Fax Passthru Mastery A Showdown of NSE and ReINVITE

I am trying to configure a voice user to always use G.711u, that way, when sending a fax, there's no re-invite. Currently, a re-invite isn't possible. Passthru Method from: NSE to ReINVITE. FAX CED Detect Enable: Yes FAX CNG Detect Enable: Yes FAX Passthru Codec: G711a FAX Codec Symmetric: Yes FAX Passthru ... FAX Passthru Method Select the fax passthrough method: None, NSE, or ReINVITE. Default: NSE. DTMF Tx Method Select the method to transmit DTMF signals to the ... Fax PassThru Method = ReINVITE. Fax Process NSE= Yes Fax Disable Ecan ... I would also try changing (playing with) the FAX Passthru Method and the ... as yes, Silence Supp Enable as no, Echo Canc Enable as no,and FAX Passthru Method as ReINVITE. ... FAX Process NSE, yes. Hook Flash Tx Method, None, FAX ... and modem pass-through. Fax relay, G.722, G.726,. G.729a, and G.729ab ... request REINVITE sdp-header Audio-Attribute add "a=ptime:30". Pass-through is the standards based (protocol based) version of Passthrough, alternative to the NSE version of Passthrough that is Cisco ... Fax and Modem NSE Mode. In this mode, fax and modem signals are transferred using Cisco-compatible Pass-through bypass mode. Upon detection of fax or modem ... ... pass-through { g711ulaw | g711alaw } } ]. no faxprotocol. nse ... 38 fax relay and NSE attributes at the time of call setup. Do not ... This option is the time we wait after we got the CED, to get V21 flags. This is to avoid to send a SIP re-invite in passthrough and few ms after, when we ...