*CLI>     -- Called test-voip/sip:200031616818985@80.252.95.172
    -- PJSIP/test-voip-00000010 is making progress
       > 0x55b5318c7fd0 -- Strict RTP learning after remote address set to: 10.132.15.220:37496
    -- PJSIP/test-voip-00000010 is making progress
       > 0x55b5318c7fd0 -- Strict RTP switching to RTP target address 10.132.15.220:37496 as source
    -- PJSIP/test-voip-00000010 is making progress
    -- PJSIP/test-voip-00000010 is making progress
    -- PJSIP/test-voip-00000010 is ringing
    -- PJSIP/test-voip-00000010 is ringing
       > 0x55b5318c7fd0 -- Strict RTP learning complete - Locking on source address 10.132.15.220:37496
    -- PJSIP/test-voip-00000010 answered
       > Launching Stasis(test_voip,test_DIALED=1) on PJSIP/test-voip-00000010
    -- <PJSIP/test-voip-00000010> Playing 'https://pocket-staging.messagebird.io/1/tts/f60a542334f68a0f33e2cb979b2990372772c2fc66b51ecb48e6ef33e38af9b4ec674e5d59b610960d92de0d966446cf1017e021edae559caff418af6a52e618.wav.slin' (language 'en')
    -- Executing [s@mp3playback:1] Verbose("PJSIP/test-voip-00000010", "Playing mp3 file.") in new stack
Playing mp3 file.
    -- Executing [s@mp3playback:2] Set("PJSIP/test-voip-00000010", "CHANNEL(hangup_handler_push)=mp3hangup,s,1") in new stack
    -- Executing [s@mp3playback:3] MP3Player("PJSIP/test-voip-00000010", "https://serv.polyfloyd.net/files/Music/Whatever/Rick%20Astley%20-%20Never%20Gonna%20Give%20You%20Up.mp3") in new stack
  == Spawn extension (mp3playback, s, 3) exited non-zero on 'PJSIP/test-voip-00000010'
    -- PJSIP/test-voip-00000010 Internal Gosub(mp3hangup,s,1) start
    -- Executing [s@mp3hangup:1] Verbose("PJSIP/test-voip-00000010", "Hangup during mp3 file.") in new stack
Hangup during mp3 file.
    -- Executing [s@mp3hangup:2] Stasis("PJSIP/test-voip-00000010", "test_voip,test_FROMMP3=1") in new stack
    -- Executing [s@mp3hangup:3] Return("PJSIP/test-voip-00000010", "") in new stack
  == Spawn extension (mp3playback, s, 3) exited non-zero on 'PJSIP/test-voip-00000010'
    -- PJSIP/test-voip-00000010 Internal Gosub(mp3hangup,s,1) complete GOSUB_RETVAL=