Howto Configure Cisco Unified Communication Express in GNS3

How to create Cisco VoIP lab with Cisco Unified Communication Express in GNS3

 

 

1. Brief

GNS3 version : 0.8.7
Cisco Router IOS : c3745-ipvoicek9-mz.124-11.XW7
CME version : 4.2
CIPC version : 8.6.4.0
Virtual Box version : 4.3.12

 

Cisco Unified CME and Cisco IOS version compatibility matrix

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/requirements/guide/33matrix.html

 

Cisco Unity Express Compatibility Matrix

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/unity_exp/compatibility/cuecomp.html

 

in this case, tftp server is built-in Cisco router 3745. So, must specify dhcp option 150 to CME source IP address. cnf file won’t be saved on flash:, but system:/its. 

 

2. Configurations

 

 

 

To access CME / GUI

https://192.168.77.200/telephony_service.html

 

 

3. Commands

# Cisco_CME# show voice register
# Cisco_CME#
 

 

4. Error messagees and Troubleshooting

 

# Cisco_CME(config-telephony)#create cnf-files
 Cannot currently create files.  Please verify CME configuration or wait until previous file ge            neration is complete, and then re-issue this command.
> Most of case, NTP is not setup yet. or IP source-address x.x.x.x is missing

 

# Cisco_CME(config-telephony)#create cnf-files

 Creating CNF files
%Error deleting flash:SEPDEFAULT.cnf (No such file or directory)
%Error deleting flash:XMLDefault.cnf.xml (No such file or directory)

> Check GNS3 flash: is writable. Try command ‘erase flash:’ instead of ‘format flash:’

 

Error#3 Cisco IP phone is constantly rebooting for looking ‘term61.default.loads’ file

Aug 31 04:06:12.399: TFTP: Looking for term61.default.loads
Aug 31 04:06:13.059: TFTP: Looking for term61.default.loads

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