Privacy Policy

 [[NOTE TO MERCHANT: Please read and remove/replace text wrapped in double square brackets like this]][[NOTE TO MERCHANT: This is a template Privacy Policy designed to cover your collection, use, and disclosure of personal information about visitors and customers of your Shopify-powered Site. Please review and customize the content so that it is tailored to your store and business practices regarding...

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SIP Protocol Messages

Requests INVITE Indicates that a user is being invited to join a session. ACK Confirms that client has received a response to the invite message. BYE Terminates a call. CANCEL Cancels any Pending Searches. OPTIONS Queries for Capabilities. REGISTER Registers the Address listed in the header field with a SIP Server Responses 1xx Informational Messages 100 Trying: Indicates that a request...

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G.729 and G.723 Codec installation on Asterisk

Installation and Configuration of G.729 and G.723 codecs on asterisk Download the codec binary file from http://asterisk.hosting.lv/bin/codec_g729-ast14-gcc4-glibc-pentium4.so Copy it to the /usr/lib/asterisk/modules folder. Restart the Asterisk: /etc/init.d/asterisk restart Estimating the Number of G.729 Channels Required If you choose to purchase the G.729 license from Digium you will...

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SIP Trunking - IP Based authentication and Password based authentication

SIP trunking is the method of sending calls to ITSP service provider using sip protocol.Indepth details refer RFC 3261 There are two types of authentications1. IP based authentication 2.Username and Password based authentication For IP Based AuthenticationYou need to do the following changes in the sip.conf[siptrunk]type=friendfromuser=X.X.X.X ( your asterisk server ip ) which will send traffic...

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Setup DKIM on Postfix with OpenDKIM

Introduction DKIM is an authentication framework which stores public-keys in DNS and digitally signs emails on a domain basis. It was created as a result of merging Yahoo's domainkeys and Cisco's Identified Internet mail specification. It is defined in RFC 4871. We will be using the OpenDKIM implementation Centos, OpenDKIM is a fork of dkim-milter. Installation yum...

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PHP 5.3 on CentOS/RHEL 5.11 via Yum

To install, first you must install the yum repository information: rpm -Uvh http://mirror.webtatic.com/yum/centos/5/latest.rpm   Now you can install php by doing: yum --enablerepo=webtatic install php   Or update an existing installation of php, which will also update all of the other php modules installed: yum --enablerepo=webtatic update ph...

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PHP5 with IMAP and SSL support

Building your own PHP with IMAP support is not that hard, but i noticed a lot of people tend to have problems when they want SSL support in it. You might run into stuff like this (when reconfiguring php f.e.): configure: error: utf8_mime2text() has new signature, but U8T_CANONICAL is missing. This should not happen. Check config.log for additional information. This exact same problem came...

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Apache: service httpd does not support chkconfig

As you know, when you installed your Apache service to your Centos/Redhat server manually (make & make install but not yum) and could like to run the service automatically, you should copy the apachectl from the Apache bin folder to /etc/init.d/ folder as named httpd. Then you might want to set the chkconfig and facing the error as below, 1 service httpd does not support chkconfig To...

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Issues with firewall on HW Node - Impossible to use ip_nat and ipt_state modules

Information Symptoms vary and may include: Some iptables rules are not working You see the following error when trying to create an iptables rule in the NAT table or when trying to use the STATE module: # iptables -t nat -L iptables v1.3.5: can't initialize iptables table `nat': Table does not exist (do you need to insmod?) Perhaps iptables or your kernel needs to be upgraded. # Cause This...

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