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Cisco Bug: CSCuo17124 - default G711 ptime on asr1K sp is 10 milliseconds

Last Modified

Nov 27, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

Audio quality maybe experienced when an asr is running in service provider mode.

When a 200 ok is received without "ptime" the asr1k in service provider mode assumes ptime 10.
which is correct per rfc 3551
4.5 Audio Encodings

   name of                              sampling              default
   encoding  sample/frame  bits/sample      rate  ms/frame  ms/packet
   PCMU      sample        8                var.                   20
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