Revolutionizing Faxing Passthru Method vs. Reinvited Reinvention

Protocol-based pass-through uses specific messages within the H.323 or SIP call control protocols to switch a voice call to a G.711 passthrough call. Enables the device to generate (or not) a new SRTP key upon receipt of a re-INVITE from the SIP UA associated with the IP Profile. The key appears in the SDP's ... Each transaction consists of a request that invokes a particular method, or function, on the server and at least one response. In this example, the ... To allow sending G711 passthrough faxes, compile SpanDSP plugin. To use the DTMF process info feature, select yes. Otherwise, select no. Default setting: yes. Select the fax passthrough method: None, NSE, or. ReINVITE. The transition between voice protocols and fax protocols requires that the Session Initiation Protocol (SIP) re-negotiate the call from voice to fax. This means ... Open the Gateway General Settings page (Setup menu > Signaling & Media tab > Gateway folder > Gateway General Settings), and then from the 'Fax Signaling Method ... DTMF Process AVT: yes FAX Passthru Method: ReINVITE. DTMF Tx Method: AVT DTMF ... Hook Flash Tx Method: None FAX Disable ECAN: no. Release Unused Codec ... Save your changes and you should be able to send and receive T38 faxes through your PBX now. Set your Phone Number to send SIP Username instead of Number Dialed. 711a (rest of the world). Select Use pref. codec only as yes, Silence Supp Enable as no, Echo Canc Enable as no,and FAX Passthru Method as ReINVITE. Click ...