

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