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Community Member

Call Manager fallback

Hi boys

I have a Call Manager 4.2 installed in my server, at my site remote i have Cisco SRST for redundance. Before my link MPLS is down and up any ip phones is registred from SRST Router and dont registred iny my Call Manager server. How i can to do for resolution this case?

Thank you

6 REPLIES
Community Member

Re: Call Manager fallback

Hi,

Can u paste configuration from your SRST gateway.

Regards,

Iftikhar Ahmed

Community Member

Re: Call Manager fallback

Below the configuration the SRST gateway:

call-manager-fallback

secondary-dialtone 0

max-conferences 4 gain -6

transfer-system full-consult

limit-dn 7940 1

limit-dn 7960 1

ip source-address 10.149.192.1 port 2000

max-ephones 40

max-dn 40

system message primary Operando em Fallback

system message secondary Operando em Fallback

transfer-pattern .....

default-destination 4400

time-format 24

date-format dd-mm-yy

Thank you

Community Member

Re: Call Manager fallback

Hi,

I think configuring "keepalive" will solve your issue.

Try it.

Regards,

Iftikhar Ahmed

Hall of Fame Super Silver

Re: Call Manager fallback

By default the phone will wait 120 seconds before attempting to re-registed with CM, how long did you wait? This timer is controled by the device pool the phone is assigned to.

Chris

Community Member

Re: Call Manager fallback

Hi

I configured now the keepalive for 1000 seconds, but the phone dont registrated at Call Manager 4.2 only no fallback.

Community Member

Re: Call Manager fallback

Hi

I enable the logging and receive the log:

CM-aborted-TCP

*Nov 15 08:45:39: ephone-15[46][SEP000F24AAA3F2]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-15[46]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-20[16][SEP0015638ACA48]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-20[16]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-21[13][SEP0013C44A6B2F]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-21[13]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-22[23][SEP000F23C48DD9]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-22[23]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-23[45][SEP000F23C48789]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-23[45]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-24[47][SEP00115C98BC2E]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-24[47]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-25[12][SEP000F24AAA4A8]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-25[12]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-26[43][SEP0013C44969C9]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-26[43]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-27[38][SEP000F23C48859]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-27[38]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:45:39: ephone-29[22][SEP0015C617CFAB]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:45:39: ephone-29[22]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:46:09: ephone-3[54][SEP000E3892DFFD]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:46:09: ephone-3[54]:SkinnyCheckPendingCallBackPhone scan 2 lines

*Nov 15 08:46:09: ephone-9[4][SEP000F23AD7C3A]:CallPrompt line 0 ref 0: Operando em Fallback

*Nov 15 08:46:09: ephone-9[4]:SkinnyCheckPendingCallBackPhone scan 2 lines

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