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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