Aastra 5000 is ranked 26th in Unified Communications while Kamailio SIP Server is ranked 5th in Unified Communications. Aastra 5000 is rated 0.0, while Kamailio SIP Server is rated 0.0. On the other hand, Aastra 5000 is most compared with , whereas Kamailio SIP Server is most compared with Digium Asterisk, 3CX Live Chat, Skype for Business, Huawei SoftCo and Cisco Unified Communications.
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