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4.3.4 Find phonebook entries
We can use AT command AT+CPBF when we want to find the entry according to the text.
Performing AT+CPBF=? will return the max length of phone number and the max length of text. Such as
+CPBF:[<nlength>],[<tlength>].
When we want to find a entry, we can give the text of the phone number ,and according to the text, we use
AT+CPBF=<findtext> to find the number we want.
4.4 AUDIO
Audio functions are only available in the U9507E module.
4.4.1 Originate Call
ATD<str>[;] Mobile originate call to dial a number.
<str>:
string of dialing digits, dialing digits:0
~
9
<;>
only required to set up voice call , return to command state.
The Max length of dialing digits is 20; The prefix ”+” is not counted to the length of dialing digits.
4.4.2 Answer a incoming call
ATA using the command can answer a incoming call.
ATA responds coming call by RING. It will display the calling phone number if CLIP (Calling Line Identity Indication
Presentation) function is set. ATA will return NO CARRIER for responding hang up after connection.
4.4.3 Disconnect call
AT+CHUP using the command can disconnect a connection.
5. Safety information
1. Don't let the product work at extreme low or high temperature -10
℃
~55
℃
2. Don’t use more than 4.2 V external power supply.
3. RF exposure hazard warning
This device generates and radiates radio-frequency energy.In order to comply with radio-frequency exposure
guidelines for an uncontrolled environment.
This equipment must be installed and operated while maintaining a minimum body to antenna distance of
20cm.The using antenna should not exceed 2dBi
Summary of Contents for U9507E
Page 1: ...U9507E User Manual ...