USB CDC PSTN subclass definitions. More...

Data Structures
struct	usb_cdc_dlm_desc
	Direct Line Management Functional Descriptor. More...

struct	usb_cdc_tring_desc
	Telephone Ringer Functional Descriptor. More...

struct	usb_cdc_tom_desc
	Telephone Operational Modes Functional Descriptor. More...

struct	usb_cdc_tcs_desc
	Telephone Call State Reporting Capabilities Descriptor. More...

Communications Class Subclass Codes
#define	USB_CDC_SUBCLASS_DLC 0x01
	Direct Line Control Model.

#define	USB_CDC_SUBCLASS_TEL 0x03
	Telephone Control Model.

CDC PSTN subclass specific Functional Descriptors codes
#define	USB_DTYPE_CDC_LINE_MANAGEMENT 0x03
	Direct Line Management Functional Descriptor.

#define	USB_DTYPE_CDC_TEL_RING 0x04
	Telephone Ringer Functional Descriptor.

#define	USB_DTYPE_CDC_TEL_CALL 0x05
	Telephone Call and Line State Reporting Capabilities Functional Descriptor.

#define	USB_DTYPE_CDC_TEL_OPMODE 0x08
	Telephone Operational Modes Functional Descriptor.

CDC PSTN subclass specific requests
#define	USB_CDC_SET_AUX_LINE_STATE 0x10
	Used to connect or disconnect a secondary jack to POTS circuit or CODEC, depending on hook state.

#define	USB_CDC_SET_HOOK_STATE 0x11
	Used to set the necessary POTS line relay code for on-hook, off-hook, and caller ID states.

#define	USB_CDC_PULSE_SETU 0x12
	Used to prepare for a pulse-dialing cycle.

#define	USB_CDC_SEND_PULSE 0x13
	Used to generate a specified number of make/break pulse cycles.

#define	USB_CDC_SET_PULSE_TIME 0x14
	Sets the timing of the make and break periods for pulse dialing.

#define	USB_CDC_RING_AUX_JACK 0x15
	Used to generate a ring signal on a secondary phone jack.

#define	USB_CDC_SET_RINGER_PARMS 0x30
	Configures the ringer for the communication device.

#define	USB_CDC_GET_RINGER_PARMS 0x31
	Returns the ringer capabilities of the device and the current status of the device’s ringer.

#define	USB_CDC_SET_OPERATION_PARMS 0x32
	Sets the operational mode for the device, between a simple mode, standalone mode and a host centric mode.

#define	USB_CDC_GET_OPERATION_PARMS 0x33
	Gets the current operational mode for the device.

#define	USB_CDC_SET_LINE_PARMS 0x34
	Used to change the state of the line.

#define	USB_CDC_GET_LINE_PARMS 0x35
	Used to report the state of the line.

#define	USB_CDC_DIAL_DIGITS 0x36
	Dials the DTMF digits over the specified line.

CDC PSTN subclass specific notifications
#define	USB_CDC_NTF_AUX_JACK_HOOK_STATE 0x08
	Indicates the loop has changed on the auxiliary phone interface.

#define	USB_CDC_NTF_RING_DETECT 0x09
	Indicates ring voltage on the POTS line interface.

#define	USB_CDC_NTF_CALL_STATE_CHANGE 0x28
	Identifies that a change has occurred to the state of a call on the line corresponding to the interface or union for the line.

#define	USB_CDC_NTF_LINE_STATE_CHANGE 0x29
	identifies that a change has occurred to the state of the line corresponding to theinterface or master interface of a union.

USB CDC Direct Line Management capabilities

#define	USB_CDC_DLM_PULSE 0x01
	Supports the request combination of Pulse_Setup, Send_Pulse, and Set_Pulse_Time.

#define	USB_CDC_DLM_AUX 0x02
	Supports the request combination of Set_Aux_Line_State, Ring_Aux_Jack, and notification Aux_Jack_Hook_State.

#define	USB_CDC_DLM_XTRAPULSE 0x04
	Device requires extra Pulse_Setup request during pulse dialing sequence to disengage holding circuit.

USB CDC Telephone Operational Modes capabilities

#define	USB_CDC_TOM_SIMPLE 0x01
	Supports Simple mode.

#define	USB_CDC_TOM_STANDALONE 0x02
	Supports Standalone mode.

#define	USB_CDC_TOM_CENTRIC 0x04
	Supports Computer Centric mode.

USB CDC Telephone Call State Reporting capabilities

#define	USB_CDC_TCS_DIALTONE 0x01
	Reports interrupted dialtone in addition to normal dialtone.

#define	USB_CDC_TCS_STATE 0x02
	Reports ringback, busy, and fast busy states.

#define	USB_CDC_TCS_CALLERID 0x04
	Reports caller ID information.

#define	USB_CDC_TCS_RINGING 0x08
	Reports incoming distinctive ringing patterns.

#define	USB_CDC_TCS_DTMF 0x10
	Can report DTMF digits input remotely over the telephone line.

#define	USB_CDC_TCS_NOTIFY 0x20
	Does support line state change notification.

Detailed Description

USB CDC PSTN subclass definitions.

This module based on "Universal Serial Bus Communications Class Subclass Specification for PSTN Devices" Revision 1.2

This module contains definitions for

Data Structures