Direct Inward Dialing Trunk Lines https://www.cisco.com/c/en/us/products/collateral/unified-communications/unified-communications-manager-express/datasheet-c78-737647.html Possible to buy: C2901-CME-SRST/K9 Cisco CallManager Express (CME) SIP Trunking Configuration Example https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-express/91535-cme-sip-trunking-config.html Cisco Unified Communications Manager Express System Administrator Guide – Cisco Unified CME Overview https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm/cmeover.html Cisco Unified Communications Manager Express SIP Trunk Integration
Linux Notes
List directories only #ls -d */ find out Linux distribution version #cat /etc/*-release
CentOS
How To Partition and Format Storage Devices in Linux https://www.digitalocean.com/community/tutorials/how-to-partition-and-format-storage-devices-in-linux Ext2, Ext3 & Ext4 file systems https://www.tecmint.com/what-is-ext2-ext3-ext4-and-how-to-create-and-convert-linux-file-systems/ Mount a filesystem https://codingbee.net/tutorials/rhcsa/rhcsa-mounting-a-partition Install Desktop https://www.itzgeek.com/how-tos/linux/centos-how-tos/install-gnome-gui-on-centos-7-rhel-7.html Install Chrome https://www.tecmint.com/install-google-chrome-on-redhat-centos-fedora-linux/ Remove Chrome: yum remove google-chrome* Initial Server Setup with CentOS 6 https://www.digitalocean.com/community/tutorials/initial-server-setup-with-centos-6 Config
Servers
Installation Guide http://support.huawei.com/enterprise/en/doc/EDOC1000163531?section=j007 FusionServer Tools V2R2C00 Smart Provisioning User Guide 05 http://support.huawei.com/enterprise/en/doc/EDOC1000183801?section=j002&topicName=overview