User guide

2.2.40 AT+BTM? {Read Incoming Peer Address}
This command is used to display the peer address stored in non-volatile memory, used to
put the module in pure cable replacement mode.
Response: <cr,lf>12346789012
<cr,lf>OK<cr,lf>
If the location is empty the response is as follows.
Response: <cr,lf>00000000000
<cr,lf>OK<cr,lf>
2.2.41 AT+BTN=<string> {Set Friendly Name in Non-volatile Memory}
This sets the default friendly name of this device as seen by other devices. It will be stored
in non-volatile memory. Use AT+BTF to make the name visible to other devices. Use
AT+BTN? To read it back. An empty string (“”) will delete the string from non-volatile
memory which will force the default name to be used.
Response: <cr,lf>OK<cr,lf>
2.2.42 AT+BTN? {Read Friendly Name from Non-volatile Memory}
Read the default friendly name from non-volatile memory.
Response: <cr,lf>"My FriendlyName"<cr,lf>
<cr,lf>OK<cr,lf>
2.2.43 AT+BTO<devclass> {Open and make Unit Detectable}
After power up and ATZ, this command is sent so that RFCOMM is initialised and opened
and the service name as specified in AT+BTN is exposed via the SDP registry.
The <devclass> value specifies an optional fixed length hexadecimal device class code. If
it is not specified, then the device class code is taken from S Register 515.
For this command to be effective, S Register 512 must be set to 0.
Response: <cr,lf>OK<cr,lf>
2.2.44 AT+BTP<bd_addr> {Enable Cautious Page/Inquiry Scanning}
Enable page scanning and wait for a connection from device with Bluetooth address
<bd_addr>. If the specified address is 000000000000 then incoming connections are
accepted from any device, is as per AT+BTP without an address. Inquiry scanning is also
enabled.
This command also has variants which allow authentication and encryption to be explicitly
specified. For example:-
AT+BTPU123456789012
AT+BTPY123456789012
AT+BTPUY123456789012
AT+BTPYU123456789012
Response: <cr,lf>OK<cr,lf>
2.2.45 AT+BTP {Enable Promiscuous Page/Inquiry Scanning}
Enable page scanning and wait for a connection from any device. Inquiry scanning is also
enabled. Authentication and Encryption is as per S registers 502 and 503.
Response: <cr,lf>OK<cr,lf>
2.2.46 AT+BTPU {Enable Promiscuous Page/Inquiry Scanning}
Enable page scanning and wait for a connection from any device. Inquiry scanning is also
enabled. Authentication is enabled and encryption is disabled.
DSH_50003_v1v3 AT Command Reference 22 of 33