Here is output of how to change call-agent on Cisco Unity Express   CUE-SRE# sh call-agent Call-agent:         CUCM   CUE-SRE# call-agent ?   ccm               Cisco…

Notes; Cisco 2921, IOS version 15.3(2)T4 Cisco Unified Call Manager Express : Version 9.5 Cisco Unity Express : 8.6.9 SRE-300-K9   1. From CME Router  …

  If you have a lot of devices on your network, centralized authentication server is always handy for efficient control of devices, convenient and scalable. …

    Cisc ATA186 is very simple and useful Cisco ATA186 is very simple and useful device for helping analog phone to connect VoIP system….

CUCM install was fairly easy, but first time booting the CUCM system. We got below errors. Few suggestion was found in the forum and VoIP…

  Here is everything you need to know about Cisco Unity Express license activate, install and transfer. It shouldn’t be that hard or difficult, but…

When I was creating a voice mailbox thru Cisco Unity Express(CUE) 8.6.9 GUI mode, I got below "Mailbox create error" Errors reported while adding –…

    This is a quick install steps of icinga2 on CentOS7. 1. Install Prerequisites [icinga2@CentOS7]# yum -y install wget httpd mod_ssl gd gd-devel mariadb-server…

  Notes; 1. Cisco ATA187 is no longer support web edit mode (different from ATA186) 2. Cisco ATA187 is end of life by 2014(but still…

Here is a sample configuration file for Cisco ATA187 (Analog Telephone Adaptor). ATA187 is different from ATA186 that is allowed to edit configuration thru Web…

Basic configuration of QoS for VoIP on Cisco Catalyst Switches   2960 / 3750   1. Global mode Cisco_VoIP_QoS# conf t Cisco_VoIP_QoS(confi)# mls qos  …