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Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)
Codec Types (Compression / Payload types)
The following table provides values and descriptions for codec types.
Codec Description
Codec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
32
33
80
81
82
83
84
Cause Codes
The following table provides a list of cause codes that may appear in the Cause fields.
Cause Code Descriptions
Cause Code
Description
0
No error
1
Unallocated (unassigned) number
2
No route to specified transit network (national use)
3
No route to destination
4
Send special information tone
5
Misdialed trunk prefix (national use)
6
Channel unacceptable
7
Call awarded and being delivered in an established channel
8
Preemption
9
Preemption - circuit reserved for reuse
16
Normal call clearing
17
User busy
18
No user responding
19
No answer from user (user alerted)
20
Subscriber absent
21
Call rejected
© 2000 Cisco Systems, Inc.
Description
NonStandard
G711A-law 64k
G711A-law 56k
G711µ-law 64k
G711µ-law 56k
G722 64k
G722 56k
G722 48k
G7231
G728
G729
G729AnnexA
Is11172AudioCap
Is13818AudioCap
G729AnnexB
Data 64k
Data 56k
GSM
ActiveVoice
G726_32K
G726_24K
G726_16K
89
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