Spelso L, Operating Manual, Page: 9 / 11

6.4. Balance request
To request the balance on a SIM card installed for a GSM Gateway:
1. Lift the receiver and wait for a continuous tone.
2. Enter the balance request number (for example, *102# for Beeline or
*100# for MTS Russia).
3. Enter number for which you need balance data.
4. Wait for the SMS message to be delivered to the specified telephone
number.
Attention!
For a balance request, the GSM Gateway uses SMS delivery
to the mobile phone number. To ensure correct functioning, you need to have
money on the account and the ability to send SMS messages.
6.5. Call forwarding with gateway disabled
To enable call forwarding when the gateway is disabled, before
disconnecting it from network, dial the number "*808#". To cancel the function
dial "*808#".
7. Troubleshooting
Problem Possible cause Required actions
GSM Gateway
doesn't switch on,
LED indicators
don't light
1. No power in the
network.
2. Network adapter is
out of order.
1. Check power and socket.
2. Contact technical support service.
Outgoing calls
cannot be made
1. SIM card not
inserted.
2. Incompatible
SIM card.
3. SIM card PIN
code protection
enabled.
4. No money on
SIM card account.
1. Insert a SIM card.
2. Replace SIM card.
3. Disable PIN code protection.
4. Replenish SIM card account.
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