Guest

Preview Tool

Cisco Bug: CSCvv29467 - Microsoft Teams - Direct Routing SBC Test with Media Bypass ON-CUBE- No ringback in blindtransfer

Last Modified

Oct 12, 2020

Products (1)

  • Cisco 2600 Series Multiservice Platforms

Known Affected Releases

17.2.1

Description (partial)

Symptom:
This problem occurs only in this particular call-flow where a MS TEAMS user places a call to PSTN1, and  MS TEAMS user perform an blind transfer to PSTN2.  The result is that no ringback is heard on the PSTN1 phone.

Conditions:
Topology:
MS TEAMS user == SIP == CUBE ===SIP=== PSTN1/2
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.