all I know, a fairly old asterisk installation. Is there any way to debug T.38 handshaking issues? We have a C3 Voice Switch with link to the Asterisk server. I see this Dialogue: C3 => Asterisk => Invite g711 Invite T.38 Version:0 RateManagement:transferred..
List I work at an SIP Provider and we have added and SBC in front of our Voice Switch to protect it. This requires all our SIP Trunk customers to register via a proxy. I struggle with Asterisk to work over a proxy. This is what I have done so far. regis..
Hello Lets assume we have this situation: Call => SIP TSP => Asterisk1 => IAX2 => Asterisk2 => SIP/ATA => Fax I have two Asterisk Servers in two branch offices, which are interconnected by IAX2 and the Switch functionality. Asterisk1 is connected..
HelloWe had this situation:Some bot-net did try to guess SIP logins and finally succeeded. The Asterisk Server was abused to call a large number of expensive destinations.It is clear that the sip logins have been passed to various persons (probably pos..