Features (2 of 6)

SIP

Feature

Description

Call conference

An audio path for multiple parties on a single call, established via user keystrokes and no outside intervention.

Call drop

Terminates a call without hanging up the receiver.

Call forward all

Redirects all calls to another station or location.

Call forward on busy

Redirects all calls to another station or location when the user's is busy.

Call forward on no answer

Redirects all calls to another station or location after a specified number of rings.

Call hold

Places an incoming call on hold or retrieves a call placed on hold.

Call pick-up

Allows a user to place a call on hold, then resume it from another phone in the system.

Call return

Calls back the last incoming number.

Call transfer

Redirects an answered call to another user.

see RFC 3891 -- for ‘Attended Transfer’ and ‘Retrieve from Call Park

Call waiting

An audible indicator heard when there is another call pending.

Caller ID

Displays the name and/or number of the calling party.


Transcript

And there's been long battles,