hi Guys,

Have not heard back on this...


On Thu, Apr 11, 2013 at 9:29 PM, sanity insanity <
networksanitytoinsan...@gmail.com> wrote:

> Hi Guys,
>
>
> I have a MGCP gateway setup when subscriber fail publisher will work
> Call 911 while the call is active shut down the cucm sub services. Make
> sure when
> Complete to bring up the subscriber services so you can continue with the
> tasks on the lab.
> Capture the following
> -- Backup call agent sends the message to the gateway to check the status
>  of the active call
> OR
> -- Backup call agent sends the message to the gateway to check the status
> of the First call
> -- Gateway sends the status of active calls to the secondary call agent.
> -- Back up call agent send a message back to the GW requesting additional
> information
> about the call
>
>
> My configuration snip looks like this :-
>
> ccm-manager switchback immediate
> ccm-manager fallback-mgcp
> ccm-manager redundant-host <ip address of pub>
> ccm-manager mgcp
> ccm-manager config server <ip address of sub> <ip address of pub>
>
>
> here are the events noted from debug mgcp packets :
> ============== ========================================
>
>
> **Event1: Backup call-agent sends the message to gw to check the status of
> active call for port 12
>
> Apr 11 05:26:26.911: MGCP Packet received from <ip address of pub>:2427--->
> AUEP 178 S0/SU1/DS1-0/1...@r1.ccievoice.com MGCP 0.1
> F: X, A, I
> <---
>
>
>
> **Event2:Gateway sends the status message of active calls to the backup
> call-agent for port 12
>
> Note: Nothing mentioned in I: so it refers no call present in this port
>
>
>
> Apr 11 05:26:26.915: MGCP Packet sent to <ip address of sub>:2427--->
> 200 181
> I:
> X: 0
> L: p:10-20, a:PCMU;PCMA;G.nX64, b:64, e:on, es-cci, gc:1, s:on, t:10, r:g,
> nt:IN
> ;ATM;LOCAL, v:T;G;D;L;H;ATM;FXR
> L: p:10-220, a:G.729;G.729a;G.729b, b:8, e:on, es-cci, gc:1, s:on, t:10,
> r:g, nt
>
>
> **Event3: Backup call-agent requesting additional information about the
> active call on port 23
>
> Apr 11 05:28:28.936: MGCP Packet received from <ip address of pub>:2427--->
> AUCX 213 S0/SU1/DS1-0/2...@r1.ccievoice.com MGCP 0.1
> I: 3
> F: C, M
> <---
>
>
> Questions :
> =========================
>
>
> 1) Are the above events I have elaborated correct?  Please correct me If I
> am wrong.
>
>
> 2) I tried to  test call preservation  on this setup . On an active call
> when I break  the connection between MGCP gateway and subsriber, the
> gateway then registers
> with the publisher . However instead of the call staying up ...I see the
> ip phone showing "Temp fail" and the call to pstn drops . Why?
>
>
>
> Thanks & Regards,
> MJ
>
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

Are you a CCNP or CCIE and looking for a job? Check out 
www.PlatinumPlacement.com

Reply via email to