VARO - TL26
Signal diagram variations for outgoing traffic
Format
VARO = D1D2D3D4D5D6D7D8 |
||
D1D2 = |
00 |
Reserved. |
D3 = |
0 - 3 |
See Table Table 1. |
D4 = |
0, 1 |
See Table Table 2. |
D5 = |
0 - 6 |
See Table Table 3. |
D6 = |
0 - 5 |
See Table Table 4. |
D7 = |
0, 1 |
See Table Table 5. |
D8 = |
0, 1 |
See Table Table 6. |
0 |
1 |
2 |
3 |
|
Type of call metering (only valid if pulse detection |
. |
. |
. |
. |
is done on the TLU-board) |
. |
. |
. |
. |
No pulse detection is done on the TLU-board |
X |
. |
. |
. |
50 Hz call metering is used |
. |
X |
. |
. |
12 kHz call metering is used |
. |
. |
X |
. |
16 kHz call metering is used |
. |
. |
. |
X |
0 |
1 |
|
Receive external PTS (150 Hz) *) |
. |
. |
No |
X |
. |
Yes |
. |
X |
*) |
150 Hz PTS is detected using external equipment. When the external equipment detects a PTS it sends an "external PTS" to the external line board (TLU). |
0 |
1 |
2 |
4 |
5 |
6 |
|
Mobile phone |
. |
. |
. |
. |
. |
. |
No |
X |
X |
X |
. |
. |
. |
Yes |
. |
. |
. |
X |
X |
X |
Post digit selection |
. |
. |
. |
. |
. |
. |
DTMF |
X |
. |
. |
X |
. |
. |
Decadic pulsing *) |
. |
X |
. |
. |
X |
. |
Not allowed |
. |
. |
X |
. |
. |
X |
*) |
Decadic pulsing is only allowed when digital telephone sets and operators are available in the exchange. |
0 |
1 |
4 |
5 |
|
Transmitting level of KS -Keycode sender (DTMF) |
. |
. |
. |
|
Normal level |
X |
X |
. |
. |
Attenuation or amplifying |
. |
. |
X |
X |
Detection level of TR -Tone receiver |
. |
. |
. |
. |
Normal level |
X |
. |
X |
. |
Attenuation or amplifying |
. |
X |
. |
X |
0 |
1 |
|
Type of register signalling |
. |
. |
Decadic pulsing |
X |
. |
DTMF |
. |
X |
0 |
1 |
|
Type of trunk |
. |
. |
ALS70 |
X |
. |
Subscriber line signalling |
. |
X |
Note: TLU75/1 does only support Subscriber Line Signalling.
Function
The parameter indicates the signal diagram variations for outgoing traffic.
VARO may be omitted for incoming traffic only.
Example 1
Type of call metering (only ... |
No pulse detection |
Receive external PTS (150 Hz) *) |
Yes |
Mobile phone |
No |
Post digit selection |
DTMF |
Transmitting level of KS ... |
Normal level |
Detection level of TR -Tone ... |
Normal level |
Type of register signalling |
DTMF |
Type of trunk |
ALS70 |
VARO = 00010010
Example 2
Type of call metering (only ... |
12 kHz call metering is used |
Receive external PTS (150 Hz) *) |
No |
Mobile phone |
No |
Post digit selection |
DTMF |
Transmitting level of KS ... |
Normal level |
Detection level of TR -Tone ... |
Normal level |
Type of register signalling |
DTMF |
Type of trunk |
Subscriber signalling |
VARO = 00200011