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Cisco Bug: CSCtb59075 - SIPStationInit rejects calls with 503 cause code, hence BB calls fail.

Last Modified

Nov 03, 2012

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

Blackberry SIP device cannot make a call, even though it is successfully registered to  CUCM.

This is a rare occurance and may happen when the MVS (Blackberry proxy) is reset.
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