Cisco Cisco IOS Software Release 12.2(11)YU

Workaround—Do not shut down the E1 or T1 controller before changing its tdm clock configuration. 
Based on the example shown above, the following configuration will work:

    controller T1 0/0

    no ds0-group 0 timeslots 1-24

    no tdm clock T1 0/0

    controller T1 0/1

    no ds0-group 1 timeslots 1-24

    no tdm clock T1 0/1

    tdm clock T1 0/0 voice export line

    tdm clock T1 0/1 voice import T1 0/0 internal

    controller T1 0/0

    ds0-group 0 timeslots 1-24 type e&m-wink-start

    controller T1 0/1

    ds0-group 1 timeslots 1-24 type e&m-wink-start

The following sections describe the documentation available for the Cisco ICS 7750. Typically, these 
documents consist of hardware and software installation guides, Cisco IOS configuration and command 
references, system error messages, feature modules, and other documents.

Documentation is available as printed manuals or electronic documents, except for feature modules, 
which are available online on Cisco.com and the Documentation CD-ROM.

Use these release notes with the documents listed in the following sections:

The following documents are specific to Release 12.2 and apply to Release 12.2(11)YU. They are 
located on Cisco.com and the Documentation CD-ROM:

Release Notes for Cisco IOS Release 12.2(11)YU

To reach the Release Notes for Cisco IOS Release 12.2(11)YU on the Cisco 1CS 7750 from 
Cisco.com, click this path:

To reach the Release Notes for Cisco IOS Release 12.2(11)YU on the Cisco 1CS 7750 on the 
Documentation CD-ROM, click this path:

Product Documentation: Cisco IOS Software: Release 12.2: Release Notes: Cisco 
Integrated Communications System 7750: Release Notes for Cisco IOS 
Release 12.2(11)YU on the Cisco ICS 7750