2024年3月9日发(作者：)

403 Forbidden、486 Busy Here、480 Temporarily Unavailable、

原因值呼叫类型失败原因

unassigned number

其他

unassigned number

视频

850-255-183-480

user is busy

internal error

user is busy

internal error

unassigned number

850-255-183-486

unassigned number

850-255-183-486

850-255-183-487

warning码

No appropriate

session for

SRVCC/eSRVCC

Internal error

null

Internal error

No appropriate

session for

SRVCC/eSRVCC

0 RELEASE FROM CC!

Internal error

null

0 RELEASE FROM CC!

Internal error

null

原因值呼叫类型warning码

Internal error

null

SCSCF released the

session because of

PERMANENT

Cancel received on

initial invite

语音

0 RELEASE FROM CC!

device

第一拆线网元

SCSCF

失败呼叫次数

2163

51

16

1

114

42

8

6

20

20

语音

received

cancel

message

403

Forbidden

语音

视频

语音

486 Busy

Here

视频

原因值呼叫类型第一拆线网元失败次数

3

AS

10

2

1

A-SBC

1

101

MGCF

142

3

5

13

3

失败次数

134

8

1

1

1

480

Temporari

ly

Unavailab

le

语音

487

Request

Terminate

d

Request

Terminate

d

506

SIPSL_ReleaseForMgcf

SuppressTone():

release mgcf and cs.

ims should send tone

based on status

back system reject

state: 48

呼叫类型warning码

Internal error

device

Glare condition

第一拆线网元

3

1

失败次数

6

1

24

MGCF

8

P-CSCF

第一拆线网元

1

失败次数

原因值

580

Precondit

ion

Failure

语音

Internal error

16

sipsl_nc_sipi_bearer

_time_out.

Internal error

原因值呼叫类型warning码

Internal error 或 0

RELEASE FROM CC!

504

Gateway

Time-out

MGCF379

语音

Internal errorPSBC41

Internal error 或 0

RELEASE FROM CC!

原因值呼叫类型

SCSCF72

失败次数

189

95

warning码第一拆线网元

Alerting switch

release split call.

91 RELEASE COMPLETE

FROM CC!

语音

404 not

found

Route Address Not

Found

device

0 RELEASE FROM CC!

Get basic data

failed.

Internal error

70

88

27

5