Information for Upgrading From Asterisk 1.0
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Agents:
* The default for ackcall has been changed to "no" instead of "yes"
because of a bug which caused the "yes" behavior to generally act like
"no". You may need to adjust the value if your agents behave
differently than you expect with respect to acknowledgement.
Dialing:
* The Caller*ID of the outbound leg is now the extension that was
called, rather than the Caller*ID of the inbound leg of the call. The
"o" flag for Dial can be used to restore the original behavior if
desired.
IAX:
* The naming convention for IAX channels has changed in a minor way such
that the call number follows a "-" rather than a "/" character.
Applications:
* The CallerPres application has been removed. Use SetCallerPres
instead. It accepts both numeric and symbolic names.