From BladeWare release 2.4.0 and CopiaFacts release 8.1.0.87, the names of properties and variables which select media preferences have been changed to make them clearer to understand. OTFCONFIG has been changed to use the new names and will update the variable names in FAXFACTS.CFG when you re-select the preferences.  These variables are now set in FAXFACTS.CFG as environment variables and OTFCONFIG removes $var_def commands with the same names, though environment variables can still be overridden by $var_def commands.

The new variable names are as follows:

OTF_OUTBOUND_OFFER_MEDIA and OTF_OBDIRECT_OFFER_MEDIA

These settings dictate what media are placed in the initial INVITE that is sent by BladeWare for an outbound call.  The OBDIRECT value is used for direct calls (not via a service provider gateway) when the supplied phone number starts with a sip: prefix.

Defaultmulaw,alaw
Notes:There are circumstances where a user may want to put T.38 in the initial offer to avoid the re-Invite process, for example, a private network where it is known that all answers will accept a T.38 in the initial offer.  But the typical case is to have both mulaw and alaw in the initial offer, as BladeWare will handle either.  Commetrex have found the failure rate of a call into an ITSP or carrier network to be high if T.38 is anywhere in the initial offer, therefore, the default is mulaw,alaw.

OTF_INBOUND_ACCEPT_MEDIA

This setting dictates what media will be accepted by BladeWare for an inbound call.

Defaultt38udptl,mulaw,alaw
Notes:What media will be accepted in the initial Invite?  BladeWare will support an inbound Invite which contains either t38udptl,mulaw, alaw, or just t38udptl.  So, if a call comes in with T.38 in the initial invite, the T.38 operations will proceed without the need for a re-invite. Of course, there are applications which require G.711 only: if so, only put mulaw and/or alaw here.

OTF_INBOUND_OFFER_MEDIA

This setting dictates what media are placed in the re-INVITE (if it is sent) by BladeWare for an inbound call.

Defaultt38udptl
Notes:This determines whether BladeWare will issue a T.38 re-Invite for calls that begin in G.711 mode.  If you want to do this, put t38udptl here.  Otherwise, put mulaw and/or alaw.

OTF_OUTBOUND_ACCEPT_MEDIA and OTF_OBDIRECT_ACCEPT_MEDIA

These settings dictate what media will be accepted by BladeWare if it receives a re-INVITE after placing an outbound call. The OBDIRECT value is used for direct calls (not via a service provider gateway) when the supplied phone number starts with a sip: prefix.

Default:t38udptl,mulaw,alaw
Notes:This determines whether BladeWare will accept a T.38 re-Invite.  Here, if T.38 is omitted from the outbound Accept, the call will be G.711 only.

These variables will be placed in FAXFACTS.CFG by OTFCONFIG.  The notes above are summarized in the hints displayed in OTFCONFIG.