SimCom SIM7500 Series At Command Manual page 201

by use of the +CGDCONT command. The parameter is local to the TE-MT interface. The list of
permitted values is returned by the test form of the command.
<PDP_type>
(Packet Data Protocol type) a string parameter which specifies the type of packet data protocol.
IP Internet Protocol
PPP Point to Point Protocol
IPV6 Internet Protocol Version 6
IPV4V6 Dual PDN Stack
<d_comp>
a numeric parameter that controls PDP data compression (applicable for SNDCPonly) (refer
3GPP TS 44.065 [61])
0 off
1 on (manufacturer preferred compression)
2 V.42bis
Other values are reserved.
<h_comp>
a numeric parameter that controls PDP header compression (refer 3GPP TS 44.065 [61] and
3GPP TS 25.323 [62])
0 off
1 on (manufacturer preferred compression)
2 RFC1144 (applicable for SNDCP only)
3 RFC2507
4 RFC3095 (applicable for PDCP only)
Other values are reserved.
Examples
AT+CGDSCONT?
+CGDSCONT: 2,1,0,0
OK
AT+CGDSCONT=2,1
OK
AT+CGDSCONT=?
+CGDSCONT: (1-24,100-179),(4,5,6),"IP",(0-2),(0-4)
+CGDSCONT: (1-24,100-179),(4,5,6),"PPP",(0-2),(0-4)
+CGDSCONT: (1-24,100-179),(4,5,6),"IPV6",(0-2),(0-4)
+CGDSCONT: (1-24,100-179),(4,5,6),"IPV4V6",(0-2),(0-4)
OK
SIM7500_SIM7600 Series_AT Command Manual_V1.07
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200 2017-12-25