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112 lines
3.7 KiB
112 lines
3.7 KiB
#ifndef __iptel_q931defs_h
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#define __iptel_q931defs_h
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// This module contains constants and enumerated types for values used in the Q.931 protocol.
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// It does not contain any structures, definitions, or APIs relevant to any implementation.
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// Q931_PROTOCOL_DISCRIMINATOR identifies Q.931 PDUs on links that may carry
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// PDUs from more than one protocol, such as LAPD D-channel links on PRI.
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#define Q931_PROTOCOL_DISCRIMINATOR 0x08
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// the well-known Q.931 TSAP for TCP on IP is TCP port 1720
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#define Q931_TSAP_IP_TCP 1720
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#define Q931_TSAP_IP_TCP_SECURE 1300
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enum Q931_MESSAGE_TYPE
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{
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// Call Establishment Message (000-----)
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Q931_MESSAGE_TYPE_ALERTING = 0x01,
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Q931_MESSAGE_TYPE_CALL_PROCEEDING = 0x02,
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Q931_MESSAGE_TYPE_CONNECT = 0x07,
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Q931_MESSAGE_TYPE_CONNECT_ACKNOWLEDGE = 0x0F,
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Q931_MESSAGE_TYPE_PROGRESS = 0x03,
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Q931_MESSAGE_TYPE_SETUP = 0x05,
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Q931_MESSAGE_TYPE_SETUP_ACKNOWLEDGE = 0x0E,
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Q931_MESSAGE_TYPE_FACILITY = 0x1C,
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// Call Information Phase message (001-----)
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Q931_MESSAGE_TYPE_RESUME = 0x26,
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Q931_MESSAGE_TYPE_RESUME_ACKNOWLEDGE = 0x2E,
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Q931_MESSAGE_TYPE_RESUME_REJECT = 0x22,
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Q931_MESSAGE_TYPE_SUSPEND = 0x25,
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Q931_MESSAGE_TYPE_SUSPEND_ACKNOWLEDGE = 0x2D,
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Q931_MESSAGE_TYPE_SUSPEND_REJECT = 0x21,
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Q931_MESSAGE_TYPE_USER_INFORMATION = 0x20,
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// Call Clearing Messages (010-----)
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Q931_MESSAGE_TYPE_DISCONNECT = 0x45,
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Q931_MESSAGE_TYPE_RELEASE = 0x4D,
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Q931_MESSAGE_TYPE_RELEASE_COMPLETE = 0x5A,
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Q931_MESSAGE_TYPE_RESTART = 0x46,
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Q931_MESSAGE_TYPE_RESTART_ACKNOWLEDGE = 0x4E,
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// Miscellaneous Message (011-----)
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Q931_MESSAGE_TYPE_SEGMENT = 0x60,
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Q931_MESSAGE_TYPE_CONGESTION_CONTROL = 0x79,
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Q931_MESSAGE_TYPE_INFORMATION = 0x7B,
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Q931_MESSAGE_TYPE_NOTIFY = 0x6E,
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Q931_MESSAGE_TYPE_STATUS = 0x7D,
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Q931_MESSAGE_TYPE_STATUS_ENQUIRY = 0x75,
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};
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enum Q931_IE_IDENTIFIER
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{
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// Single-Octet Information Elements
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Q931_IE_SHIFT = 0x90, // 1001----
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Q931_IE_RESERVED = 0x80, // 1000----
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Q931_IE_MORE_DATA = 0xA0, // 11000000
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Q931_IE_SENDING_COMPLETE = 0xA1, // 11000001
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Q931_IE_CONGESTION_CONTROL = 0xB0, // 1011----
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Q931_IE_REPEAT_INDICATOR = 0xD0, // 1101----
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// Variable-Length Information Elements
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Q931_IE_SEGMENTED_MESSAGE = 0x00,
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Q931_IE_BEARER_CAPABILITY = 0x04,
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Q931_IE_CAUSE = 0x08,
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Q931_IE_CALL_IDENTITIY = 0x10,
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Q931_IE_CALL_STATE = 0x14,
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Q931_IE_CHANNEL_IDENTIFICATION = 0x18,
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Q931_IE_PROGRESS_INDICATOR = 0x1E,
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Q931_IE_NETWORK_SPECIFIC_FACILITIES = 0x20,
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Q931_IE_NOTIFICATION_INDICATOR = 0x27,
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Q931_IE_DISPLAY = 0x28,
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Q931_IE_DATE_TIME = 0x29,
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Q931_IE_KEYPAD_FACILITY = 0x2A,
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Q931_IE_SIGNAL = 0x34,
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Q931_IE_INFORMATION_RATE = 0x40,
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Q931_IE_END_TO_END_TRANSIT_DELAY = 0x42,
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Q931_IE_TRANSIT_DELAY_SELECTION = 0x43,
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Q931_IE_PACKET_LAYER_BINARY_PARAMETERS = 0x44,
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Q931_IE_PACKET_LAYER_WINDOW_SIZE = 0x45,
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Q931_IE_PACKET_SIZE = 0x46,
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Q931_IE_CLOSED_USER_GROUP = 0x47,
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Q931_IE_REVERSE_CHARGE_INDICATION = 0x4A,
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Q931_IE_CALLING_PARTY_NUMBER = 0x6A,
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Q931_IE_CALLING_PARTY_SUBADDRESS = 0x6B,
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Q931_IE_CALLED_PARTY_NUMBER = 0x70,
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Q931_IE_CALLED_PARTY_SUBADDRESS = 0x71,
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Q931_IE_REDIRECTING_NUMBER = 0x74,
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Q931_IE_TRANSIT_NETWORK_SELECTION = 0x78,
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Q931_IE_RESTART_INDICATOR = 0x79,
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Q931_IE_LOW_LAYER_COMPATIBILITY = 0x7C,
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Q931_IE_HIGH_LAYER_COMPATIBILITY = 0x7D,
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Q931_IE_USER_TO_USER = 0x7E,
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Q931_IE_ESCAPE_FOR_EXTENSION = 0x7F,
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};
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enum Q931_UUIE_TYPE
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{
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Q931_UUIE_USER_SPECIFIC = 0x00,
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Q931_UUIE_OSI = 0x01,
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Q931_UUIE_X244 = 0x02,
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Q931_UUIE_IA5_TEXT = 0x04,
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Q931_UUIE_X208 = 0x05,
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Q931_UUIE_V120_RATE_ADAPTION = 0x07,
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Q931_UUIE_UNI_CALL_CONTROL = 0x08,
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};
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#endif // __iptel_q931defs_h
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