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IBM Lotus Sametime 7.5.1 Release Notes
Sametime Gateway
Sametime capabilities are limited with external users
The Sametime Gateway supports awareness and instant messaging with external communities. Other
Sametime features, such as file transfer, n-way chat, and voice-chat are not available with external users.
Some options, such as rich text, are disabled when chatting with an external user. If a user tries to send
an emoticon, it is converted to a text symbol, such as :-).
Sametime Gateway
Sametime Gateway has limited NAT support
Network Address Translation (NAT) is supported between local Sametime community servers and
Sametime Gateway 7.5.1, but NAT is not supported between Sametime Gateway and the Internet,
because of a limitation in the SIP protocol.
A NAT-enabled firewall does not work with some Internet protocols, including the SIP protocol, which
Sametime Gateway uses to exchange messages with AOL Instant Messenger™, Yahoo! Messenger, and
other Sametime communities. However, NAT has no affect on the XMPP protocol, so exchanges using
Google Talk over XMPP would be permitted to pass through a NAT-enabled firewall that is between
Sametime Gateway and the Internet.
Sametime Gateway
Sametime servers 3.0, 6.5.1, and 7.0 require a SIP patch
Sametime servers 3.0, 6.5.1, and 7.0 require a SIP patch to connect to Sametime Gateway. A patch is
available from Lotus Support, so you can successfully connect Sametime Gateway to external Sametime
3.1, 6.5.1, or 7.0 servers. These patches need to be applied to older Sametime servers in external
communities.
Sametime Gateway
XMPP does not support Sametime Gateway clusters
You cannot use the XMPP translation protocol to connect to a Google Talk community over a Sametime
Gateway cluster. Use a single Sametime Gateway server if you want to set up a connection with the
Google Talk community.
Server issues
Sametime
Do not create a Name Change Task with a non -existent file
When creating a new Name Change Task, if you use a non-existent file, the function may not react
correctly and return JavaScript errors.
Sametime
Domino Web Administration does not support Firefox 1.5.x
When using Mozilla Firefox 1.5.x to access Sametime Web Administration, the linked Domino Web
Administration does not support using Firefox 1.5.x; only Firefox 1.0.x is supported by Domino.
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