在深山老林里为社会添砖加瓦

统一通信,让沟通协作不受时间、地点和终端的限制,一面市便叫嚣要改变人的工作生活方式,但最后除了减少出差外似乎没什么翻天覆地的变化。自打从事这一行,就坚信,有这套系统解决日常沟通协作的问题,“员工在家工作、远程办公”/”公司成为一个虚拟实体” 成为常态应该不远了。 因为远程办公诸多利好远大于弊端。

Ways to Improve the Enterprise Security with Cisco UCM Apps

Being one of the UC market leaders, Cisco thoroughly supports its partner ecosystem providing Cisco Solution Partners with APIs and SDKs, labs and sandboxes to build UC-enabled solutions. Hundreds of Cisco technology partners worldwide develop software on top of Cisco Unified Communications Manager that helps employees to collaborate, sell, support and… among the CUCM-integrated apps …

Continue reading ‘Ways to Improve the Enterprise Security with Cisco UCM Apps’ »

VMware+GNS3 Based Collaboration CCIE Lab

I have been using this lab for casual testing & verification in my daily-work as well as Collaboration CCIE preparation during past 2 years. It should enable you to play with most basic features though emulating any hardware (like E1 or DSP etc) is still impossible. This platform was subjected to frequent changes and refinements …

Continue reading ‘VMware+GNS3 Based Collaboration CCIE Lab’ »

Windows Exchange 2010 Installation

Installing Windows Server 2008 R2 and Setup Active Directory http://www.igetmail.com/how-to-setup-exchange-2010/how-to-setup-exchange-2010.html Exchange 2010 Step-by-Step Install http://blogs.technet.com/b/rogulati/archive/2009/04/20/exchange-2010-step-by-step.aspx

Decrypt HTTPS traffic from UC Servers using wireshark

During the login of jabber client, it communicates with several UC servers like CUPS, CUCM, UnityConnection etc for authentication, config file downloading, registering. Most of those traffic is carried through HTTPS/XML. Therefore, in order to have a deep dive into the Jabber client login sequences and have an idea about what exactly is happening during …

Continue reading ‘Decrypt HTTPS traffic from UC Servers using wireshark’ »

Jabber for Windows 9.2.x Overview

Method for Installing Jabber for windows Methods for jabber for windows 9.2.x installation “User the Command Line”or “Create a Custom Installer”aims to specifying some login & system-level config parameters (such as whether clear existing bootstrap file, Server Type[CUP, Webex or CUCM], Server IP address, Domain, Install Language, Phone Mode, etc) during Installation. All those parameters …

Continue reading ‘Jabber for Windows 9.2.x Overview’ »

Cisco Unified Presence Server 8.x (CUPS)

CUPS Overview CUPS is a cisco UC component which provides IM, Presence, Group Chat (Ad-hoc or Persistent) and also allows seamless integration with other UC components. There are basically 3 roles in Presence work flow. Watcher(could be a phone, client, trunk etc), Presence Entity, and Presence Server.The presence entity publishes its current status to the …

Continue reading ‘Cisco Unified Presence Server 8.x (CUPS)’ »

Cisco CUCM Tricks for Active Directory & LDAP

What is Active Directory Database Structure of Active Directory Common Database Schemas of LDAP Server Active Directory (AD): is Database storing all kinds of Objects and Policies which apply to the interoperations between Objects. Object: It is the minimum component in the database that AD manipulates and each Object is associated with a set of …

Continue reading ‘Cisco CUCM Tricks for Active Directory & LDAP’ »

Gatekeeper & CUBE Summary

Why GK & CUBE Gatekeeper was initially introduced to interconnected several CUCM clusters in a simple and efficient way in large scale IPT network. Call Routing on GK is a 2-matching-steps (Zone Prefix & Technology Prefix) deal. Apart from that, GK also provides supplementary functions such as BW management, Call Admission Control, Name resolution etcs. …

Continue reading ‘Gatekeeper & CUBE Summary’ »