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Cisco Bug: CSCtb79638 - 7937 phones goes into SRST mode before defaulting to TFTP server

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Unified IP Phone 6900 Series

Known Affected Releases


Description (partial)


7937s alone will go into SRST mode while other IP phones will stay registered to Call Manager. 

Hostnames have been configured for Call Manager servers. 
IP phones cannot resolve the hostnames for whatever reason like DNS failure or misconfiguration. 
the TFTP server option is configured as IP address. 
SRST is enabled on the 7937s
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