Preview Tool

Cisco Bug: CSCut25250 - Phones stops sending SCCP messages to the CUCM

Last Modified

Feb 12, 2018

Products (1)

  • Cisco Unified IP Phone 7900 Series

Known Affected Releases

1.4(5.3) 1.4(6.3)

Description (partial)

-No web access
-choppy voice
-one way audio
-Phone unregistered on call manager.

Phone screen show logs like:
TFTP Not Authorized: x.x.x.x
TFTP Not Authorized: x.x.x.y
DHCP Timeout 

*Phone is pingable

Unknown, problem happened with
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.