Deprecated: Creation of dynamic property Search_Filter_Display_Shortcode::$plugin_slug is deprecated in /home/oad-quectel-development/quectel-development.oriel-agency.dev/public/content/plugins/search-filter-pro/public/includes/class-search-filter-display-shortcode.php on line 20
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Deprecated: Creation of dynamic property Search_Filter_Display_Results::$plugin_slug is deprecated in /home/oad-quectel-development/quectel-development.oriel-agency.dev/public/content/plugins/search-filter-pro/public/includes/class-search-filter-display-results.php on line 31
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Deprecated: Creation of dynamic property Search_Filter::$third_party is deprecated in /home/oad-quectel-development/quectel-development.oriel-agency.dev/public/content/plugins/search-filter-pro/public/class-search-filter.php on line 90
Deprecated: Creation of dynamic property WPSE_CSV_API::$long_lived_dir is deprecated in /home/oad-quectel-development/quectel-development.oriel-agency.dev/public/content/plugins/_wp-sheet-editor-premium/modules/universal-sheet/inc/csv-api.php on line 1189 1.2 Why might a call hang up when you use ATD to make a call? - Quectel
Check if the MCU has sent an ATH command to end the call
Check whether there are capacitors with high capacitance (i.e. more than 1uF) in the audio interface. In general, only 10pf and 33pf capacitors can be connected to the audio interface to eliminate RF interference. Capacitors with high capacitance will cause instability to the audio PA, which may lead to a call hanging up
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