SIP ARS 响应代码

上次更新时间 : Feb 14, 2023 |

前言信息

元数据

关键字：

通过 SIP RFC3398，用于 SIP 呼叫的许多响应代码都是 ISDN 代码的转换。对于拨出呼叫，这些可能会影响通过 ARS 的路由，如下所示：

不要使用此线路组

以下响应代码将导致系统的 ARS 不再以特定的拨出线路组为目标。根据其他设置，ARS 是否尝试将呼叫定位到不同的线路组或将其升级到另一个 ARS 条目。

Code	Cause Code
1	Unallocated Number.
2	No route to specific transit network/(5ESS) Calling party off hold.
3	No route to destination./(5ESS) Calling party dropped while on hold.
4	Send special information tone/(NI-2) Vacant Code.
5	Misdialed trunk prefix.
8	Preemption/(NI-2) Prefix 0 dialed in error.
9	Preemption, cct reserved/ (NI-2) Prefix 1 dialed in error.
10	(NI-2) Prefix 1 not dialed.
11	(NI-2) Excessive digits received call proceeding.
22	Number Changed.
28	Invalid Format Number.
29	Facility Rejected.
50	Requested Facility Not Subscribed.
52	Outgoing calls barred.
57	Bearer Capability Not Authorized.
63	Service or Option Unavailable.
65	Bearer Capability Not Implemented.
66	Channel Type Not Implemented.
69	Requested Facility Not Implemented.
70	Only Restricted Digital Information Bearer Capability Is Available.
79	Service Or Option Not Implemented.
88	Incompatible.
91	Invalid Transit Network Selection.
95	Invalid Message.
96	Missing Mandatory IE.
97	Message Type Nonexistent Or Not Implemented.
98	Message Not Implemented.
99	Parameter Not Implemented.
100	Invalid IE Contents.
101	Msg Not Compatible.
111	Protocol Error.
127	Interworking Unspecified.

以下响应代码将结束拨出呼叫路由和呼叫的任何其他 ARS 目标。

其它原因代码不影响 ARS 操作。

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