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SRST ephone config

Posted on 2013-11-06
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Last Modified: 2013-11-11
We have a remote site cube router with SRST licensed.  Normal call manager comes from CUCM back at Headquarters.  However, in looking at the cube router config, I see all our ephones defined.

In rebuilding the router, do those ephones need to be defined?  I thought it dynamically learns them from CUCM.  Does it just learn them then add them to the config?

What about the template -- what does that do?

Here's a sample of our config (some lines removed)

ephone-dn-template  1
 description manager
 call-forward busy 5555
!
!
ephone-template  1
 softkeys hold  Resume Newcall Join Select
 softkeys idle  Redial Newcall
 softkeys connected  Hold Endcall Park Trnsfer Confrn
 softkeys ringing  Answer
!
!
ephone-dn  1  octo-line
 number 12345
 label 12345
 description 12345
 name 12345
!

Thanks
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Question by:shanepresley
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jplagens earned 500 total points
ID: 39640092
It does automatically poplulate the ephones when it goes into SRST mode the first time.  If you save the running config it will save the ephones.

Which method are you running SRST?

Do you have the command:  call-manager-fallback

Or are you running CME as SRST fallback?  Which would usually show under telephony-service as something similar to:  srst mode auto-provision all

The ephone-dn templates simply define a set of parameters that you want common to a set of phones that you apply the templates against.  In your config all of the phones that you assign ephone-dn-template 1 will automatically forward to 5555 when their phone is busy.

ephone-template 1 is defining the softkeys in their various states.
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by:shanepresley
ID: 39640595
Thanks very helpful!  We use CME as SRST fallback.  So it sounds like on a new router I don't need to configure ephones.  And the templates can go also (since it comes from the phones directly)?

We never use CME on the router unless we're in SRST mode.  Normal operation is back to CUCM over the WAN.
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by:jplagens
ID: 39640615
The templates won't auto create. You need to define those before hand.  Typically, once you have the CUCM side and basic SRST provisioned "no shut" the WAN link to fallback to SRST mode.  That makes the router do the heavy lifting.  Once everything is in fallback mode save the config and then you can fine-tune it from there.  

You'll add items such a call park, meet-me conferences, conference bridges, transcoders, dial-peers, etc.
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