---

SHELL_STATIC_SUBCMD_SET_CREATE(sub_pjsip,
	SHELL_CMD_ARG(start, NULL,
		  "PJSIP start connect\n"
		  "'pjsip start <sip_domain> <sip_user> <sip_pass> <local_ip>'",
		  pjsip_start, 1, 5),
	SHELL_CMD_ARG(stop, NULL,
		  "Stop PJSIP work\n"
		 "pjsip stop",
		 pjsip_stop, 1, 0),
	SHELL_CMD_ARG(mount, NULL,
		  "Check mount internal flash\n"
		 "pjsip mount",
		 pjsip_mount, 1, 0),
	SHELL_SUBCMD_SET_END
);

надо добавить команду смены аудио, в функции вызовется update_device_pointers(1)