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Cisco Bug: CSCup06804 - No dial tone for external numbers on SPA302 phone

Last Modified

Oct 09, 2014

Products (1)

  • Cisco Small Business Voice Gateways and ATAs

Known Affected Releases


Description (partial)

When active a PSTN call,ring back tone cannot be heard in the SPA302.however,the RTP is good.
This issue does not happen in the Line 1 of SPA232D,which means the analog phone connecting to the SPA232D line 1 works fine.
All the internal calls are good in SPA302.
And this issue happens with CME.When customer use SPA232D to connect the German SIP provider,no issue.
But other SIP phone,SCCP phone and analog phone connecting to SPA232D are fine.

This issue cannot be reproduced in the lab.

when the SPA232D connects to a CME and CME connects to German SIP provider
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