Dinstar UC2000 - Trunk; SIP Trunk

UC2000 User Manual
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Copyright @ 2011-2015 Dinstar
Parameter
Explanation
Name
The name of the ring group
Members Select
The extensions that are selected.
A same extension cannot be selected for two ring groups.
Before selecting extensions, you need to create extensions on the Extension 
SIP interface or the Extension  FXS interface first.
: Add an extension : Delete an extension
Strategy
The strategies for choosing which SIP extension to ring, including Sequence
(Ascending), Sequence (Cyclic Ascending), Simultaneous and Random
Ring Group Number
The number of the ring group
DID
Same with Ring Group Number; it is optional to fill in
Ring Time
The duration of ringing
Note: If ring group function has been set, the call forwarding function is unavailable.
4.8 Trunk
4.8.1 SIP Trunk
SIP trunk can realize the connection between UC2000 and IPPBX or SIP servers.