By Flavio E. Goncalves
It is a useful, hands-on publication established round a fictitious case research VoIP supplier that you'll construct on a improvement server utilizing OpenSIPS 1.6. The case research grows bankruptcy by means of bankruptcy, from fitting your neighborhood improvement server, correct as much as the completed VoIP supplier. This publication is for readers who are looking to know how to construct a SIP supplier from scratch utilizing OpenSIPS. it truly is appropriate for VoIP prone, huge corporations, and universities. Telephony and Linux event could be invaluable yet isn't crucial. Readers needn't have earlier wisdom of OpenSIPS. This ebook also will aid readers who have been utilizing OpenSER yet are actually stressed with the recent OpenSIPS.
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Additional resources for Building Telephony Systems with OpenSIPS 1.6
It is used for purposes of identification. The tag parameter is used in the TO and FROM fields. It serves as a general mechanism to identify the dialog, which is a combination of the Call-ID along with the two tags—one from each participant in the dialog. Tags can be useful in parallel forking. Call-ID: This contains a globally unique identifier for this call generated by the combination of a random string and the hostname or IP address from the IP phone. A combination of the To, From, and Call-ID tags fully defines an end-to-end SIP relation known as a SIP dialog.
Call-ID: This contains a globally unique identifier for this call generated by the combination of a random string and the hostname or IP address from the IP phone. A combination of the To, From, and Call-ID tags fully defines an end-to-end SIP relation known as a SIP dialog. CSeq: The CSEQ or command sequence contains an integer and a method name. The CSEQ number is incremented with each new request inside a SIP dialog and is a traditional sequence number. Contact: This contains a SIP URI, which represents a direct route to contact userA, usually composed by a username and a FQDN (fully qualified domain name).
32 ] This material is copyright and is licensed for the sole use by Betty Vaughan-Pope on 1st February 2010 2601 S Broadway St, Unit 29, La Porte, , 77571 Chapter 2 Usage scenarios OpenSIPS is primarily used as a SIP proxy and REGISTRAR. However, it can be used in some other applications such as a proxy dispatcher/balancer, Jabber Gateway, Presence server, SIP multirouter, and NAT traversal together with Media Proxy and RTP Proxy. It supports IP versions 4 and 6, and can serve multiple domains.