SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09

13Packet switched data services
Page 122 of 307
Type Syntax Response Example
OK
13.3.3î™–î™–î™–î™–Defined values
Parameter Type Description
<cid> Number See <cid>
<PDP_type> String See <PDP_type>
<APN> String See <APN>
<PDP_addr> Number See <PDP_addr>
<d_comp> Number PDP data compression; it can have the values:
• 0 (default value): off
• 1: on (predefined compression type i.e. V.42bis data compression)
• 2: V.42bis data compression
<h_comp> Number PDP header compression; it can have the values:
• 0 (default value): off
• 1: on (predefined compression type, i.e. RFC1144)
• 2: RFC1144
• 3: RFC2507
• 4: RFC3095
<h_comp>: the available head-compressions are dependent on configuration of
the stack (configured via features in the stack)
<IPv4AddrAlloc> Number Controls how the MT/TA requests to get the IPv4 address information:
• 0 (default value): IPv4 Address Allocation through NAS Signalling
• 1: IPv4 Address Allocated through DHCP
<emergency_
indication>
Number Indicates whether the PDP context is for emergency bearer services or not:
• 0 (default value): PDP context is not for emergency bearer services
• 1: PDP context is for emergency bearer services
<P-CSCF_discovery> Number Influences how the MT/TA requests to get the P-CSCF address, see 3GPP TS 24.229
[103] annex B and annex L:
• 0 (default value): preference of P-CSCF address discovery not influenced by
+CGDCONT
• 1: preference of P-CSCF address discovery through NAS Signalling
• 2: preference of P-CSCF address discovery through DHCP
<IM_CN_Signalling_
Flag_Ind>
Number Shows whether the PDP context is for IM CN subsystem-related signalling only or not:
• 0: PDP context is not for IM CN subsystem-related signalling only
• 1: PDP context is for IM CN subsystem-related signalling only
<NSLPI> Number Indicates the NAS signalling priority requested for the corresponding PDP context:
• 0 (default value): indicates that the PDP context has to be activated with the value
for the low priority indicator configured in the MT.
• 1: indicates that the PDP context has to be activated with the value for the low
priority indicator set to "MS is not configured for NAS signalling low priority".
The MT utilises the NSLPI information provided as specified in 3GPP TS 24.301 [88]
and 3GPP TS 24.008 [12].
13.3.4î™–î™–î™–î™–Notes
Additional examples:
Command Response Description
Configure the error result code
format by means of the +CMEE
AT command
AT+CGDCONT=? +CGDCONT: (1-3),"IP",,,(0),(0-1)
OK
Test command
AT+CGDCONT=4,"IP","internet" +CME ERROR: operation not allowed Define out of range PDP contexts
AT+CGDCONT=2,"IP","internet" OK Define allowed PDP contexts
AT+CGDCONT=1,"IP","STATREAL" OK Define allowed PDP contexts
AT+CGDCONT=3,"IP","PAP: tim.ibox.it" OK Define allowed PDP contexts
AT+CGDCONT=253,"IP","internet" +CME ERROR: operation not allowed Define out of range PDP contexts
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