1. AGM: annual general meeting

2. apt: apartment

3. asap:   as soon as possible 

4. co.: companny

5. ext.: extension(in a telephone number)

6. FYI: for your information

7. inv.: invoice

8. mo.: month

9. no. or #: number

10.mt.: meeting

11. N/A:   not applicable

12. impt.: important

13. RSVP: please reply or respond (used at the end of invitations to request a response)
14. ste.:suite
15.urg.: urgent
16.w/: with
17:w/o: without
18. cc.: carbon copy(used as an indication that a duplicate has been or should be sent to another person)
bcc: blind carbon copy
19.e.g.: for example
 i.e.   that is
21. etc.: etcetera, and so on
22.vs: Versus
23.p.s: postscript , after writing
24. n.b: take notice
hold on : wait

put ( a call) through:connect one caller to another
 get through:to be connected to someone on the phone
hang up: put the receiver down
 call up:make a telephone call
hang on: wait
call back:return someone’s call
 pick up:answer a call, lift the receiver to take a call
get off (the phone):stop talking on the phone
get back to (someone):return someone’s call
cut off : to be disconnected abruptly during a telephone conversation
switch off/turn off:deactivate (a cell phone)
speak up:talk louder

Separable	Not separable
put through	hold on
call back	get through
	hang up
	call up
turn off	hang on
pick up	speak up
get off	cut off
switch off	get back to