fixup: A-Netz documentation
This commit is contained in:
parent
946c9ce10a
commit
01a29ccfaa
|
@ -35,9 +35,10 @@ Or if you can't increase the audio level on the transmitter, do it with 'alsamix
|
|||
</p>
|
||||
|
||||
<font size='4'><pre>
|
||||
anetz.c:244 info : Received 1750 Hz calling signal from mobile station, sending 1750 Hz acknowledge signal.
|
||||
anetz.c:256 info : 1750 Hz signal from mobile station is gone, stopping acknowledge signal.
|
||||
anetz.c:244 info : Received 1750 Hz calling signal from mobile station, removing idle signal.
|
||||
anetz.c:256 info : 1750 Hz signal from mobile station is gone, setup call.
|
||||
call.c:574 info : Incomming call from '' to 'operator'
|
||||
... after hangup...
|
||||
anetz.c:272 info : Received 1750 Hz release signal from mobile station, sending idle signal.
|
||||
anetz.c:201 info : Entering IDLE state, sending 2280 Hz tone.
|
||||
call.c:695 info : Call has been released with cause=16
|
||||
|
@ -46,11 +47,11 @@ call disconnected: hangup (enter h=hangup)
|
|||
|
||||
<p align='justify'>
|
||||
When you pick up the phone, the phone transmits a 1750 Hz calling tone.
|
||||
On reception, the base station then transmits a 1750 Hz acknowledge ton.
|
||||
On reception at the base station, the base station removes the 2280 Hz idle tone.
|
||||
After that the call is establised.
|
||||
After establishment, you can use the headset, if present, for speech communication with the phone.
|
||||
On hangup, the phone transmit a 1750 Hz hangup tone.
|
||||
Then the base station returns to idle again.
|
||||
Then the base station returns to idle again and sends the 2280 Hz idle tone.
|
||||
Be sure that the phone turns off the transmitter and indicates the (green) light.
|
||||
</p>
|
||||
|
||||
|
@ -58,10 +59,10 @@ Be sure that the phone turns off the transmitter and indicates the (green) light
|
|||
To call to the phone, be sure that your transmitter transmits loud enough to send 4 sine waves at once.
|
||||
Enter the last 5 digits of the phone's number and press 'd' to dial.
|
||||
If you listen to the transmit signal, you should hear 4 low pitched tones at once.
|
||||
The phone should now stop the idle light and indicate an incomming call.
|
||||
The phone should now turn off the green light and indicate an incomming call with a yellow light and a buzzer sound.
|
||||
There is no acknowledgement from the phone until you pick up the call.
|
||||
If the phone does not indicate an incomming call, increase the volume of the transmit signal, but be sure not to overdrive it.
|
||||
Also be sure that you are actually dialing the right number, so the base station generates the correct paging tones.
|
||||
Also be sure that you are actually dialing the right number, so the base station generates the correct paging tones for your phone.
|
||||
</p>
|
||||
|
||||
<p align='justify'>
|
||||
|
@ -69,9 +70,10 @@ Instead of transmitting all 4 tones at once, they can be transmitted after each
|
|||
Each tone is playes for a short time.
|
||||
After the last tone has been played, base station starts again with the first tone.
|
||||
My phone also responds to a call, even if the tones cycle rather than sent simultaniously.
|
||||
In this case the level of each tone is four times highter (+6 dB).
|
||||
In this case the level of each tone is two times highter (+3 dB), but the peak level is two times lower (-3 dB) than the peak level of 4 simultanious tones.
|
||||
Add command line option "-P 50" to send each tone for 50 milliseconds.
|
||||
Try something between 20-100 milliseconds, if the phone still doesn't ring.
|
||||
Be sure to check: Does your transmitter has enough frequency deviation (15 KHz is suggested)? Do you really send the correct number of your phone, check the frequencies of your phone and use "-D 0" option to see what 4 frequencies the base station actually transmits.
|
||||
</p>
|
||||
|
||||
[<a href="index.html">Back to main page</a>]
|
||||
|
|
Loading…
Reference in New Issue