Receiving Calls
When a call is made to either the landline phone number or the
cellular number assigned to the SIM card, the connected phones
will ring as normal. Simply pick up a handset to answer the call.
Ending Calls
While on a call using either the landline or the GSM network, to
disconnect the call, simply hang up the handset.
Symptom Problem
Always hear busy
signal when the
phone is off-hook
SIM card in not installed or the SIM card
is not making a proper connection with
the contacts on the SIM card holder.
Can not connect
with GSM network
Reorient the antenna.
Signal too weak at location.
Signal Strength
Indication is weak
Reorient the antenna.
Antenna is connected improperly.
No dial tone Telephone line is improperly connected.
Noise during calls Signal too weak.
Unit unexpectedly
shut down
Unit needs to be rebooted. Switch off the
power and wait a moment, then restart it.
Echo during calls Change antenna location.
Network problem. Please consult with
network operator.
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