abbreviations - What does ext. mean in telephone number? - English . . . ext is short for extension which is an internal number used within a PBX systems It is usually an additional short number and may or may not be related to the originally dialled number The extension number is usually requested and dialled once the caller is inside the local PBX system
Ext functor - Wikipedia In mathematics, the Ext functors are the derived functors of the Hom functor Along with the Tor functor, Ext is one of the core concepts of homological algebra, in which ideas from algebraic topology are used to define invariants of algebraic structures
Some members have #EXT# in email addresses and they dont come up in . . . Users with #EXT# in their email addresses are typically external guests, and they may need specific permissions to be included in the meeting Verify that external users have the necessary permissions to be invited to meetings