Guest

Preview Tool

Cisco Bug: CSCuq03746 - G.729 Codec on 8831 phone has high Rcvr Lost Packets and High Jitter

Last Modified

Feb 15, 2018

Products (35)

  • Cisco Unified IP Phone 6900 Series
  • Cisco Unified IP Phone Expansion Module 7914
  • Cisco Unified IP Phone 7962G
  • Cisco Unified Wireless IP Phone 7920
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7911G
  • Cisco Unified IP Phone 6941
  • Cisco Unified IP Phone 6961
View all products in Bug Search Tool Login Required

Known Affected Releases

9.3(3)

Description (partial)

Symptom:
8831 Phone drop packet is about 10% while using the Codec G729 which is causing voice quaility issue. If we use G711 instead of G729 the packet drop is about 1% to 4%.

Conditions:
8831, firmware : sip8831.9-3-3-5 and CUCM version : 8.5.1.15900-4 and 8.5.1.14900-5
Codec : g729
Internal Calls between two ip phones
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.