When you have started to work on CME, you will find that there are several types of shared DNs that is possible which allow great flexibility to fit your customer needs. In this post I will lay out 3 scenarios with configuration and expected result, so that you can get better understanding on how it works.
My environment: CME 7.0
Scenario 1 - one ephone DN for multiple ephone
ephone-dn 1 dual-line
number 4001
ephone 1
button 1:1
ephone 2
button 1:1
- When receive a call to 4001, both ephone 1 and 2 will ring.
- ephone 1 answers call, ephone 2 in remote in use state
- another incoming call will go to ephone 1 second channel
- yet another incoming call - will busy out, the call will not roll over to ephone 2
- ephone 2 can't use that line for outgoing call
Scenario 2 - 2 ephone-dn with same number with preference
ephone-dn 1 dual-line
number 4001
preference 1
ephone-dn 2 dual-line
number 4001
no huntstop
huntstop channel
ephone 1
button 1:1
ephone 2
button 1:2
- ephone-dn 2 is preferred to ring when somebody calls 4001
- no huntstop on ephone-dn means it continues to search for another ephone-dn with the same number, so the call will roll over to ephone 1 when ephone-dn with at least 1 channel occupied, because of the huntstop channel command
Scenario 3 - 2 ephone-dn overlays to the same button
ephone-dn 1 dual-line
number 4001
preference 1
ephone-dn 2 dual-line
number 4001
no huntstop
huntstop channel
ephone 1
button 1o1,2
ephone 2
button 1o1,2
- Both phones will ring. Say for example ephone 1 answers the call, ephone 2 still able to receive new incoming calls to 4001, and make call using the line 4001
- When ephone 1 answers the call, a new call to 4001 coming in and ephone 2 will ring, without showing call waiting on ephone 1
- If you want call waiting, then use "c" instead of "o"
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