Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 113 / 231
8.4. AT+CPBS Select Phonebook Memory Storage
The command selects phonebook memory storage, which is used by other phonebook commands. The
Read Command returns currently selected memory, the number of used locations and the total number of
locations in the memory when supported by manufacturer. The Test Command returns supported
storages as compound value.
Parameter
AT+CPBS Select Phonebook Memory Storage
Test Command
AT+CPBS=?
Response
+CPBS: (list of supported <storage>s)
OK
ERROR
If there is any error related to ME functionality:
+CME ERROR: <err>
Read Command
AT+CPBS?
Response
+CPBS: <storage>,<used>,<total>
OK
ERROR
If there is any error related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CPBS=<storage>
Response
OK
ERROR
If there is any error related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP 27.007
<storage> “SM” (U)SIM phonebook
“DC” ME dialed calls list (AT+CPBW may not be applicable to this storage)
“FD” (U)SIM fix dialing-phone book (AT+CPBW operation need the authority of PIN2)
“LD” (U)SIM last-dialing-phone book (AT+CPBW may not be applicable to this storage)
“MC” ME missed (unanswered) calls list (AT+CPBW may not be applicable to this
storage)

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC