• Check the accounts setting [working fine]
• try to replace the account
and it was fine
• collect the logs from the phones and U1910 analysis it
found the problem
Root Cause
The
Old Phone was sending RTP/SAVP , which not supported by default on the new
series eSpace 7910
Solution
enable the RTP/SRTP on the new phone , from web interface of the
phone
Suggestions
Enable this option by default on the setting of the new series,
may be on the software release
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