# Telephony

- [Make a voice call](https://docs.qualcomm.com/doc/80-PF458-1/topic/make_call.html)
- [Make eCall](https://docs.qualcomm.com/doc/80-PF458-1/topic/make_eCall.html)
- [Make Third Party Service (TPS) eCall over IMS](https://docs.qualcomm.com/doc/80-PF458-1/topic/make_tps_eCall_over_Ims.html)
- [Request voice service state updates](https://docs.qualcomm.com/doc/80-PF458-1/topic/request_voice_service_state.html)
- [Request and set operating mode](https://docs.qualcomm.com/doc/80-PF458-1/topic/request_set_operating_mode.html)
- [Request service domain preference](https://docs.qualcomm.com/doc/80-PF458-1/topic/serving_system.html)
- [Get network subscription information](https://docs.qualcomm.com/doc/80-PF458-1/topic/get_subscription.html)
- [Card service APIs to transmit APDU](https://docs.qualcomm.com/doc/80-PF458-1/topic/card_services_app.html)
- [Using SAP APIs](https://docs.qualcomm.com/doc/80-PF458-1/topic/sap_api_and_listener.html)
- [Request network selection mode](https://docs.qualcomm.com/doc/80-PF458-1/topic/network_selection.html)
- [Smart network selection](https://docs.qualcomm.com/doc/80-PF458-1/topic/smart_network_selection.html)
- [Using remote SIM manager APIs](https://docs.qualcomm.com/doc/80-PF458-1/topic/remote_sim_api.html)
- [Using remote SIM reference apps](https://docs.qualcomm.com/doc/80-PF458-1/topic/remote_sim_reference_apps.html)
- [Sending SMS](https://docs.qualcomm.com/doc/80-PF458-1/topic/send_sms.html)
- [Listening for incoming SMS](https://docs.qualcomm.com/doc/80-PF458-1/topic/listen_sms.html)

Last Published: Jun 24, 2026

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