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a question about FXS and FXO attendant DN

baselzind
Level 6
Level 6

im setting up a MGCP with FXS and FXO , im confused about the  attendant DN , with FXO when i set the attendant DN number , it means this is the extension on cucm any incoming calls on that FXO will ring , but with FXS what does attendant DN do? what happens when u put a certain number there?

3 Replies 3

Brandon Buffin
VIP Alumni
VIP Alumni

Attendant DN is not applicable to FXS ports. Not sure what version of CUCM you are running. There was a bug for attendant DN showing up for MGCP GS/LS config. If you add as POTS port instead of GroundStart/LoopStart the problem is not present. See the bug below.

 

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCtf22348/?rfs=iqvred

 

Brandon

my version is 12.5 , im very confused , should i leave it empty?

Yes, leave it blank.

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