LX20B – Manual Page 28 / 67
When using public APN , user ID is mostly not required. For private APN this
parameter shall be obtained from operator (it is impossible to be granted access to
GPRS network without it).
Note: Private APN provides for higher system security.
7.1.2.2. Servers - for the devices with two SIM Card slots
In case of the LX20B – 5D which have two slots for the SIM card, Server tab is as
follows:
7.1.2.2.1 Primary server
Working mode
Depending of user preferences, a device may operate in 1 out 4 modes (available
from scrolled list):
o GPRS & SMS: GPRS standard transmission (TCP/IP Protocol), and if any
problems follow with this link it automatically SMS mode will follow.
o SMS: Transmission only in SMS mode, without trial to establish GPRS link
o GPRS: GPRS standard transmission (TCP/IP Protocol), and in case of any
problems with this link no transmission will follow.
o Serverless: no transmission to the server with is possible, remote
communication possible only via SMS notifications.