ptime=20, 30, 40
In the SIP session, we can set ‘ptime’ parameter of SDP to negotiate RTP packages between two call parties. If one side has different idea about the RTP package size, it can send its own ‘ptime’...
View ArticleReject some free email systems
Recently lots of customers report that they didn’t receive activation emails when they signed up miniSIPServer cloud accounts. Most of them are using free email systems, such as gmail, and so on. At...
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Reliability of Provisional Responses
As we know, RFC3262 defines SIP reliability of provisional responses. It is an old feature and miniSIPServer ( both local versions and cloud versions) can support it for a long time. When working with...
View ArticleSecurity problem
OpenSSL released new versions to fix several serious security problems. miniSIPServer uses the OpenSSL library to provide the SIP over TLS feature and we upgrade miniSIPServer to V40 (20230221)...
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Run miniSIPServer on Debian 12 (bookworm)
Debian 12 (bookworm) was released. It is the latest stable version and will be widely deployed in business environment absolutely. So we run and test the latest miniSIPServer on this system as usual....
View ArticleChecking DNS results
One of miniSIPServer cloud customers reported a bug that all his phones cannot register to the cloud system. We checked our networks and cloud nodes and found nothing. We tried to capture SIP messages...
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RequestURI parameter of external lines
When miniSIPServer sends out SIP messages, such as REGISTER or INVITE messages, to VoIP providers, it will add a parameter ‘user=phone’ after Request-URI. It is required by China Mobile network. In...
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Run miniSIPServer on Ubuntu 24.04 LTS (Noble Numbat)
Ubuntu 24.04 is the latest LTS (long-term support) version, so it will be deployed widely in business environment. We install miniSIPServer on this important version and make some tests. The result is...
View ArticleRefine miniSIPServer
As we know, miniSIPServer was developed about 20 years ago. Lots of services and features are added into miniSIPServer to support more and more customers. Recently we have reviewed all these services....
View ArticleConference room and others
miniSIPServer is upgraded to V60 which is the latest stable version for business development. The first big thing is “conference room” feature which provides conference calls for local users. At most...
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