Held calls - no audio on pickup

We’ve had a sporadic problem - it doesn’t always happen. An incoming call is put on hold. When the user picks the call back up, there is no audio - the caller cannot be heard. If we immediately transfer that call to another phone, two-way audio works fine.

Any ideas or suggestions?

I thought I’d post the log file from the most recent instance of this issue. I don’t see anything abnormal in the log. In this case, the caller hung up because the user wasn’t aware that they should try transferring the call.

[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] app_dial.c: SIP/101-00000049 answered SIP/CC-MTP-TRK-00000047
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:1] Set(“SIP/101-00000049”, “__MACRO_RESULT=”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:2] Set(“SIP/101-00000049”, “CFIGNORE=”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:3] Set(“SIP/101-00000049”, “MASTER_CHANNEL(CFIGNORE)=”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:4] Set(“SIP/101-00000049”, “FORWARD_CONTEXT=from-internal”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:5] Set(“SIP/101-00000049”, “MASTER_CHANNEL(FORWARD_CONTEXT)=from-internal”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:6] Macro(“SIP/101-00000049”, “blkvm-clr,”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:1] Set(“SIP/101-00000049”, “SHARED(BLKVM,SIP/CC-MTP-TRK-00000047)=”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:2] Set(“SIP/101-00000049”, “GOSUB_RETVAL=”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:3] MacroExit(“SIP/101-00000049”, “”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:7] ExecIf(“SIP/101-00000049”, “0?Set(MASTER_CHANNEL(CONNECTEDLINE(num))=101)”) in new stack
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:8] ExecIf(“SIP/101-00000049”, “0?Set(MASTER_CHANNEL(CONNECTEDLINE(name))=101)”) in new stack
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 100[ext-local] new state Idle for Notify User 107
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 100[ext-local] new state Idle for Notify User 102
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 100[ext-local] new state Idle for Notify User 103
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 100[ext-local] new state Idle for Notify User 106
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 100[ext-local] new state Idle for Notify User 108
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 100[ext-local] new state Idle for Notify User 101
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 100
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 107
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 102
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 103
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 106
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 108
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 102[ext-local] new state Idle for Notify User 101
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 100
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 107
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 102
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 103
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 106
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 108
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 103[ext-local] new state Idle for Notify User 101
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 100
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 107
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 102
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 103
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 108
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 106
[2022-03-02 10:07:21] VERBOSE[3240] chan_sip.c: Extension Changed 108[ext-local] new state Idle for Notify User 101
[2022-03-02 10:07:21] VERBOSE[15927][C-00000018] bridge_channel.c: Channel SIP/101-00000049 joined ‘simple_bridge’ basic-bridge
[2022-03-02 10:07:21] VERBOSE[15916][C-00000018] bridge_channel.c: Channel SIP/CC-MTP-TRK-00000047 joined ‘simple_bridge’ basic-bridge
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 100
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 107
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 102
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 103
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 106
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 108
[2022-03-02 10:07:52] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 101
[2022-03-02 10:07:52] VERBOSE[15916][C-00000018] res_musiconhold.c: Started music on hold, class ‘default’, on channel ‘SIP/CC-MTP-TRK-00000047’
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 100
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 107
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 102
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 103
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 106
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 108
[2022-03-02 10:08:49] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 101
[2022-03-02 10:08:49] VERBOSE[15916][C-00000018] res_musiconhold.c: Stopped music on hold on SIP/CC-MTP-TRK-00000047
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 100
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 107
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 102
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 103
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 106
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 108
[2022-03-02 10:09:07] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state Hold for Notify User 101
[2022-03-02 10:09:07] VERBOSE[15916][C-00000018] res_musiconhold.c: Started music on hold, class ‘default’, on channel ‘SIP/CC-MTP-TRK-00000047’
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 100
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 107
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 102
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 103
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 106
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 108
[2022-03-02 10:10:25] VERBOSE[3240] chan_sip.c: Extension Changed 101[ext-local] new state InUse for Notify User 101
[2022-03-02 10:10:25] VERBOSE[15916][C-00000018] res_musiconhold.c: Stopped music on hold on SIP/CC-MTP-TRK-00000047
[2022-03-02 10:10:37] VERBOSE[15927][C-00000018] bridge_channel.c: Channel SIP/101-00000049 left ‘simple_bridge’ basic-bridge
[2022-03-02 10:10:37] VERBOSE[15916][C-00000018] bridge_channel.c: Channel SIP/CC-MTP-TRK-00000047 left ‘simple_bridge’ basic-bridge
[2022-03-02 10:10:37] VERBOSE[15916][C-00000018] app_macro.c: Spawn extension (macro-dial, s, 24) exited non-zero on ‘SIP/CC-MTP-TRK-00000047’ in macro ‘dial’
[2022-03-02 10:10:37] VERBOSE[15916][C-00000018] pbx.c: Spawn extension (ext-group, 600, 18) exited non-zero on ‘SIP/CC-MTP-TRK-00000047’
[2022-03-02 10:10:37] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:1] Macro(“SIP/CC-MTP-TRK-00000047”, “hangupcall,”) in new stack
[2022-03-02 10:10:37] VERBOSE[15916][C-00000018] pbx.c: Executing [[email protected]:1] GotoIf(“SIP/CC-MTP-TRK-00000047”, “1?theend”) in new stack
[2022-03-02 10:10:37] VERBOSE[15916][C-00000018] pbx_builtins.c: Goto (macro-hangupcall,s,3)

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