The system can support thousands of users and devices with high availability options, which is essential for large enterprises. CUCM integrates very well with other Cisco collaboration products such as Unity Connection and IM&P, providing a complete unified communications solution. Review collected by and hosted on G2.com.

Licensing and maintenance expenses may be somewhat higher than those of certain alternative solutions. Additionally, the administration panel's user interface is occasionally less intuitive, which can make troubleshooting more time-consuming if you lack the necessary expertise. Review collected by and hosted on G2.com.