[asterisk-bugs] [JIRA] (ASTERISK-30307) Local Channel Not Optimizing

[Đặng Lợi (JIRA)]

Đặng Lợi created ASTERISK-30307:
-----------------------------------

             Summary: Local Channel Not Optimizing
                 Key: ASTERISK-30307
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-30307
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: pjproject/pjsip
    Affects Versions: 18.7.1
         Environment: Amazon Linux 2 Centos7
            Reporter: Đặng Lợi
         Attachments: no_optimization.txt, optimized.txt

Hi asterisk folks, I'm using following scenarios to establish a 2 parties call
1. Caller channel held by ControlPlayback()
2. Outgoing spool file created to connect to the callee channel with Local ;2 channel, and when callee answers, do the bridge() to the held caller channel with Local ;1 channel.

Things work as expected, except sometimes the Local channels created for processing the callee were not optimizing.

I can reproduce the issue, and attached the debug log for both (optimized and not optimizing) cases.

Try diving into the log myself but the only difference I can point out is the presence of merging of 2 bridges into 1 when the optimization happens, otherwise, 2 bridges exist until the end of call, so as the Local channels.

I'm aware that there are usages that prevent Local channel optimization listed on the wiki and likely that I do not fall into it.

So any enlightenment on what i was doing wrong would be appreciated.

Regards,
Loi Dang

--- FAILED  -  Nov  9 07:07:45
bridge1: 4af0a403-5498-4541-b6f9-cb85951927a3
- Local/bd3b52eb-1398-451b-9fb7-7fc3630493b1 at api_ivr_leg1-000000ea;2
- PJSIP/kamailio-000000ae (callee channel)

bridge2: e8f6bad8-f952-4e77-97ad-4053441a0204
- Local/bd3b52eb-1398-451b-9fb7-7fc3630493b1 at api_ivr_leg1-000000ea;1
- PJSIP/tssbc1_vendor-000000ad (caller channel)


--- WORKING  -  Nov  9 09:50:00
bridge1: b41ecfa7-31ce-4245-8d09-f5cdfbe01c93
- Local/b6dcafa4-1587-4514-8eca-11d984752ac9 at api_ivr_leg1-00000018;2
- PJSIP/kamailio-00000143 (callee channel)

bridge2: 71519064-208b-486e-b8cc-b825af89560e
- Local/b6dcafa4-1587-4514-8eca-11d984752ac9 at api_ivr_leg1-00000018;1
- PJSIP/tssbc1_vendor-00000142 (caller channel)




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