{"id":74,"date":"2015-12-31T22:52:39","date_gmt":"2016-01-01T05:52:39","guid":{"rendered":"http:\/\/iandtech.com\/?p=74"},"modified":"2016-01-15T08:39:30","modified_gmt":"2016-01-15T15:39:30","slug":"voice-project-2015","status":"publish","type":"post","link":"https:\/\/henryquach.info\/index.php\/2015\/12\/31\/voice-project-2015\/","title":{"rendered":"Voice Project"},"content":{"rendered":"

What is a PBX?<\/strong><\/p>\n

PBX stands for Private Branch Exchange, which is a private telephone network system used in company. Users can communicate with each other via extensions and share outbound line for making external calls. For example: long distances\u2026<\/p>\n

Benefits of PBX
\n<\/strong><\/p>\n

Cost effective
\nRun on existing network
\nEasy to scalable and more<\/p>\n

 <\/p>\n

\"Voice<\/p>\n

<\/p>\n

Requirement:<\/strong><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Software: <\/strong>Deploy Voip system PBX in a flash on VPS using Linux OS ex: CentOS, Ubuntu or using distro FreePBX available.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Hardware: <\/strong>4 Xeon vCPUs, 3GB RAM, 40 GB SSD hard drives, 100mbps network connection, Ubuntu 14.04 LTS x64, higher is better performance.<\/p>\n

Processing Steps:<\/strong><\/p>\n

    \n
  1. Create extensions:\n
      \n
    • Using sip protocol, IAX<\/li>\n
    • Ext 1001, 1002, 1003\u2026<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
        \n
      1. Trunking with ITSP\n
          \n
        • Communicate between PBX to ITSP (Internet Telephony Service Provider)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
            \n
          1. Create inbound traffic\n
              \n
            • Traffic from ITSP goes to IVR, Ext, or Conference\u2026<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                \n
              1. Create outbound traffic\n
                  \n
                • Setup rules dial pattern, area code allowed go through ITSP<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                    \n
                  1. Setup DID number\n
                      \n
                    • Buy DID from ITSP callcentric, didx, voip.ms\u2026<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                        \n
                      1. Security:\n
                          \n
                        • CSF (ConfigServer Security&Firewall) on webmin<\/li>\n
                        • Allow IPs: allow access client connect to Voice Server<\/li>\n
                        • Deny IPs: block unwanted client want to connect Voice Server<\/li>\n
                        • SSH protection: changing default port 22 to others, banner protection<\/li>\n
                        • Fail2ban: unwanted will be blocked after 3-5 attempted<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                            \n
                          1. Control Panel:\n
                              \n
                            • Webmin, monitor system, setup cronjob<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                               <\/p>\n","protected":false},"excerpt":{"rendered":"

                              What is a PBX? PBX stands for Private Branch Exchange, which is a private telephone network system used in company. Users can communicate with each other via extensions and share outbound line for making external calls. For example: long distances\u2026 Benefits of PBX Cost effective Run on existing network Easy to scalable and more  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false},"categories":[2],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/posts\/74"}],"collection":[{"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":0,"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions"}],"wp:attachment":[{"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/media?parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/categories?post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/henryquach.info\/index.php\/wp-json\/wp\/v2\/tags?post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}