Guest

Preview Tool

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

15.4(1)S

Description (partial)

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

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

https://www.ietf.org/rfc/rfc3551.txt
4.5 Audio Encodings

   name of                              sampling              default
   encoding  sample/frame  bits/sample      rate  ms/frame  ms/packet
   PCMU      sample        8                var.                   20
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.