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Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)
© 2000 Cisco Systems, Inc. 89
Codec Types (Compression / Payload types)
The following table provides values and descriptions for codec types.
Codec Description
Codec Description
1
NonStandard
2
G711A-law 64k
3
G711A-law 56k
4
G711µ-law 64k
5
G711µ-law 56k
6
G722 64k
7
G722 56k
8
G722 48k
9
G7231
10
G728
11
G729
12
G729AnnexA
13
Is11172AudioCap
14
Is13818AudioCap
15
G729AnnexB
32
Data 64k
33
Data 56k
80
GSM
81
ActiveVoice
82
G726_32K
83
G726_24K
84
G726_16K
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