[Freeswitch-users] Call screen for call to multiple endpoints not hanging up other endpoints on ANSWER

[Robert Hadley]

I am using call screen feature and it works great for calls to single endpoints.  However when call bridges to multiple endpoints the other endpoints continue to ring after one endpoint is answered.  They are hungup on the accept/reject, but they should be hungup on answer.

These are the variables I am setting up before call_screen:
               switch_channel_set_variable(channel, "ignore_early_media", "true");
               switch_channel_set_variable(channel, "send_silence_when_idle", "10000");            // Eliminates initial white noise
               p = switch_channel_get_variable(channel, "caller_id_number");
               s = switch_channel_get_variable(channel, "uuid");
               switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "screen_call: caller_id_number='%s', variable_uuid='%s'\n", p, s);
               switch_snprintf(q, 256, "/tmp/%s-%s-name.wav", p, s);
               switch_channel_set_variable(channel, "call_screen_filename", q);
               switch_channel_set_variable(channel, "group_confirm_key", "exec");
               switch_core_session_execute_application(session, "answer", NULL);
               switch_core_session_execute_application(session, "sleep", "1000");
               switch_snprintf(r, 256, "callscreen_record_name,%s", dn);
               switch_core_session_execute_application(session, "phrase", r);
               switch_core_session_execute_application(session, "playback", "tone_stream://%(500, 0, 640)");
               switch_channel_set_variable(channel, "playback_terminators", "#*0123456789");
               switch_snprintf(r, 256, "%s 7 200 2", q);
               switch_core_session_execute_application(session, "record", r);
               switch_core_session_execute_application(session, "set", "ringback=${hold_music}");
               switch_core_session_execute_application(session, "set", "transfer_ringback=${hold_music}");
               switch_channel_set_variable(channel, "group_confirm_key", "exec");
               switch_channel_set_variable(channel, "group_confirm_cancel_timeout", "60");
               switch_channel_set_variable(channel, "origination_cancel_key", "2");
               switch_channel_set_variable(channel, "group_confirm_read_timeout", "60");
               switch_channel_set_variable(channel, "group_confirm_error_file", "/opt/teoswitch/lang/en/vm/vm-goodbye.wav");
               switch_channel_set_variable(channel, "fail_on_single_reject", "true");
               switch_channel_set_variable(channel, "continue_on_fail", "true");
               switch_channel_set_variable(channel, "call_timeout", "60");
               p = switch_channel_get_variable(channel, "uuid");
               switch_snprintf(r, 256, "callscreen %s %s", dn, p);
               switch_channel_set_variable(channel, "group_confirm_file", r);

Thanks,
Robert Hadley
Software Engineer

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