[cisco-voip] 7962 SCCP 9.0.3S Rings Once, caller hears fast busy, usually once a day in AM

Jason Aarons (AM) jason.aarons at dimensiondata.com
Tue Sep 6 13:20:24 EDT 2011


CallManager 8.0.3a
SIP/PRI IOS Software MTP -15.1.3T
7962  SCCP 9.0.3S

Small number of users are complaining that about once a day (usually first call of day) that on incoming calls their phone rings once, they pickup handset and don't hear caller (dialtone).  The pstn caller dialing the 7962 says he hears fast busy after ringback.  Problem stops after first call of the day. If 7962 user makes outgoing call first call of day they don't have any issues with first incoming call of day.  I have verified all calls are using the IOS Software MTP and QRT  Viewer also confirms.

PSTN-PRI ------3945/SIP IOS Software MTP 151-3.T.bin--------SIP---------CallManager 8.0(3a)---------7962SCCP 9.0.3S

I'm working on gathering ccmtraces via RTMT QRT Viewer.  I found a QRT Report reported by a user last week but the corresponding ccmtrace files had been overwritten (I was on holiday).

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