Call canceling may look like a trivial mechanism, but it plays an important role in complex scenarios like simultaneous ringing (parallel forking), call pickup, call redirect and many others. So, aside proper routing of CANCEL requests, reporting the right cancelling reason is equally important. How to properly handle CANCEL requests in OpenSIPS? According to RFC 3261, … Continue reading CANCEL request and Reason header
Tag: SIP
Offering protection and privacy to your SIP subscriber is something you must not overlook. The user passwords for SIP authentication are shared secrets that must be secured on the SIP platforms, in order to protect your subscriber against any data leaking. Usually, when you start building a platform, the subscriber passwords are kept in plain-text format … Continue reading How to avoid plaintext passwords ?
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