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| AR168M VoIP Module |
The highly integrated and low cost AR168M VoIP module is designed to shorten the development cycle for device which need to do voice communication over IP network.
AR168M module brief, hardware manual, FAQ.
Although we provided a sample design to build an IP phone based on 8051+AR168M, this was not what we recommended to do with it, actually single AR1688 is enough for an IP phone.
For other applications, user need to define and implement the serial protocols actually used,
the communication protocol between 8051 and AR168M in our demo is provided only as a sample.
Here is another IP phone design based on AR168M by Steven when he was an undergraduate student in BUPT.
The controler used in this design is MEGA128L.
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Comparison table of AR1688 VoIP modules:
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| Hardware Type |
Ethernet |
Program Flash |
Support(*) 2x16 LCD |
Support(**) demo UI |
| AR168M |
RTL8019AS |
MT28F016S5 |
No |
Yes |
| AR168MK |
KSZ8842 |
SST39VF1681 |
Yes |
No |
| AR168MS |
RTL8019AS |
SST39VF1681 |
Yes |
No |
| AR168MT |
KSZ8842 |
MT28F016S5 |
No |
Yes |
| AR168L |
RTL8019AS |
MT28F016S5 |
Support ST7565 LCD |
Yes |
(*) Can be changed by LCD_HY1602 define in version.h, but need update special safe mode file from us, because LcdInit function is called in safe mode.
(**) Can be changed by SERIAL_UI or SERIAL_LOOP define in version.h.
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We are sorry that AR168M is currently out of stock. Those hoping to have a quick test on the VoIP module functions can buy AR168R RoIP module to do the test.
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