Product Information:

     Cisco Unified CallManager Express: All Versions Documentation

     Cisco Unified CME Supported Firmware, Platforms, Memory, and Voice Products

     Cisco Unified CallManager Express 4.X Datasheet

     Cisco Unified CallManager 4.3 Product Overview 

     Cisco Unified CME and Cisco IOS Release Compatibility Matrix

     Cisco Unified CME Localization Matrix

Design:

     Cisco Unified CME Solution Reference Network Design Guide (SRND)

     Cisco Unified Communications System Product Comparison

     IP Comm Express Solution for Sm/Med Sized Offices or Branch CME with CUE

     IP Communications Express - Quote Builder

     Traffic Analysis for Voice over IP (Erlang Models Explained)

Design Calculators:

     Cisco Power Calculator

     Cisco DSP Calculator

     Cisco Codec Calculator

Adminstrator Guides:

     System Administrator Guide  

     Cisco Unified CME Configuration Guide for SIP IP Phones

     Command Reference

Deployment Tips:

     Cisco Unified CME 4.0(3) Extension Assigner

     Parallel / Blast Hunt Groups 

QCT:

     Cisco IP Communications Express Quick Configuration Tool (QCT)

     Cisco Unified Communications Express - QCT User Guide

     Cisco Unified Communications Express - QCT Work Sheets

Troubleshooting:

     Troubleshooting Guides

Scripting:

    Cisco Unified CME B-ACD and Tcl Call-Handling Applications

     Example B-ACD Script

Firmware Information:

     Converting a 7940/7960 SCCP to SIP (Phone FIRMWARE Versions explained)

     Upgrading & Converting Cisco Phone Firmware Files (More information on Phone FIRMWARE Versions)

Development:

     Telephony Service Provider (TSP) 2.0 and Later Setup Guide

     Telephony Service Provider (TSP) 2.0 and Later Developer's Guide

     TAPI Developer Guide for Cisco CME/SRST 

     XML Developer Guide for Cisco Unified CME/SRST

     Cisco IP Phone BTXML Version 2.0 Application Development Guide

     Creating Idle URL Using Graphics on Cisco IP Phone

SIP Information:

     Cisco IOS Voice Configuration Library

     Cisco IOS SIP Configuration Guide

     Cisco Unified CME Configuration Guide for SIP IP Phones

     SIP Service Provider 

Phones:

     Cisco IP Phones

     Cisco Unified IP Phone Quick Reference Cards in Multiple Languages

     Cisco Unified IP Phone Documentation for Cisco CME 3.2 and Later

     Adding Custom Rings 

Tips & Tricks:

     Meet-Me Conferencing in Cisco CME - up to 64 people in a conference

     SCCP Analog (FXS) Ports

    CME Basic Automatic Call Distribution and Cisco Unity Express Auto Attendant Interoperation Configuration Example 

    Use Microsoft Outlook with Cisco Unified CallManager Express 

Related Sites:

     CME Resource Website

Cisco Unified CallConnectors

     Cisco Unified CallConnectors

Cisco Unity Express CUE

Documentation:

     Cisco Unity Express (All Versions): READ ME FIRST

     Cisco Unity Express for Cisco CallManager Express Task Flow

     Integrating Cisco CallManager Express and Cisco Unity Express

     Cisco Unified Messaging Feature Comparison

     Data Sheets 

Administrator Guides

     Cisco Unity Express GUI Administrator Guide for Cisco CallManager Express

     Cisco Unity Express CLI Administrator Guide for Cisco CallManager Express

     Cisco Unity Express Command Reference

Tips & Tricks:

     Enable caller id when receiving outside calls

     Transfer a Caller Directly into a Unity Express Mailbox

      How to use a non-dialable extension number for MWI

      CCIE Voice Notes Blog

Third Party Products:

      Unified Communications Applications Central (Supported Third Party Applications)

      Stonevoice - Billing application and other 3rd party applications