yiyma
Cisco Employee
Cisco Employee
Member since ‎03-24-2021
‎05-13-2023

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问题背景 CUCM上注册的话机通过SIP trunk外呼失败 以下是典型的案例 通过SIP trunk下的配置检查SIP trunk 状态,显示为503. 根据CUCM error message guide For Remote=503, possible reasons include 1) route/sip trunk for originating side doesn't exist on remote peer; 2) route/sip trunk for originati...
问题背景 注册在CUCM或者VCS上的终端设备在做加密呼叫时,会出现每到15min呼叫断线的问题,在终端日志中查看都是本地挂断。 15min作为问题发生的一个规律,因为在SIP呼叫默认的超时时间为1800是,也就是30min,在15min中是需要协商出的refresher发送invite或者update更新session。 在终端设备中有如下配置设置为on, 会导致注册在CUCM或者VCS的SIP TLS的呼叫session refresh无法正常进行。需要设置为OFF。    
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Member Since ‎03-24-2021 11:52 PM
Date Last Visited ‎05-13-2023 03:48 AM
Posts 2