Hi Alex,
You are right on the money :)
The following procedure refers to Cisco Unified CallManager Release 4.1.
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Note In this procedure, the term Cisco Unified CallManager refers to both Cisco Unified CallManager and Cisco Unified Communications Manager.
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Procedure
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Step 1 Go to http://ccm-server/ccmadmin/main.asp, where ccm-server is the fully qualified domain name or IP address of the Cisco Unified CallManager server.
Step 2 Log in with your Cisco Unified CallManager administrator username and password.
Step 3 Add the gateway to the Cisco Unified CallManager database by completing the following actions:
a. Click Device > Gateway.
b. In the top right corner, click Add a New Gateway.
c. Select the H.323 Gateway type.
d. Select the H.225 device protocol.
e. Click Next.
f. Configure the fields
g. For all other required fields, configure them appropriately for the current Cisco Unified CallManager deployment. For information about each field, see the Cisco Unified CallManager online help or the administration guide for your specific Cisco Unified CallManager release.
h. Click Insert.
Step 4 Add the route pattern to the Cisco Unified CallManager database by completing the following actions:
a. Click Route Plan > Route/Hunt > Route Pattern.
b. In the top right corner, click Add a New Route Pattern.
c. Configure the fields
d. Click Insert.
Step 5 If you have multiple Cisco Unified MeetingPlace Express access numbers, repeat Step 4 for each access number, including the following:
•Meeting phone numbers entered on the Usage Configuration page
•Direct meeting dial-in numbers
Step 6 Proceed to the "Configuring Cisco Unified MeetingPlace Express: Connecting to Cisco Unified Communications Manager" section.
http://www.cisco.com/en/US/docs/voice_ip_comm/meetingplace_express/2_0/english/administration/guide/cm20call.html#wp1101111
For SIP integration with Cisco Unified CallManager Release 5.0, Cisco Unified MeetingPlace Express requires Cisco Unified CallManager Release 5.0.4 or later.
http://www.cisco.com/en/US/docs/voice_ip_comm/meetingplace_express/2_0/english/release/notes/b_rn20.html
Hope this helps!
Rob
