Avaya IP Office 8.1 Product Description page 258

T.38 Fax Fallback
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SIP Trunks and SIP Extensions can now configure the "Fax Transport Support" to "T38 Fallback" so
that outgoing fax calls use T38 fax, but when the called destination doesn't support T.38 and rejects
the call, a re-invite is sent for fax transport over G.711. Incoming audio calls that detect fax tones also
initiate fax transport using T.38 Fallback. This allows IP Office to support additional deployments where
T.38 fax may not be universally available.
Display Directory Name on In-Bound SIP Trunk Calls
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IP Office Manager will now include a configuration option that will allow the selection of either the CLID
or directory name as the default display for inbound calls. In previous IP Office releases only CLID
display was supported over SIP trunks for incoming calls. This enhances IP Office user experience by
providing the flexibility to select between personalizing the display with the personal or system
directory name, and seeing the default CLID.
Enhanced CLIR
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Enable SIP Trunk PAI and Privacy headers by default, and format "From, PAI and Privacy." This
feature allows caller and calling party anonymity while still providing the necessary billing and
traceability information (E911 services) to the network. This enhancement aligns the functionality with
implementation guidelines outlined in the SIPconnect 1.1 Technical Recommendation.
Early Media and Support for PRACK
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SIP trunks can be configured to support early media by adding "100rel to Supported" header in the
INVITE: This allows support for in-band announcements such as: branding from discount or bulk long
distance providers; caller comfort in terms of progress indications when extraordinary wait times are
inherent in the call scenario, for instance when trying to locate a cell phone; as well as, the ability to
provide country specific ring back and other progress tones. This feature also facilitates the ability to
set up conferences in the IP domain before call answer, for instance, in certain call recording scenarios
or for automatic dialers' conferencing in agents.
Product Description
IP Office 8.1
© 2012 AVAYA All rights reserved.
Page 258
Issue 26.k.- (16 August 2012)