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CTS1300 upgrade


I am looking to upgrade a CTS1300 from 1.6.4 to 1.9. Is this a stepped upgrade through 1.7.4? Is there a document that outlines an upgrade path? Also, how do I upgrade the phone Midlet along the way?

Thanks in advance!

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Cisco Employee

Re: CTS1300 upgrade

Hi George,

This guide covers the upgrade procedure:

The mildets need to be upgraded separately and the guide is here:


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Cisco Employee

Re: CTS1300 upgrade


No release key is required to upgrade the CTS units, and the DLUs are the only licensing consideration for the CTS endpoints. You may need a valid support contract to download the firmware from CCO.

It is also worth noting that if you have a CTS-Manager you will need to generate a license starting in version 1.7.



New Member

Re: CTS1300 upgrade

Hi Gentlemen,

Do we need to have a valid service contract in order to upgrade the CTS? I am asking because I don't see the requirement to insert release key unlike Tandberg endpoints.

Do we need a service contract to upgrade CUCM firmware as well?


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Re: CTS1300 upgrade

Hi Wee,

I am not Sure about CTS endpoint, but yes definately for CUCM , you need valid service contract..


New Member

CTS1300 upgrade


Make sure you look at the Compatibility Matrix for CTS 1.9

You may need a CUCM upgrade to support 1.9.

If you are upgrading from a pre CUCM 8.0 release, make sure you understand the upgrade process and the new Security By Default, implemented in CUCM 8