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Community Member

How to disable(or shutdown) the echo canceller daughter card (EC-MFT-64) ?

Hello all,

Could the echo canceller daughter card (EC-MFT-64) be disabled (shutdown) by any IOS command?
The  daughter card is seated  in 2-Port RJ-48 Multiflex Trunk - T1/E1 card.

The purpose of doing that is to apply the workaound of bug CSCtg92548.  The workaound is to remove the daughter card from
voice gateway. I am thinking the better way..... 

More info. about the echo canceller daughter card, please see:
http://www.cisco.com/en/US/partner/prod/collateral/modules/ps3115/product_data_sheet0900aecd8028cf5d.html

WIC Slot 1:
        VWIC2-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1
        Hardware Revision        : 0.0
.....(output omitted)
        EM Slot 0:
        H/W Echo Canceller (64 Channel)
        Hardware Revision        : 0.0
.....(output omitted)  
        Product (FRU) Number     : EC-MFT-64

Thanks in advance

3 REPLIES
Hall of Fame Super Gold

Re: How to disable(or shutdown) the echo canceller daughter car

If there was a software workaround, cisco would have indicated that.

Your best course of action is to contact the TAC to find exactly how this bug affects you, and define the next course of action.

Community Member

Re: How to disable(or shutdown) the echo canceller daughter car

thanks for your reply.

I don't see any software workaround from the bug (CSCtg92548)details.     I am just wondering if  I could manually disable the daughter card instead of removing it from the box.....

thanks again.

Community Member

Re: How to disable(or shutdown) the echo canceller daughter car

looks I got the answer:

router(config-voiceport)# echo-cancel enable  type software


http://www.cisco.com/en/US/docs/ios/12_3/vvf_c/voice_port_configuration_guide/ch6_hwec.html

Once test it I will share with you folks...

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