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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    FreeConference.com

    Score8.5 out of 10
    N/AFreeConference is a telephony and VoIP software solution from FreeConference.N/A

    Kamailio SIP Server

    Score9 out of 10
    N/AThe Kamailio SIP Server, formerly known as OpenSER or SER, is an open source VoIP and communications platform.N/A
    Pricing
    FreeConference.comKamailio SIP Server
    Editions & Modules
    No answers on this topic
    No answers on this topic
    Offerings
    Pricing Offerings
    FreeConference.comKamailio SIP Server
    Free Trial
    NoNo
    Free/Freemium Version
    YesNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details——
    More Pricing Information
    Features
    FreeConference.comKamailio SIP Server
    Cloud PBX
    Comparison of Cloud PBX features of FreeConference.com and Kamailio SIP Server
    Feature
    FreeConference.com
    10.0
    1 Ratings
    23% above category average
    Kamailio SIP Server
    8.0
    1 Ratings
    1% above category average
    Call reports10.01 Ratings8.01 Ratings
    Hosted PBX00 Ratings8.01 Ratings
    Multi-level Interactive Voice Response (IVR)00 Ratings9.01 Ratings
    User templates00 Ratings7.01 Ratings
    Directory of employee names00 Ratings8.01 Ratings
    Call Management
    Comparison of Call Management features of FreeConference.com and Kamailio SIP Server
    Feature
    FreeConference.com
    9.0
    3 Ratings
    9% above category average
    Kamailio SIP Server
    8.4
    1 Ratings
    2% above category average
    Call recording9.03 Ratings8.01 Ratings
    Answering rules00 Ratings9.01 Ratings
    Call park00 Ratings9.01 Ratings
    Call screening00 Ratings8.01 Ratings
    Message alerts00 Ratings8.01 Ratings
    VoIP system collaboration
    Comparison of VoIP system collaboration features of FreeConference.com and Kamailio SIP Server
    Feature
    FreeConference.com
    8.0
    3 Ratings
    1% above category average
    Kamailio SIP Server
    7.5
    1 Ratings
    6% below category average
    Video conferencing8.02 Ratings7.01 Ratings
    Audio conferencing8.03 Ratings8.01 Ratings
    Video screen sharing00 Ratings7.01 Ratings
    Instant messaging00 Ratings8.01 Ratings
    Best Alternatives
    FreeConference.comKamailio SIP Server
    Small Businesses
    CallFire
    Score9.7 out of 10
    CallFire
    Score9.7 out of 10
    Medium-sized Companies
    Fuze
    Score8.2 out of 10
    Fuze
    Score8.2 out of 10
    Enterprises
    Cisco Unified Communications Manager (Call Manager)
    Score8.3 out of 10
    Cisco Unified Communications Manager (Call Manager)
    Score8.3 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    FreeConference.comKamailio SIP Server
    Likelihood to Recommend
    8.0
    (3 ratings)
    9.0
    (1 ratings)
    User Testimonials
    FreeConference.comKamailio SIP Server
    Likelihood to Recommend
    iotum
    FreeConference.com is best suited when the big-name video conferencing brands are simply not working. It offers an alternative when compatibility seems to be an issue when attempting to video conference. It is less appropriate for first invitations since most people are not familiar with the brand.
    Incentivized
    Read full review
    Open Source
    Kamailio SIP Server is very well suited if you want to secure your main servers; it can perfectly act as a proxy server and a gateway to your main server. It also does load balancing and call transfers easily based on the configurations done.
    Incentivized
    Read full review
    Pros
    iotum
    • I love the ability to make long distance calls without charge.
    • I was delighted when they added the ability to screen share and show my slides to my customers.
    • I also love that FreeConference.com immediately provides replays of your meetings - in case somebody wasn't able to attend live.
    Incentivized
    Read full review
    Open Source
    • Proxy server.
    • Security Firewall.
    • SIP to PSTN gateway.
    Incentivized
    Read full review
    Cons
    iotum
    • Not being able to use 800 number (toll free).
    • The website interface could be spruced up a bit.
    Incentivized
    Read full review
    Open Source
    • Interportability
    • SIP conversions.
    Incentivized
    Read full review
    Alternatives Considered
    iotum
    Call quality is very similar to the above products. However, most of our community partners and collaborators are not aware of FreeConference and are thus less able to utilize it without prompting and sometimes assistance from us.
    Incentivized
    Read full review
    Open Source
    As Kamailio SIP Server is an open source, the major impact is on cost; it's free to use compared to any other Softswitch or server in the market. You can also customize it to your need and use the features that you need, which is one of the major plus points for the Kamailio SIP Server. And one server is enough to handle thousands of calls simultaneously.
    Incentivized
    Read full review
    Return on Investment
    iotum
    • BEST ROI ever! It's all free and has let me access people globally. Thanks!
    Incentivized
    Read full review
    Open Source
    • As its open source ROI is excellent.
    Incentivized
    Read full review
    ScreenShots