Hi All.
Call recording enabled on 2x queues
Inbound call to Queue A after 20 seconds blind transfers to Queue B
Listening back to the call recording there is static noise replacing the discussion with the agent/customer
Is this a known issue in Asterisk?
You haven’t stated what version of Asterisk, and there’s minimal information. What does “blind transfers to Queue B” mean? Did it get picked up and an agent blind transferred?
Asterisk is an open source project, so issues are public:
Anyone can do a search and see.
On Tuesday 29 July 2025 at 18:22:29, Patmanasterisk via Asterisk Community
wrote:
Hi All.
Call recording enabled on 2x queues
Inbound call to Queue A after 20 seconds blind transfers to Queue B
Listening back to the call recording there is static noise replacing the
discussion with the agent/customer
Which discussion? Caller talking to Agent A, or caller talking to Agent B?
You say it’s a blind transfer, so there’s no talking between Agents A & B.
Show us all the SDP packets during this call.
My guess is that A and B are using different codecs, and the transcoding is
interfering with the recording.
Antony.
–
“Remember: the S in IoT stands for Security.”
Apologies for the lack of information
Asterisk version: 18.15.0
In the call recording you hear the static noise after the blind transfer
1st Part of call
Caller enters Queue A
Caller speaks to Agent John
After 20 seconds John blind transfers Call to Queue B
2nd Part of call
Caller enters Queue B
Agent Jane takes the call
Ends call after period of time
Listening back to the call recording
Part 1 of the call is perfect
Part 2 majority is static noise as outlined by the follow audio file link
The static noise replaces majority of the audio between the agent and customer
The important thing here is if the first part (before the transfer) is under 20 seconds the audio on the call recording of the 2nd part of the call is perfect
What I mean by this is if the call is like the below, the call recording is perfect
1st Part of call
Caller enters Queue A
Caller speaks to Agent John
At 10 seconds John blind transfers Call to Queue B
2nd Part of call
Caller enters Queue B
Agent Jane takes the call
Ends call after period of time
No issue with static on call recording
What is the output of “core show version”?
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