You have probably read about Nortel's Software Communications System 500 (SCS500), a Unified Communications (UC) SIP-centric software solution for SMB (30-500 users), and that our go to market includes IBM and Dell.
What you may not know is that the SCS500 is based on open source from SIPfoundry, and blends the best of both the open source framework and Nortel's experience and expertise in voice, data, multimedia and unified communications. Why did we choose sipXecs from SIPfoundry as the basis for SCS500?
Four primary reasons:
1. Our strategy is UC, and sipXecs is a native SIP solution consistent with our strategy. Asterisk on the other hand is focused on being a PBX replacement and is architected to switch audio streams with all media going through a centralized system.
2. Our strategy is user and application scalability which is what sipXecs delivers inside and out (technically sipXecs is architected around a SIP Proxy). Asterisk is architected as an end system (the technical term is a Back-to-back User Agent), providing transcoding to different legacy protocols (like H323) across a proprietary centralized core. Bottom-line: sipXecs is a distributed system that can scale in number of users and accommodate all the additional services necessary to deliver UC.
3. Our strategy is centered on delivering high Quality of Experience via peer communications, allowing voice or video streams to go directly between end points (keeping delays and bandwidth to a minimum). Contrast the sipXecs architecture with Asterisk's, the latter being modeled after a traditional PBX with all signaling and media bundled on the same path always.
4. Our strategy is centered on delivering Simplifications. sipXecs comes with sipXconfig, a complete and very comprehensive management system. Asterisk has nothing in this area.
SCS500 is the culmination of more than 250 groundbreaking contributions from Nortel into SIPfoundry (which has 2x the code base of the older Asterisk) , solidifying our leadership in the global open source ecosystem. Nortel also has an extensive developer community, with more than 60 developer partners and close to 400 active members.
SMBs probably don't care about open source as they do about accelerating their businesses through UC (like the big guys), having a system that grows with the business in size and scope; delivers consistent user experience and is easy to manage.