User's Manual

62
www.lairdtech.com
Laird Technologies
BTM510/511
Bluetooth
®
Multimedia Module
7.1.5 Answer Incoming Call from HF (#4_4.13)
AT+HFCA
Answer an incoming call. “ATA” will be sent to the AG. In return, the audio gateway shall
update its “+CIEV” indicators (“call=1” and “callsetup=0”) and send appropriate messages to
the HF. Upon receipt of a “+CIEV” message, HF will notify its host by a “HFI<indicator>,<value>”
message. Please refer to section 7.1.15 on page 64.
7.1.6 Reject Incoming Call from HF/Terminate Call from HF (#5_4.14;#6_4.15)
AT+HFCH
Reject incoming call/terminate ongoing call. “AT+CHUP” will be sent to the AG. In return,
the audio gateway shall update its indicator “call”=0 and send the appropriate “+CIEV”
message to the HF. HF will notify its host by a “HFI<indicator>,<value>” message. Please
refer to section 7.1.15 on page 64.
7.1.7 Place Call with Number Provided by HF (#8_4.18)
AT+HFC”nnn”
Initiate a new call from HF to the number specied by the number string “nnn”.
This command will send “ATDnnn” to the audio gateway.
7.1.8 Memory Dialing from the HF (#9_4.19)
AT+HFCM”mmm”
Initiate a new call from HF to the number stored in memory location “mmm” of the AG.
This command will send “ATD>mmm” to the audio gateway.
7.1.9 Re-Dial Last Number from HF (#10_4.20)
AT+HFCL
Initiate a new call from HF to the number last dialled by AG. “AT+BLDN” will be sent to the
AG. In return, the audio gateway shall update its indicator “callsetup”=2 and send the
appropriate “+CIEV” message to the HF. HF will notify its host by a “HFI<indicator>,<value>”
message. Please refer to section 7.1.15 on page 64.
  7.1.10EnableCallerLineIdenticationPresentation–CLIP(#13_4.23)
The CLIP feature is enabled by setting Bit 2 (value=4) in the HF supported features S
register 581. Subsequent AT&W and ATZ is required to take effect. If this bit is set at boot
time, the following actions are carried out automatically:
1. The according ag is set in the HF service record.
2. The according ag is set in the BRSF-message on Service Level Connection establishment
3. The SLC message “AT+CLIP=1” is sent automatically once the SLC is established
Response to action no. 3 will be indicated by either HF”CLIP,OK” or HF”CLIP,ERROR” after
the “CONNECT…” message.
 7.1.11EnableCallWaitingNotication–CCWA(#11_4.21)
The CCWA feature is enabled by setting Bit 1 (value=2) in the HF supported features S
register 581. Subsequent AT&W and ATZ is required to take effect. If this bit is set at boot
time, the following actions are carried out automatically:
1. The according ag is set in the HF service record.
2. The according ag is set in the BRSF-message on Service Level Connection establishment
3. The SLC message “AT+CCWA=1” is sent automatically once the SLC is established
Response to action no. 3 will be indicated by either HF”CCWA,OK” or HF”CCWA,ERROR”
after the “CONNECT…” message.
AT COMMAND SET
REFERENCE