In this case, a sipp script is used to simulate an sip presence server.
在本例中，一个sipp脚本用于模拟sip状态服务器。
WebSphere Presence Server collects, manages, and distributes real-time presence information of users.
WebSpherePresence Server收集、管理和分发用户的实时在线状态信息。
Listing 8 shows how to access the PresenceSession associated with the notification sent from the presence server.
清单8展示了如何访问与状态服务器发送的通知关联的presencesession ？
On the back end, the sample application converts the Web service request into an SIP subscription sent to a SIP presence server.
在后端，样例应用程序将Web服务请求转换为发送给SIP状态服务器的SIP订阅。
On the back end, the sample application converted the Web service request into an SIP subscription sent to a SIP presence server.
在后端，样例应用程序将Web服务请求转换为发送给SIP状态服务器的SIP订阅。
When Presence Server is integrated with Group List Server, you can subscribe to both a single user and a user-defined group or global group.
当Presence Server与GroupList Server集成时，可以针对单个用户进行订阅，也可以针对用户定义的组或全局组进行订阅。
When you work in an environment that integrates Group List Server with presence Server, you have control of who is able to see your presence information.
在GroupListServer与Presence Server集成的环境中工作时，可以控制谁能够查看您的在线状态信息。
Presence server: a "Presence server" provides the services to collect, manage and distribute the real time availability and the means for communicating among users.
在线状态服务器：“在线状态服务器”提供用于收集、管理和分发实时可用性和用户间的通信方法的服务。
The server fully integrates with J2EE architecture and supports SIP protocols to provide the awareness of presence to users.
该服务器完全与J2EE体系结构集成，支持通过SIP协议提供用户在线状态感知功能。
The ce server will not prohibit any change due to the mere presence of a lock.
在仅出现该锁的情况下，CE服务器将不阻止任何更改。
The main server exists only for the presence information and billing users of the system whenever they make a call that has charges (e.g. SkypeOut).
主服务器只为了保存在线信息和计费存在（比如SkypeOut）。
PresenceServerAddress: Passed across the Web services interface to the presence monitor server, this specifies where to send the SIP subscription.
presenceServerAddress：通过Web服务接口传递到状态监视器服务器，这指定了将SIP订阅发送到何处。
To do this, send a presence stanza to the server.
为此，需要向服务器发送一个presence节。
On the server level, these IDs can be mapped to application-specific information such as presence.
在服务端层面，这些ID可以被映射到应用相关的信息中，比如用户名等。
The next step (optional) is to indicate your presence to the IM server.
下一步（可选）是表示您已经登录了IM服务器。
The next step (optional) is to indicate your presence to the IM server.
下一步（可选）是表示您已经登录了IM服务器。
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