By Paul Mahler
VoIP Telephony with Asterisk is the best-selling advent to the best open resource PBX software program. you are going to how you can provision telephony, set up and bring together Linux and Asterisk, and configure an Asterisk dial plan for either analog and SIP phones. The book's three hundred pages hide Cisco and snom phones, Digium forums, faxing, voicemail, uncomplicated IVR and various similar themes.
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They download their firmware and configuration settings from TFTP. TFTP is installed and enabled on the Mepis CD. In the Mepis distribution,/var/tftp is the default TFTP directory. If you would rather run TFTP from a Windows server, you will have to find and install a TFTP server. NoTFTP server is included with Windows. In other distributions, make sure the TFTP sever directory named in the configuration file exists. Make sure this directory has universal read and write permission. Make sure all files in theTFTPboot directory are readable Be sure to test TFTP by requesting a file from a machine separate from you server.
Is spare equipment easily available? Are spare communications boards readily available? Is there automatic cal forwarding to alternate telephone numbers in case of an Asterisk or communications failure Change Management Aterisk is rapidly evolving. New versions are available on an almost daily basis. New features and facilities are being added. How and when do you move to a newer version? Maintain a copy of any installed systems. Have backups available in case the move to a newer version fails.
You may want to share one Asterisk system between several offices. You could use data connections between the offices to share the single Asterisk system. Sharing a Connection Many small businesses do not need all of a T1 connection. If you are in a location near other small businesses, you may be able to share a T1 connection with your neighbors. If you are friends with you neighbors at home, you can share a T1 connection to your home. You can connect your neighbors t your T1 line with wireless equipment and share the cost.