1. VoIP Server Software Comparison of Top VoIP Server Software

2. Comparison of VoIP Server Software O VoIP stands for Voice over Internet Protocol O Phone calls using the Internet infrastructure O VoIP server software being compared: O AS5300 O Asterisk PBX O Cisco Unified Communications Manager O FreeSWITCH O sipX ECS IP PBX

3. AS5300 O Operating System O Linux, Windows Server 2003 O Licensing O Closed O Compatible with O SIP, UNIStim, MLPP O Encryption O SSL, TLS, SRT, SDESC

4. Asterisk PBX O Operating System O Linux, Mac OS X, Solaris O Licensing O GPL, Freeware O Compatible with O SIP, H.323, IAX O Encryption O TLS, SRTP

5. Cisco Unified Communications Manager O Operating System O Linux O Licensing O Proprietary O Compatible with O SIP, H.323, SCCP, MGCP O Encryption O TLS, SRTP, SSL

6. FreeSWITCH O Operating System O Windows, Linux/BSD, Mac OS X, Solaris O Licensing O Mozilla Public License, Freeware, Open Source O Compatible with O SIP, NAT-PMP, STUN, SIMPLE, XMPP, Google Talk, IAX, H.323, MRCP, RSS, Skype O Encryption O TLS, SRTP, ZRTP

7. sipX ECS IP PBX O Operating System O Linux O Licensing O L-GPL, Open source O Compatible with O All native SIP Call Control O Encryption O HTTPS, TLS

8. Overview O AS5300 wins in security encryption O Asterisk PBX, FreeSWITCH, and sipX ECS IP PBX supports free development of software O FreeSWITCH is compatible with most commonly used protocols O FreeSWITCH is compatible with most commonly used operating system O Asterisk, Cisco, and sipX ECS are better suited for large enterprise

9. Connect O Contact Colocation America for more information about VoIP services www.ColocationAmerica.com 1.800.296.8915 sales@colocationamerica.com

10. Thank You