We have migrated from a 3G modem HL8548 chip, to the 4G HL7692.
However, attempting to make a PPP connection always returned zero’s and failed.
We have since managed to get the 4G connection working by setting the PDP context to 2, i.e.
Here is the link on another forum that advises the same:
Can anyone tell me why this works?
Is this is correct?
According to the link above, PDP context 1 is reserved for retrieving an IP address and using it results in a conflict. Is this true? Does this refer to the Default EPS Bearer that is established when attaching to the network?
Why do we have to create another PDP context/Bearer for this to work?
Could this solution cause any other problems?