While the SIP protocol is one of the most popular protocols used for voice calls, the SMPP (Short Message Peer-to-Peer) is one of the most widely used protocols for sending text messages. Having both of them offered by your service enhances your platform with more compatibility and flexibility. In order for your customers to have … Continue reading Gateway between SIP and SMPP messages
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The distributed SIP user location support is one of the major features of the latest stable OpenSIPS release, namely 2.4. The aim of this extension of the OpenSIPS usrloc module is to provide a horizontally scalable solution that is easy to set up and maintain, while remaining flexible enough to cope with varying needs of … Continue reading Clustered SIP User Location: The “Full Sharing” Topology
There are scenarios where you need OpenSIPS to route SIP traffic across more than one IP interface. Such a typical scenario is where OpenSIPS is required to perform bridging. The bridging may be between different IP networks (like public versus private, IPv4 versus IPv6) or between different transport protocols for SIP (like UDP versus TCP … Continue reading SIP bridging over multiple interfaces
The SIP redirect mechanism is a simple and straight forward one - the originally contacted destination indicates, via a 3xx reply, that a different set of destinations should be contacted. The SIP redirect is mainly used for calls (for INVITE requests), even if the RFC3261 does not limit it to that. Usage cases The primary … Continue reading Handling SIP Redirect Requests in realtime
The advantages of doing Load Balancing and High Availability without any particular requirements from the clients side are starting to make Anycast IPs more and more appealing in the VoIP world. But are you actually using the best out of it? This article describes how you can use OpenSIPS 2.4 to make the best use of … Continue reading Full Anycast support in OpenSIPS 2.4
The "usrloc" module will benefit from a significant revamp in OpenSIPS 2.4. In this article, we're going to take a brief look at the newly-introduced usage dynamics of the module and how we can exploit them to the fullest. Clustering: Then By using a pre-2.4 version of OpenSIPS, you really did not have a straightforward way … Continue reading Scaling, Distributing and Partitioning Registrations with OpenSIPS 2.4
What are our users really talking about all the time? Let's find out! RTPEngine is a proxy for RTP traffic and other UDP based media for VoIP and webRTC., meant to be used in OpenSIPS and other proxies as a drop-in replacement for rtpproxy with many advanced features, including: webRTC support as ICE and SRTP Bridging … Continue reading Audio Recording and Speech Detection Experiments with OpenSIPS
Happy New Year 2018! In this follow-up article, we're going to take a look at a major feature that Santa merged into the OpenSIPS development branch, just about a couple of days before Christmas: a series of advanced FreeSWITCH integration capabilities. It is now possible to fully control FreeSWITCH within the OpenSIPS script. This is … Continue reading How To Script Advanced FreeSWITCH Integrations with OpenSIPS 2.4
Over at FreeSWITCH, as an open-source multimedia software, we rely on our community for support. We like to foster that support by producing resources for our community. Whether it is FreeSWITCH tutorials, ClueCon Weekly Conference calls, or the ClueCon Community conference, giving to the community has always been important to us. We are always excited … Continue reading FreeSWITCH Integration Video
Whether you are a seasoned OpenSIPS administrator or you are still trying to figure out why your ACKs are looping all over your network, one thing is for certain: all of us will sooner or later need to have OpenSIPS produce some numbers which will answer questions such as: how many minutes has my OpenSIPS … Continue reading Deep Dive into the OpenSIPS Statistics Support
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