SPA9000 and SPA400 Disconnect Tone

If you are having problems with the Linksys SPA400 disconnecting PSTN calls (or rather - not disconnecting PSTN calls after the caller has hung-up), try the following settings:

On the spa400 there is a hidden page.
http:///html/hide_cptone.htm

Enter in the following:

Tone on Fraction: 45
High Cutoff Frequency: 430
Low Cutoff Frequency: 420

First Tone on and off: 375
Second Tone on and off: 375
Repeat Count: 2

Press Submit.

Then Voice Tab (PSTN Settings), use the following for Australia:
Transmit Gain: 10db
Receive Gain: 0db
Impedence: 220 Ohms + (820 Ohms||120nF)
Tip/Ring Voltage: 3.1V
Operational Loop current min: 14mA
On-Hook Speed: 26ms (Australia)
DC Current Limiting: Disable
Caller ID: European
Tear Down FXO port when silence period detected: 120 sec

Worked a treat for our SPA9000 / SPA400 / SPA942's!

Of course, if you still need assistance, please feel free to contact our SUPPORT division, iTSupportSquad on 1300 858 909!