SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09
13Packet switched data services
Page 124 of 307
Type Syntax Response Example
OK +UPSD: 0,4,"0.0.0.0"
...
+UPSD: 0,19,0
OK
13.4.3Defined values
Parameter Type Description
<profile_id> Number PSD profile identifier, in range 0-6
<param_tag> Number
•
0: Protocol type; the allowed values of <param_val> parameter are
o 0 (factory-programmed value): IPv4
o 1: IPv6
o 2: IPv4v6 with IPv4 preferred for internal sockets
o 3: IPv4v6 with IPv6 preferred for internal sockets
•
1:
APN
-
<param_val>
defines
the
APN
text
string,
e.g.
"apn.provider.com";
the
maximum length is 99. The factory-programmed value is an empty string.
•
2:
username
-
<param_val>
is
the
user
name
text
string
for
the
authentication
phase. The factory-programmed value is an empty string.
•
3:
password
-
<param_val>
is
the
password
text
string
for
the
authentication
phase.
Note:
the
AT+UPSD
read
command
with
<param_tag>
=
3
is
not
allowed
and
the
read all command does not display it
•
4:
DNS1
-
<param_val>
is
the
text
string
of
the
primary
DNS
address.
IPv4
DNS
addresses are specified in dotted decimal notation form (i.e. four numbers in
range 0-255 separated by periods, e.g. "xxx.yyy.zzz.www"). IPv6 DNS addresses
are specified in standard IPv6 notation form (2001:DB8:: address compression is
allowed). The factory-programmed value is "0.0.0.0".
•
5:
DNS2
-
<param_val>
is
the
text
string
of
the
secondary
DNS
address.
IPv4
DNS addresses are specified in dotted decimal notation form (i.e. four numbers
in range 0-255 separated by periods, e.g. "xxx.yyy.zzz.www"). IPv6 DNS addresses
are specified in standard IPv6 notation form (2001:DB8:: address compression is
allowed). The factory-programmed value is "0.0.0.0".
•
6: authentication - the <param_val> parameter selects the authentication type:
o 0 (factory-programmed value): none
o 1: PAP
o 2: CHAP
o 3: automatic selection of authentication type (none/CHAP/PAP)
•
7:
IP
address
-
<param_val>
is
the
text
string
of
the
static
IP
address
given
by
the
ISP in dotted decimal notation form (i.e. four numbers in range 0-255 separated by
periods, e.g. "xxx.yyy.zzz.www"). The factory-programmed value is "0.0.0.0". Note:
IP address set as "0.0.0.0" means dynamic IP address assigned during PDP context
activation
•
8: data
compression - the <param_val> parameter
refers to the default
parameter
named <d_comp> and selects the data compression type:
o 0 (factory-programmed value): off
o 1: predefined, i.e. V.42bis
o 2: V.42bis
•
9:
header
compression
-
the
<param_val>
parameter
refers
to
the
default
parameter named <h_comp> and selects the header compression type:
o 0 (factory-programmed value): off
o 1: predefined, i.e. RFC1144
o 2: RFC1144
o 3: RFC2507
o 4: RFC3095
•
10: QoS precedence - the <param_val> parameter selects the precedence class:
o 0 (factory-programmed value): subscribed
o 1: high
o 2: normal
o 3: low
•
11: QoS delay - the <param_val> parameter selects the delay class:
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