1. 0 AndreXen – All rights reserved 2010 – 28 rue de Chateaudun – 75009 Paris – 00 33 1 72 74 15 90 – contact@andrexen.com September, 2009 Worldclass Unified Communication platforms for Next-Generation Voice Services

2. 1 AndreXen – All rights reserved 2010 – 28 rue de Chateaudun – 75009 Paris – 00 33 1 72 74 15 90 – contact@andrexen.com ACS ® Unified Communication Edition Architecture Core network made of mutualized high availability communication servers On each physical site, Celix® Software Management router ensures security, quality, high availability and remote maintenance. Celix® Software for routers supports : USB provisioning, Self-Diagnostic, SSL encryption, 5 links (IP, RNIS), seamless failover algorithm & voice quality optimization Mutualized hosted servers in the core network and an on site physical router (for business segment)

3. 2 AndreXen – All rights reserved 2010 – 28 rue de Chateaudun – 75009 Paris – 00 33 1 72 74 15 90 – contact@andrexen.com End-to-End SIP Solution for Business, SMEs, VSMEs and residential segments ACS ® (AndreXen Communication Server) Unified Communication Edition END-TO-END SIP SOLUTION Full IP/SIP solution – from the managed platform up to final customer SIP phone Unified communication platforms : IP Centrex with distributed low cost intelligent CPE on customer premise (AndreXen Celix applicance in option). Without Celix IPPhones use Andrexen SBC on the public Internet. Patented AndreXen Celix® Management Router features : SBC services, xDSL seamless failover, powerful remote maintenance, SIP-IPPhones auto-provisioning, plug’n play SSL encryption, VoIP quality monitoring, ISDN/PSTN failover & more Wide range of Unified Communication features : Virtual office solutions FMC Collaborative tools Webconferencing Comprehensive interfaces (web 2.0): Carrier/ integrator : monitoring, maintenance and support BSS : SIP-IPPhones & DIDs support. Multi-resellers, companies, sites, users User selfcare: ergonomic end user interface O&A : Exhaustive overview of solution, from user SIP phone to every single machine of hosted platform Fax in mail Rich PBX features Emergency numbers support AndreXen Celix® Software Management Router (optionnal) Full SIP architecture SIP phoneSoftphone Residential/ VSMEs/ SMEs Business Smartphone SIP AndreXen platform SIP SIP phoneSoftphoneSmartphone SIP