Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
If subparameter is not given, its value equals to its previous value or the recommended
default value.
underline Underlined defined subparameter value is the recommended default setting or factory
setting.
2. Document conventions:
♦ Display the examples of AT commands with Italic format.
♦ Not display blank-line between command line and responses or inside the responses.
♦ Generally, the characters <CR> and <LF> are intentionally omitted throughout this document.
♦ If command response is ERROR, not list the ERROR response inside command syntax.
NOTE: AT commands and responses in figures may be not following above conventions.
3. Special marks for commands or parameters:
SIM PIN – Is the command PIN protected?
YES – AT command can be used only when SIM PIN is READY.
NO
– AT command can be used when SIM card is absent or SIM PIN validation is
pending.
References – Where is the derivation of command?
3GPP TS 27.007
– 3GPP Technical Specification 127 007.
V.25ter
– ITU–T Recommendation V.25ter.
Vendor
– This command is supported by SIMCom.
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