[cisco-voip] sccp registration if IOS router left at sccp keyword version 4.1

[Jason Aarons (US)]

What happens if a router is left running with keyword version 4.1 but you upgrade Callmanager to 7.1(3b)SU2 ? I can't seem to tell a problem, it looks like conf and transcoder stay registered, but surely there must be a reason the keyword got updated, etc.

Older verion IOS 2811
sccp
sccp local fastethernet0/0
sccp ccm 10.10.55.133 priority 1 version 4.1
sccp ccm 10.10.55.132 priority 2 version 4.1


Once you upgrade to 12.4.15 or higher you get keyword 7.0+
sccp
sccp local fastethernet0/0
sccp ccm 10.10.55.133 priority 1 version 7.0+
sccp ccm 10.10.55.132 priority 2 version 7.0+



RouterTestIOS15-01(config)#sccp ccm 10.10.55.133 priority 1 version ?
  3.0    Select CCM 3.0 version or above
  3.1    Select CCM 3.1 version or above
  3.2    Select CCM 3.2 version or above
  3.3    Select CCM 3.3 version or above
  4.0    Select CCM 4.0 version or above
  4.1    Select CCM 4.1 version or above
  5.0.1  Select CCM 5.0.1 version or above
  6.0    Select CCM 6.0 version or above
  7.0+   Select CCM 7.0 version or above





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