On Sat 10 Feb at 11:51 Lewin Edwards (3:634/396) wrote to Arthur Marsh:

 LE> Is there the faintest possibility that an Optus-overridden call 
 LE> might have been put through such equipment ? I tried Optus, 
 LE> you see, as a last desperate move (!). My default carrier is 
 LE> also Optus at this time, due to recent (and ongoing)... 
 LE> "upsetting"... events of which I'm sure you're aware. I 
 LE> still experience the same symptoms.

I don't think international calls via Optus go through Telstra's
international gateway's echo cancellers.

Anyway, you should try dialing the Telstra override then 0011 for
international modem calls. You may be pleasantly surprised:

If you want to see a truly low speed V.34 connect:


: 14 Feb 01:23:52 BINK Dialing 0011-1-813-399-0092
# 14 Feb 01:24:32 BINK Connect 9600 Reliable  Ec=(Lapm) Dc=(V42Bis)
* 14 Feb 01:24:39 BINK Pinellas Hub 2 * Pinellas Most Reliable Hub! (1:3603/20020)
...
# 14 Feb 01:25:04 BINK Device Serial      009641141
# 14 Feb 01:25:04 BINK Hit Any Key To Continue  ( Q To Quit )
# 14 Feb 01:25:05 BINK Software Part #    71894071
# 14 Feb 01:25:05 BINK Mcc Code           21876
# 14 Feb 01:25:05 BINK Country Code       61
# 14 Feb 01:25:05 BINK Product Code       40375
# 14 Feb 01:25:05 BINK   
# 14 Feb 01:25:05 BINK Phase Jitter           0 Deg
# 14 Feb 01:25:05 BINK Frequency Offset       0 Hz
# 14 Feb 01:25:05 BINK Transmit Level       -13 Dbm
# 14 Feb 01:25:05 BINK Receive Level        -27 Dbm
# 14 Feb 01:25:05 BINK Retrain Count          1
# 14 Feb 01:25:05 BINK Echo Delay           338 Ms
# 14 Feb 01:25:05 BINK Far  Echo Level      -50 Dbm
# 14 Feb 01:25:05 BINK Near Echo Level      -33 Dbm
# 14 Feb 01:25:05 BINK Phase Roll            .0 Hz
# 14 Feb 01:25:05 BINK Signal/Noise Ratio    18 Db
# 14 Feb 01:25:05 BINK Signal Quality         8
# 14 Feb 01:25:05 BINK Error Probability      0 %
# 14 Feb 01:25:05 BINK   
# 14 Feb 01:25:05 BINK Disconnect Reason  Dtr Drop

9600 bps / V.34 when the Signal to Noise ratio was 18 dB.

V.32bis would not connect under such conditions unless you forced 4800 bps I believe.
Have any Netcomm V.34 modem owners experienced improvements in
international call quality via Telstra?

--- msgedsq 2.1