Hi, RFC3680 defines a SIP event package for registration. This event package which can be used through NOTIFY-SUBSCRIBE methods, seems very useful for free sitting or presence applications.
This package is supported in various SIP phones (at least Thomson ST2030) : when turned on, this feature adds a new login/logout menu among other things. It can also be used to send Welcome notices to mobile users : whenever a mobile user comes in, a SIP MESSAGE is sent by a software application which has previously subscribed to be notified of any registration event related to this mobile user. It appears Asterisk supports SIP NOTIFY-SUBSCRIBE methods. But I couldn't find any trace of this specific Registration Event package support (but I won't swear I searched the right way). How can I make sure this feature is supported or not ? More precisely, this Registration Event package support relies on these headers : SIP SUBSCRIBE "reg" Event SIP SUBSCRIBE "application/reginfo+xml" Accept SIP NOTIFY "reg" Event SIP NOTIFY "application/reginfo+xml" Content How shall I check ? Regards
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