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/* packet-q931.h
* Declarations of exported routines and tables for Q.931 and Q.2931 frame
* disassembly
* Guy Harris <guy@alum.mit.edu>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_Q931_H__
#define __PACKET_Q931_H__
#include "ws_symbol_export.h"
WS_DLL_PUBLIC void dissect_q931_bearer_capability_ie(tvbuff_t *, int, int,
proto_tree *);
extern void dissect_q931_cause_ie(tvbuff_t *, int, int,
proto_tree *, int, uint8_t *,const value_string *);
extern void dissect_q931_progress_indicator_ie(tvbuff_t *, int, int,
proto_tree *);
WS_DLL_PUBLIC void dissect_q931_high_layer_compat_ie(tvbuff_t *, int, int,
proto_tree *);
extern void dissect_q931_user_user_ie(tvbuff_t *tvb, packet_info *pinfo, int offset, int len,
proto_tree *tree);
extern value_string_ext q931_cause_location_vals_ext;
typedef struct _q931_packet_info {
char *calling_number;
char *called_number;
uint8_t cause_value;
int32_t crv;
uint8_t message_type;
} q931_packet_info;
/*
* the following allows TAP code access to the messages
* without having to duplicate it. With MSVC and a
* libwireshark.dll, we need a special declaration.
*/
WS_DLL_PUBLIC value_string_ext q931_cause_code_vals_ext;
WS_DLL_PUBLIC const value_string q931_message_type_vals[];
extern value_string_ext q931_protocol_discriminator_vals_ext;
extern value_string_ext q931_progress_description_vals_ext;
extern value_string_ext q931_call_state_vals_ext;
/*
* Q.931 message types.
*/
#define Q931_ESCAPE 0x00
#define Q931_ALERTING 0x01
#define Q931_CALL_PROCEEDING 0x02
#define Q931_PROGRESS 0x03
#define Q931_SETUP 0x05
#define Q931_GROUIP_SERVICE 0x06
#define Q931_CONNECT 0x07
#define Q931_RESYNC_REQ 0x08
#define Q931_RESYNC_RESP 0x09
#define Q931_VERSION 0x0A
#define Q931_GROUIP_SERVICE_ACK 0x0B
#define Q931_SETUP_ACK 0x0D
#define Q931_CONNECT_ACK 0x0F
#define Q931_USER_INFORMATION 0x20
#define Q931_SUSPEND_REJECT 0x21
#define Q931_RESUME_REJECT 0x22
#define Q931_HOLD 0x24
#define Q931_SUSPEND 0x25
#define Q931_RESUME 0x26
#define Q931_HOLD_ACK 0x28
#define Q931_SUSPEND_ACK 0x2D
#define Q931_RESUME_ACK 0x2E
#define Q931_HOLD_REJECT 0x30
#define Q931_RETRIEVE 0x31
#define Q931_RETRIEVE_ACK 0x33
#define Q931_RETRIEVE_REJECT 0x37
#define Q931_DETACH 0x40
#define Q931_DISCONNECT 0x45
#define Q931_RESTART 0x46
#define Q931_DETACH_ACKNOWLEDGE 0x48
#define Q931_RELEASE 0x4D
#define Q931_RESTART_ACK 0x4E
#define Q931_RELEASE_COMPLETE 0x5A
#define Q931_SEGMENT 0x60
#define Q931_FACILITY 0x62
#define Q931_REGISTER 0x64
#define Q931_FACILITY_ACKNOWLEDGE 0x6A
#define Q931_NOTIFY 0x6E
#define Q931_FACILITY_REJECT 0x72
#define Q931_STATUS_ENQUIRY 0x75
#define Q931_CONGESTION_CONTROL 0x79
#define Q931_INFORMATION 0x7B
#define Q931_STATUS 0x7D
/*
* Maintenance message types.
* AT&T TR41459, Nortel NIS A211-1, Telcordia SR-4994, ...
*/
#define DMS_SERVICE_ACKNOWLEDGE 0x07
#define DMS_SERVICE 0x0F
#endif
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