Will the built-in T.38 support eliminate the need for spandsp? I'm curious how this will affect iaxmodem. MD
_____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rob Hillis Sent: Saturday, February 23, 2008 7:12 AM To: Asterisk Users List Subject: Re: [asterisk-users] FXO Cards - T38 T.38 is a codec in exactly the same way that GSM or G.729 is a codec, so yes it can be used at the same time as any other codec - just that only one codec will be used at a time. What often happens is that the call will initially be established with a codec such as G.729 or G.711a, but once fax tones are detected the call will change codecs to T.38. According to the release notes for 1.6.0-b4... - 11873, Added core API changes to handle T.38 origination and termination (The version of app_fax in Asterisk-addons now supports this.) This should be all that is necessary to run a T.38 gateway. Steve Underwood wrote: Rob Hillis wrote: Not unless you're running CallWeaver or Asterisk 1.6.0-beta4. Asterisk has had passthrough support for T.38 for a while (somewhere in 1.4 it became available IIRC) but is currently completely incapable of terminating or encoding a fax call to T.38. I thought * was still not capable for T.38 gateway operation. Doesn't beta 4 just added T.38 termination? And, I believe it misses out some key elements of doing that properly. Note that T.38 termination is an addon, so it can't be used with, say, G.729. The only real option available at the moment is to keep one PSTN line on an ATA with an FXO port and T.38 support available and direct calls from the fax machines through to it. However, I should point out that while I believe this should be possible, I haven't actually tried it myself. Steve _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
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