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Were having some intermittent network difficulties that may affect the Asterisk community services listed below. You may experience an outage for a few minutes sometime during the next 30 minutes to an hour while we swap out some networking equipme..
As system administrator, monitoring the continuity of services is vital. Today I would like to highlight some tools that could come in handy for VoIP monitoring.NagiosFor those of you who didnt know it, Nagios can be configured to monitor pretty m..
A remote attacker with a valid SCCP ID can use this vulnerability by closing a connection to the Asterisk server when a station is in the Off Hook call state and crash t..
On Sunday, April 29th, 2012, the Asterisk community services listed below will be undergoing maintenance (software upgrades and updates). The services will be shut down at approximately 9:00 PM CDT (2:00 AM April 30th UTC), and will return no la..
In the Skinny channel driver, KEYPAD_BUTTON_MESSAGE events are queued for processing in a buffer allocated on the heap, where each DTMF value that is received is placed on the end of the buffer. Since the length of the buffer is never checked,..
A user of the Asterisk Manager Interface can bypass a security check and execute shell commands when they lack permission to do so. Under normal conditions, a user should only be able to run shell commands if that user has System class authorizati..
If you were asking if E&M over E1 signalling works on top of R2, ISDN and where can you find a sample Dahdi configuration? Then, no it doesn’t. E&M signalling is the same layer as R2 and ISDN. It is an alternative to them, not anot..
Decrementing the CSeq header field value is directly in violation of RFC 3261. From section 22.2: When a UAC resubmits a request with its credentials after receiving a 401 (Unauthorized) or 407 (Proxy Authentication Required) response, it M..
Today marks another milestone in the Adhearsion project: the release of Adhearsion 2.0. There has been a fury of activity in the last few days as we have worked hard to update documentation and release a brand new look-and-feel for the Adhearsion websi..
The Asterisk Development Team has announced the release of Asterisk 10.3.0. This release is available for immediate download at http://downloads.asterisk.org/pub/telephony/asteriskThe release of Asterisk 10.3.0 resolves several issues reported by the commun..