Appendix; Reference; Profile - SimTech SIM800 Series Application Notes

Appendix

A. Reference
ID Document
[1] SIM800 Series AT Command Manual
B. Profile

Profile

Introduction
SPP Abbreviation of Serial Port Profile,to implement BT serial port function.Moduel
an transimit data to connected BT device throuth AT+BTSPPSEND after
successfully applying this profile.The module will receive data report
+BTSPPDATA in automatic mode,and +BTSPPMAN in mamual mode.
OPP Abbreviation of OPP Object Push Profile,to implement pushing BT object.This
unction is used between the two paired BT devices,AT+BTOPPPUSH to push
file, AT+OPPACPT to receive the pushed file.
HFP/HSP Abbreviation of Handsfree Profile/Headset Profile, i.e. BT earphone function.
HFP is the enhanced version of HSP,so even if the other BT device just supports
HSP,SIM800H still can connect the BT device with HFP.Module's call voice
would be displayed from BT earphone after this profile being connected.When
the module play a role as smart phone,BT earphone could control the call
operation(e.g.hang up,answer,redial) .
A2DP Abbreviation of Advanced Audio Distribution Profile,which is advanced
rotocol for audio frequency distribution.Earphone will activate AVRCP
connection after the profile being connected.It is mainly used to for BT earphone
to transmit Hi-Q audio frequency.If be suffixed with source,it means this device
is audio frequency source,i.e. paly a role as smartphone.
AVRCP Abbreviation of Audio Video Remote Control Profile,is AV remote control
protocol.This profile depends on A2DP and only could be connected after the
A2DP connection is established.It is mainly used for BT earphone to control the
edia function of smartphone.If be suffixed with target,it means this device is
controlling target,i.e.paly a role as smart phone.
HFP(AG) This profile is HFP,i.e. paly a role as BT earphone.After the module connected
with smartphone,the call voice of smartphone could be displayed by the
module's audil channel.Also the call operation of smartphone can be controlled
by those commands such as AT+BTATD，AT+BTATH，AT+BTATA.
HFG This profile is HFP,but plays a role as smartphone at this moment.After the
SIM800 Series_Bluetooth_Application_V1.02
Smart Machine Smart Decision
Remark
46 2014-06-30