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 >
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