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SARA-R4 series-AT commands manual
UBX-17003787 - R16
13Packet switched data services
Page 135 of 401
13.5.3Defined 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 (default 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 default value is an empty string.
• 2: username - <param_val> is the user name text string for the authentication
phase. The default 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 default 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 default value is "0.0.0.0".
• 6: authentication - the <param_val> parameter selects the authentication type:
o 0 (default 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 default 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 (default 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 (default 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 (default value): subscribed
o 1: high
o 2: normal
o 3: low
• 11: QoS delay - the <param_val> parameter selects the delay class:
o 0 (default value): subscribed
o 1: class 1
o 2: class 2
o 3: class 3
o 4: best effort
• 12: QoS reliability - the <param_val> parameter selects the reliability class:
o 0 (default value): subscribed
o 1: class 1 (Interpreted as class 2)