> In article <296076780.5348.1310743930593.JavaMail.root@zimbra>, > Richard Mudgett <[email protected]> wrote: > > > I would suggest Two B-Channel Transfer (TBCT), transferring to a > > > unique > > > number (received as DNIS by the other server) that would identify > > > the > > > call > > > as transferred from the first server and, perhaps, the reason for > > > the > > > transfer. > > > > > > It looks like TBCT may not have been implemented in Asterisk for > > > EuroISDN. > > > > > It is implemented in EuroISDN(ETSI). > > You need Asterisk 1.8 and libpri 1.4.12 to take advantage of the > > feature. > > Thanks. I had just a moment ago found the ETSI spec and then the > libpri > file rose_etsi_ect.c, so I was almost there! > > Does Asterisk implement actioning an ECT from the remote end (so as to > test with back-to-back Asterisks), or just support generating an ECT? > Yes, it does both ends. ETSI is the only switchtype that libpri implements initiating ECT and accepting ECT. Asterisk can initiate ECT to eliminate a tromboned call if the call is natively bridged and chan_dahdi.conf transfer=yes is configured.
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