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New Member

dns srv integration of cucm and im & presence details

have anyone configure cucm in High Availability (2 servers) and IM & presence (2 servers) in high availability through DNS SRV in the two sides, please explain me how and how do you configure dns srv on dns and the sip trunk on cucm and presence gateway on im & presence.



Carolina Morales

  • Unified Communications Applications

I would look at this document

I would look at this document by Bill:

Basically you will need two subdomains

eg: and and you will need to configure the SRV records in each of the subdomains as illustrated. 

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New Member

thanks George, I've read the

thanks George, I've read the document, but I still have few questions.


- IM & Presence 9.1 on Presence Gateway configuration doesnt accept name as srv. Ex: so what to do there?

- what to write on cucm cluster name on service parameter? srv. fqdm of the cluster?

- what to write on service parameter on IM & Presence of srv cluster name?

I think that the document is missing some information to get it working.


Carolina Morales


New Member

Dear George,While creating an

Dear George,

While creating an SRV in In Windows i dont get any option of specifying a cluster name

" the 'cluster' name"  in the link from where did he got,, i have checked in infoblox and also in windows servers.



Hello,Looks at this wonderful


Looks at this wonderful document:


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It's refeshing that the blog

It's refeshing that the blog posts says that the docs are bare on this subject. I thought I was missing some part of the documentation. Maybe one for the PM/documentation team to pick up on.


Thanks for the link.



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Where in the CUCM docs are

Where in the CUCM docs are these SRV records detailed? I can only find mention that you can use SRV records.



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