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× Questions about A810/1610/2410 Advanced Analog Interface Card

openvox_dahdi-linux-complete- is available

9 years 2 months ago #7577 by Joe.Yung
Hi users,
openvox_dahdi-linux-complete- is now available.Please download it from here , Regarding to this version, we would like to let you know that driver need to be patched if using it with hardware echo cancellation(AE810/AE1610/AE2410, DE130/DE230/DE430, BE200/BE400).

Please follow the steps below to enable the hardware echo cancellation.

1.Download the package from our website and compile it.

2.Then,please go forward directory /etc/dahdi, you will be able to find genconf_parameters, please open it with your editor and add one line echo_can hwec after line 89 to enable the built-in hardware echo module.

3.After finishing compilation, and start loading the driver. For example, A810/A1610/A2410. modprobe dahdi -->modprobe opvxa24xx->dahdi_genconf.

4. Once you finish the step 3, perform command dahdi_cfg -vvv, and you will be able to see some information like this:

[[email protected] dahdi-linux-complete-]# dahdi_cfg -vvvv
DAHDI Tools Version -

DAHDI Version:
Echo Canceller(s): HWEC

SPAN 1: CCS/HDB3 Build-out: 0 db (CSU)/0-133 feet (DSX-1)
SPAN 2: CCS/HDB3 Build-out: 0 db (CSU)/0-133 feet (DSX-1)

Channel map:

Channel 01: Clear channel (Default) (Echo Canceler: hwec) (Slaves: 01)
Channel 02: Clear channel (Default) (Echo Canceler: hwec) (Slaves: 02)
Channel 03: Clear channel (Default) (Echo Canceler: hwec) (Slaves: 03)

5. The echo module is correctly loading if you can get the info above.

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