Fax Passthru Breakthrough None vs. Reinvite Innovation

When a re-invite is received with G711 and silence suppression is off as part of retrieve request, the call is not treated as fax transition ... To use the DTMF process info feature, select yes. Otherwise, select no. Default setting: yes. Select the fax passthrough method: None, NSE, or. ReINVITE. 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. If direct IP = yes and Initial... = no, then CM will send the first invite with a c= line for media to be on a gateway and a reinvite with the c ... 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 ... you need to find out what method the provider uses for T38 (FEC or redundancy method) ... * FAX Passthru Method: None *. • FAX Passthru Method: ReINVITE. * FAX ... Passthrough or VBD is a transport method for passing modulated data such as fax, modem, and text telephone protocols over an IP network. FAX Passthru Codec, G711u. DTMF Process INFO, yes, FAX Codec Symmetric, yes. DTMF Process AVT, Yes, FAX Passthru Method, ReINVITE. DTMF Tx Method, Auto, DTMF Tx ... In an inbound fax call to an analog fax machine, after an RTP session is established a re-invite is sent from CM to SM with M attribute as ... 38 mode immediately (0 seconds) or after the specified time interval (1-20 seconds). Fax Voip FSP sends T.38 re-invite to the other side without waiting for T.