* Routines for Q.2931 frame disassembly
* Guy Harris <guy@alum.mit.edu>
*
- * $Id: packet-q2931.c,v 1.29 2002/08/28 21:00:25 jmayer Exp $
+ * $Id: packet-q2931.c,v 1.31 2003/07/08 07:55:10 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
static int proto_q2931 = -1;
static int hf_q2931_discriminator = -1;
static int hf_q2931_call_ref_len = -1;
+static int hf_q2931_call_ref_flag = -1;
static int hf_q2931_call_ref = -1;
static int hf_q2931_message_type = -1;
static int hf_q2931_message_type_ext = -1;
{ 0, NULL }
};
+static const true_false_string tfs_call_ref_flag = {
+ "Message sent to originating side",
+ "Message sent from originating side"
+};
+
/*
* Bits in the message type extension.
*/
/*
* Dissect a Cause information element.
*/
-static const value_string q2931_cause_coding_standard_vals[] = {
- { 0x00, "ITU-T standardized coding" },
- { 0x20, "ISO/IEC standard" },
- { 0x40, "National standard" },
- { 0x60, "Standard defined for the network" },
- { 0, NULL }
-};
-
static const value_string q2931_cause_location_vals[] = {
{ 0x00, "User (U)" },
{ 0x01, "Private network serving the local user (LPN)" },
{ Q2931_CAUSE_UNALLOC_NUMBER, "Unallocated (unassigned) number" },
{ 0x02, "No route to specified transit network" },
{ Q2931_CAUSE_NO_ROUTE_TO_DEST, "No route to destination" },
+ { 0x04, "Send special information tone" },
+ { 0x05, "Misdialled trunk prefix" },
+ { 0x06, "Channel unacceptable" },
+ { 0x07, "Call awarded and being delivered in an established channel" },
+ { 0x08, "Preemption" },
+ { 0x09, "Preemption - circuit reserved for reuse" },
+ { 0x0E, "QoR: ported number" },
{ 0x10, "Normal call clearing" },
{ 0x11, "User busy" },
{ 0x12, "No user responding" },
+ { 0x13, "No answer from user (user alerted)" },
+ { 0x14, "Subscriber absent" },
{ Q2931_CAUSE_CALL_REJECTED, "Call rejected" },
{ Q2931_CAUSE_NUMBER_CHANGED, "Number changed" },
- { 0x17, "User rejects calls with calling line identification restriction" },
+ { 0x17, "Redirection to new destination" },
+ { 0x18, "Call rejected due to feature at the destination" },
+ { 0x19, "Exchange routing error" },
+ { 0x1A, "Non-selected user clearing" },
{ 0x1B, "Destination out of order" },
{ 0x1C, "Invalid number format (incomplete number)" },
{ 0x1E, "Response to STATUS ENQUIRY" },
{ 0x1F, "Normal unspecified" },
+ { 0x20, "Too many pending add party request" },
{ 0x23, "Requested VPCI/VCI not available" },
{ 0x24, "VPCI/VCI assignment failure" },
{ Q2931_CAUSE_CELL_RATE_UNAVAIL,"User cell rate not available" },
{ 0x26, "Network out of order" },
+ { 0x27, "Permanent frame mode connection out of service" },
+ { 0x28, "Permanent frame mode connection operational" },
{ 0x29, "Temporary failure" },
+ { 0x2A, "Switching equipment congestion" },
{ Q2931_CAUSE_ACCESS_INFO_DISC, "Access information discarded" },
+ { 0x2C, "Requested circuit/channel not available" },
{ 0x2D, "No VPCI/VCI available" },
{ 0x2F, "Resources unavailable, unspecified" },
{ Q2931_CAUSE_QOS_UNAVAILABLE, "Quality of service unavailable" },
+ { 0x32, "Requested facility not subscribed" },
+ { 0x35, "Outgoing calls barred within CUG" },
+ { 0x37, "Incoming calls barred within CUG" },
{ 0x39, "Bearer capability not authorized" },
{ 0x3A, "Bearer capability not presently available" },
+ { 0x3E, "Inconsistency in designated outgoing access information and subscriber class" },
{ 0x3F, "Service or option not available, unspecified" },
{ 0x41, "Bearer capability not implemented" },
+ { 0x42, "Channel type not implemented" },
+ { 0x45, "Requested facility not implemented" },
+ { 0x46, "Only restricted digital information bearer capability is available" },
{ 0x49, "Unsupported combination of traffic parameters" },
{ 0x4E, "AAL parameters cannot be supported" },
+ { 0x4F, "Service or option not implemented, unspecified" },
{ 0x51, "Invalid call reference value" },
{ Q2931_CAUSE_CHAN_NONEXISTENT, "Identified channel does not exist" },
+ { 0x53, "Call identity does not exist for suspended call" },
+ { 0x54, "Call identity in use" },
+ { 0x55, "No call suspended" },
+ { 0x56, "Call having the requested call identity has been cleared" },
+ { 0x57, "Called user not member of CUG" },
{ Q2931_CAUSE_INCOMPATIBLE_DEST,"Incompatible destination" },
{ 0x59, "Invalid endpoint reference" },
+ { 0x5A, "Non-existent CUG" },
{ 0x5B, "Invalid transit network selection" },
{ 0x5C, "Too many pending ADD PARTY requests" },
+ { 0x5D, "AAL parameters cannot be supported" },
+ { 0x5F, "Invalid message, unspecified" },
{ Q2931_CAUSE_MAND_IE_MISSING, "Mandatory information element is missing" },
{ Q2931_CAUSE_MT_NONEX_OR_UNIMPL,"Message type non-existent or not implemented" },
+ { 0x62, "Message not compatible with call state or message type non-existent or not implemented" },
{ Q2931_CAUSE_IE_NONEX_OR_UNIMPL,"Information element nonexistant or not implemented" },
{ Q2931_CAUSE_INVALID_IE_CONTENTS,"Invalid information element contents" },
{ Q2931_CAUSE_MSG_INCOMPAT_W_CS,"Message not compatible with call state" },
{ Q2931_CAUSE_REC_TIMER_EXP, "Recovery on timer expiry" },
+ { 0x67, "Parameter non-existent or not implemented - passed on" },
{ 0x68, "Incorrect message length" },
+ { 0x6E, "Message with unrecognized parameter discarded" },
{ 0x6F, "Protocol error, unspecified" },
+ { 0x7F, "Internetworking, unspecified" },
{ 0, NULL }
};
rejection_reason = octet & 0x7C;
proto_tree_add_text(tree, tvb, offset, 1,
"Rejection reason: %s",
- val_to_str(octet & 0x7C, q2931_cause_condition_vals,
+ val_to_str(octet & 0x7C, q2931_rejection_reason_vals,
"Unknown (0x%X)"));
proto_tree_add_text(tree, tvb, offset, 1,
"Condition: %s",
proto_tree_add_uint(q2931_tree, hf_q2931_call_ref_len, tvb, offset, 1, call_ref_len);
offset += 1;
if (call_ref_len != 0) {
- /* XXX - split this into flag and value */
tvb_memcpy(tvb, call_ref, offset, call_ref_len);
- if (q2931_tree != NULL)
+ if (q2931_tree != NULL) {
+ proto_tree_add_boolean(q2931_tree, hf_q2931_call_ref_flag,
+ tvb, offset, 1, (call_ref[0] & 0x80) != 0);
+ call_ref[0] &= 0x7F;
proto_tree_add_bytes(q2931_tree, hf_q2931_call_ref, tvb, offset, call_ref_len, call_ref);
+ }
offset += call_ref_len;
}
message_type = tvb_get_guint8(tvb, offset);
{ "Call reference value length", "q2931.call_ref_len", FT_UINT8, BASE_DEC, NULL, 0x0,
"", HFILL }},
+ { &hf_q2931_call_ref_flag,
+ { "Call reference flag", "q2931.call_ref_flag", FT_BOOLEAN, BASE_NONE, TFS(&tfs_call_ref_flag), 0x0,
+ "", HFILL }},
+
{ &hf_q2931_call_ref,
{ "Call reference value", "q2931.call_ref", FT_BYTES, BASE_HEX, NULL, 0x0,
"", HFILL }},
git.samba.org / obnox / wireshark / wip.git / blobdiff