[asterisk-bugs] [JIRA] (ASTERISK-22515) app_stasis missing silence generator

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-22515:
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             Summary: app_stasis missing silence generator
                 Key: ASTERISK-22515
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22515
             Project: Asterisk
          Issue Type: Bug
          Components: Core/Stasis
    Affects Versions: 12.0.0-alpha1
            Reporter: David M. Lee


h2. Steps to reproduce

# Configure with ARI
# Configure a bit of dialplan to answer a channel and send to Stasis()
{code}
exten => 7000,1,Noop()
 same => n,Answer()
 same => n,Stasis(hello)
 same => n,Hangup()
{code}
# Connect ARI application 'hello'
{code}
wscat -c 'ws://localhost:8088/ari/events?api_key=ari:ari&app=hello'
{code}
# Dial extension 7000

h2. Expected Results

Call should happily sit there indefinitely.

h2. Actual Results

With some clients (Blink in my case) after about 30 seconds the call with end with an 'Audio Timeout'.

h2. Notes

Since silence generation is not necessarily a cheap operation (signed linear silence transcode is usually required), it should be configurable for the typical case where silence generation isn't actually needed (because there will only be brief silence; the application will play its own audio).

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