Cisco IOS Voice Troubleshooting and Monitoring -- VoIP Cause Codes and Debug Values
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Use the following tables when reading debugs and the associated values within the debugs.
Contents |
Q.931 Call Disconnection Causes
These are cause codes from the debug voip ccapi inout command.
| Call Disconnection Cause Value (in Hex) | Meaning and Number (in Decimal) |
|---|---|
|
CC_CAUSE_UANUM = 0x1 |
Unassigned number (1) |
|
CC_CAUSE_NO_ROUTE = 0x3 |
No route to destination (3) |
|
CC_CAUSE_NORM = 0x10 |
Normal call clearing (16) |
|
CC_CAUSE_BUSY = 0x11 |
User busy (17) |
|
CC_CAUSE_NORS = 0x12 |
No user response (18) |
|
CC_CAUSE_NOAN = 0x13 |
No user answer (19) |
|
CC_CAUSE_REJECT = 0x15 |
Call rejected (21) |
|
CC_CAUSE_INVALID_NUMBER = 0x1C |
Invalid number (28) |
|
CC_CAUSE_UNSP = 0x1F |
Normal, unspecified (31) |
|
CC_CAUSE_NO_CIRCUIT = 0x22 |
No circuit (34) |
|
CC_CAUSE_NO_REQ_CIRCUIT = 0x2C |
No requested circuit (44) |
|
CC_CAUSE_NO_RESOURCE = 0x2F |
No resource (47) |
|
CC_CAUSE_NOSV = 0x3F |
Service or option not available, or unspecified (63) |
Codec Negotiation Values
These codec negotiation values are from the debug voip ccapi inout command.
| Negotiation Value | Meaning |
|---|---|
|
codec=0x00000001 |
G711 ULAW 64K PCM |
|
codec=0x00000002 |
G711 ALAW 64K PCM |
|
codec=0x00000004 |
G729 |
|
codec=0x00000004 |
G729IETF |
|
codec=0x00000008 |
G729a |
|
codec=0x00000010 |
G726r16 |
|
codec=0x00000020 |
G726r24 |
|
codec=0x00000040 |
G726r32 |
|
codec=0x00000080 |
G728 |
|
codec=0x00000100 |
G723r63 |
|
codec=0x00000200 |
G723r53 |
|
codec=0x00000400 |
GSMFR |
|
codec=0x00000800 |
G729b |
|
codec=0x00001000 |
G729ab |
|
codec=0x00002000 |
G723ar63 |
|
codec=0x00004000 |
G723ar53 |
|
codec=0x00008000 |
CLEAR_CHANNEL |
Tone Types
| Tone Types | Meaning |
|---|---|
|
CC_TONE_RINGBACK 0x1 |
Ring tone |
|
CC_TONE_FAX 0x2 |
Fax tone |
|
CC_TONE_BUSY 0x4 |
Busy tone |
|
CC_TONE_DIALTONE 0x8 |
Dial tone |
|
CC_TONE_OOS 0x10 |
Out of service tone |
|
CC_TONE_ADDR_ACK 0x20 |
Address acknowledgement tone |
|
CC_TONE_DISCONNECT 0x40 |
Disconnect tone |
|
CC_TONE_OFF_HOOK_NOTICE 0x80 |
Tone indicating that the phone is off-hook |
|
CC_TONE_OFF_HOOK_ALERT 0x100 |
A more urgent version of CC_TONE_OFF_HOOK_NOTICE |
|
CC_TONE_CUSTOM 0x200 |
Custom tone-used when you are specifying a custom tone |
|
CC_TONE_NULL 0x0 |
Null tone |
FAX-Rate and VAD Capabilities Values
| Values | Meaning |
|---|---|
|
CC_CAP_FAX_NONE 0x1 |
Fax disabled or not available |
|
CC_CAP_FAX_VOICE 0x2 |
Voice call |
|
CC_CAP_FAX_144 0x4 |
14,400 baud |
|
CC_CAP_FAX_96 0x8 |
9,600 baud |
|
CC_CAP_FAX_72 0x10 |
7,200 baud |
|
CC_CAP_FAX_48 0x20 |
4,800 baud |
|
CC_CAP_FAX_24 0x40 |
2,400 baud |
|
CC_CAP_VAD_OFF 0x1 |
VAD disabled |
|
CC_CAP_VAD_ON 0x2 |
VAD enabled |
