Sometimes the operator cannot make an outgoing call, in the logs I see this message
== Using SIP RTP CoS mark 5
– Called SIP/OUT_LINE_TELE2/77477673292
> 0x7fbd5c08d580 – Strict RTP learning complete - Locking on source address 79.143.23.13:48806
– SIP/OUT_LINE_TELE2-00011a6c is ringing
> 0x7fbd600c52b0 – Strict RTP learning complete - Locking on source address 217.76.78.18:26694
– SIP/OUT_LINE_TELE2-00011a6c answered SIP/221-00011a6b
– Channel SIP/OUT_LINE_TELE2-00011a6c joined ‘simple_bridge’ basic-bridge <50a59195-b8b6-48ee-9047-8b6f9c55fa74>
– Channel SIP/221-00011a6b joined ‘simple_bridge’ basic-bridge <50a59195-b8b6-48ee-9047-8b6f9c55fa74>
> 0x7fbd5c08d580 – Strict RTP learning after remote address set to: 10.0.1.16:4268
== Spawn extension (phones, 004377477673292, 89) exited non-zero on ‘SIP/112-00011a6d’
== MixMonitor close filestream (mixed)
== Executing [lame /var/spool/asterisk/monitor/out_77477673292_0043_2021-07-23-12-40-37.wav /var/spool/asterisk/monitor/out_77477673292_0043_2021-07-23-12-40-37.mp3 && rm -f /var/spool/asterisk/monitor/out_77477673292_0043_2021-07-23-12-40-37.wav]
== End MixMonitor Recording SIP/112-00011a6d
Please tell me what is happening, why can’t I make a call the first time?