Problems with Hardware Conferences Bridges

Unanswered Question
May 13th, 2010
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Hi friends,

I have this doubt, when I reset a Cisco IOS Enhanced Conference Bridge by using the reset button in Conference Bridge configuration from my Call Manager 5.1.3. always I get an error in my voice gateway like this:

#sh sccp

Conferencing Oper State: DOWN_IN_PROGRESS - Cause Code: CCM_RESET_CMD
Active Call Manager: xxxx, Port Number: 2000
TCP Link Status: DISCONNECTING, Profile Identifier: 10

And this state remains indefinitely with no option until the gateway is resetted.

What I´m doing bad? Can I recover the conference bridge sccp state with no reset the voice gateway?

The gateway has MGCP conf but I´ve seen the same with H323.

Many thanks in advance to everyone.



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Brandon Buffin Thu, 05/13/2010 - 08:30
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     Have you tried "no sccp", "sccp"? Possibly an IOS bug?


j.rodriguez.hormigos Thu, 05/13/2010 - 09:01
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Many thanks Brandon for your quick response.

I´ve thought on that but in this way I also disconnect MTP and XCoding.

I´m facing this problem with the release c3825-advipservicesk9-mz.124-20.T2.bin but I saw the similar problem with the same Cisco IOS for another Cisco Routers models.

If you know this IOS bug please let me know.

Many thanks.


malopeza1979 Mon, 05/24/2010 - 19:15
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Hi there,

I got the same issue here with a 2801 running "c2801-advipservicesk9-mz.124-24.T1.bin" :


#show sccp

SCCP Admin State: DOWN
Gateway Local Interface: FastEthernet0/0.40
        IPv4 Address:
        Port Number: 2000
IP Precedence: 5
User Masked Codec list: None
Call Manager:, Port Number: 2000
                Priority: N/A, Version: 7.0, Identifier: 1
                Trustpoint: N/A

Conferencing Oper State: DOWN_IN_PROGRESS - Cause Code: KEEPALIVE_FAILED
Active Call Manager: NONE
TCP Link Status: DISCONNECTING, Profile Identifier: 1

did you find the bug mentioned?

Thanks in advance for sharing your info with me man.


Roberto Bibian

j.rodriguez.hormigos Tue, 05/25/2010 - 01:10
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Hi Roberto,

Unfortunately I´ve not found a related bug.

I´m pretty sure the matter is related to the IOS version. I had to reload the gateway because the state (in mi case) never return to Connected.

If you find the solution please let me know.

Really appreciated.



malopeza1979 Tue, 06/01/2010 - 12:55
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Hi Pablo,

Thanks for the reply. I had to reload the GW as well to re-register the HW CFB since it got stuck forever.

I'll certainly keep you posted if I find either a solution or at least an unresolved bug.




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