We performed a comparison between Aastra Clearspan and Cisco Unified Communications based on real PeerSpot user reviews.
Find out what your peers are saying about 3CX, Kamailio, Digium and others in Unified Communications.
Aastra Clearspan is ranked 24th in Unified Communications while Cisco Unified Communications is ranked 4th in Unified Communications. Aastra Clearspan is rated 0.0, while Cisco Unified Communications is rated 9.0. On the other hand, the top reviewer of Cisco Unified Communications writes "I find the ability to block incoming calls based on the originating number to be the best feature, but the reporting system needs to be more in-depth". Aastra Clearspan is most compared with , whereas Cisco Unified Communications is most compared with Fortinet FortiVoice, Cisco Jabber, Digium Asterisk, Siemens OpenScape and Skype for Business.
See our list of best Unified Communications vendors and best IP Telephony & Unified Communications vendors.
We monitor all Unified Communications reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.
