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CUCM 11.5 Restricted and Unity Connection 11.5 Unrestricted

Fedor Solovev
Level 1
Level 1

Hello, everybody.

The customer has CUCM and Unity unrestricted, and they have decided to migrate CUCM to Restricted version owing to have encryption.

I couldn't find any restrictions for integration of CUCM restricted and Unyty unrestricted, for not to order and upgrade Unity Connection server as well.

I guess that all limitations I can face are non-encrypted voice mails.

What do you think ?

1 Accepted Solution

Accepted Solutions

Hi Fedor,

From all i could gather such a mix of restricted CUCM and unrestricted CUC will work and there should be no issues with the same, no external references though about the mix and match scenarios ( restricted and unrestricted ) between various applications like CUCM , CUC and IM&P.

Manish

View solution in original post

6 Replies 6

Manish Gogna
Cisco Employee
Cisco Employee

Hi Fedor,

Such a deployment should work however this mix and match is not the recommended type of deployment. I would try to check for any official doc to support this if no one else provides it in the meantime.

Functionality
Restricted
Version of Connection
Unrestricted
Version of Connection

SSL for IMAP connections used to access voice messages

Enabled

Disabled

Secure SCCP, SIPS, and SRTP for call signaling and media

Enabled

Disabled

File replication in a Connection cluster

Uses 128-bit encryption

Uses 40-bit encryption

Communications among networked Connection servers or clusters

Uses SMIME

Uses unencrypted
MIME

HTH

Manish

Good day, Manish.

I looked through Compatibility Matrix of CUCM and Unity. It is said about of version compatibility but not mentioned about crypto features. What I mean is: Compatibility Matrix for Cisco Unity Connection

Table 17 Supported Version Combinations for Unity Connection and Cisco Unified Communications Manager
Cisco Unity Connection Cisco Unified Communications Manager
8.5 and Later

11.5(1), 11.0(1), 10.5(2), 10.5(1), 10.0(1), 9.1(2), 9.1(1), 9.0(1), 8.6(2), 8.6(1), 8.5(1)

Could you tell, please, how do you know that it is not recommended ?

Hi Fedor,

That is exactly the point, the compatibility matrices or install/admin guides do not mention any restriction with such a mix and match of restricted and unrestricted CUCM and CUC. However, some internal discussion do suggest it is not recommended. I will be able to look into this further tomorrow to see if i can find any official word on this , if you want a confirmation urgently then you may check with TAC or lets wait for someone to chime in on this post.

Manish

Manish,

it would be very kind of you to check this information when you will have time.

Hi Fedor,

From all i could gather such a mix of restricted CUCM and unrestricted CUC will work and there should be no issues with the same, no external references though about the mix and match scenarios ( restricted and unrestricted ) between various applications like CUCM , CUC and IM&P.

Manish

Hi, Manish.

Thank you.