1. IT EXPO – SIP Trunking Workshop BroadWorks SIP Trunking Overlay Services10/6/2010

2. 2 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Integrated Access – SIP Trunk: Feature Breakdown Provides standard access trunk functionality via SIP CPE is typically an IP PBX Managed Router (typically the same IAD) is used as a demarcation point only and does not conversion of voice or signaling BroadWorks delivers: –POTS features for trunks (typically only caller ID, hunting) –Enhanced Overlay Features to IP PBX handset with DIDs LAN Segment IP PBX...... Managed Router BroadWorks Application Server Softswitch DSL SBC IP Core PSTN Integrated Access – Line/Trunk

3. 3 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute SIP trunk as plug-and-play as ISDN SIP Trunking Support Program –SIPconnect 1.X Certification –IP PBX interop program Comprehensive test plans and documented configurations BD relationships with IP PBX vendors Over 30 different IP PBXs successfully interop by BroadSoft and our customers Longer Term –We are leading the efforts around defining SIPconnect 1.1 On the SIP forum board Our specifications contributed to the technical working team –Strict SIPconnect compliance testing

4. 4 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature for Business Connectivity BroadWorks supports the ability to drive network-based “features” to individual DIDs: –Works with business lines connected to phones, and business trunks and SIP trunks when the phones have DIDs –Works for Virtual DIDs when end customer has Key System or does not have DIDs on a PBX BroadWorks also supports the ability to provide “group” features to an enterprise as a whole –Examples include: Conferencing, Site-level Rerouting, Bursting Carriers typically take these features and build “add-on” services for their integrated access offerings

5. 5 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Top Overlay Features for Business Connectivity Business Continuity (Call Rerouting) Simultaneous Ring BroadWorks Anywhere Remote Office Hosted Telecommuter Salesforce.com (CRM) Integration Video telephony and conferencing

6. 6 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature: Business Continuity Business Continuity is comprised of the following functionality: –Incoming call routing (Call Forwarding Always, Call Forwarding Unreachable, etc.) –Other functions such as Sim Ring, Remote Office, etc that promotes work outside of the office BroadWorks support many different types of call forwarding – generally broken down into two categories –User-Level – Individual users (DIDs) have control over how incoming calls are forwarded –Site-Level – A site administrator has control over how all incoming calls to a site (SME) are forwarded Business Continuity Call Forwarding Types Supported –Call Forwarding Always (Pilot # and DIDs) –Call Forwarding No Answer (Pilot # and DIDs) –Call Forwarding Unreachable (Pilot # and DIDs) –Call Forwarding Unreachable (Trunk Group)

7. 7 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Call Forwarding Unreachable (Trunk Group) Included in standard Trunk Group Functionality Ability to reroute all incoming calls destined to a Trunk Group when it is unavailable “Unavailability” based on expiration of configurable timer (default 5 seconds) after sending a SIP INVITE and not receiving a response –Each incoming call is checked for unavailability Configurable reroute options: forward to another TG, forward to a DN; return “busy” treatment Configurable “unavailability” thresholds that generate SNMP traps Unreachable Destination None SNMP Alarm Yes Reroute Call Busy Call Forward Call Actions Forward Reroute Action SNMP Alarm No Threshold Crossed Notifications

8. 8 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature: Simultaneous Ring Simple feature that can be applied to either the pilot # or individual DIDs in a enterprise Ring up to 10 pre-configured number at the same time Works even when the PBX connection is lost (Business Continuity) Typically requires that the PBX user has a DID (otherwise the Sim Ring would reach the attendant) 1 2a 2b PBX or IP PBX IP or PBX Phone 240-364-5185240-888-1230 PSTN

9. 9 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature: BroadWorks Anywhere Sophisticated New Capability for PBX users Built on BroadWorks Shared Call Appearance –Simultaneous Ring all appearances on incoming calls –Answer confirmation for calls to mobile (prevents mobile VM from picking up) –Ability to move Calls from One Device to Another during the call –Configurable incoming call routing rules Requires calls from non-BW devices to be routed to BW User Service Primary Device Shared Device Group/Department/Enterprise SS/GW

10. 10 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature: Remote Office Allows mobile workers to place calls as if they were sitting at their desk –Call is billed to the users DID –Useful when making calls from home or hotel Requires a client to initiate calls; First calls you at your remote number, then initiates call to destination Works even when the PBX connection is lost (Business Continuity) Requires that the PBX user has a DID 1 2 3 240-364-5185 703-812-7920 PSTN

11. 11 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature: Hosted Telecommuter Applicable to full and part- time tele-workers –Works with our without a PBX DID –Hosted IP Phone sits at tele- worker location BroadWorks rings PBX phone (DID) and tele-worker phone at the same time Works even when the PBX connection is lost (Business Continuity) 1 2a 2b PBX or IP PBX IP or PBX Phone 703-812-7920240-364-5185 PSTN Hosted Phone

12. 12 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Web 2.0 Overlay Feature: BroadWorks/Salesforce.com “Mashup” BroadWorks call control now integrated into salesforce.com portal Screen pops for incoming calls Click-to-dial Works with both Hosted PBX and Business Connectivity PC-based client Available now

13. 13 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Feature: Hosted Video Conferencing Applicable to DID or non-DID SIP trunk offerings Dials like regular telephone Defaults to audio-only for PSTN or internal non-video handsets Includes video end point in private dialing plans Receives calls as part of service group – hunt group, ACD queue, etc. 1 2a 2b PBX or IP PBX IP or PBX Phone 703-812-7920240-364-5185 PSTN Hosted Video End Point

14. 14 2008 BroadSoft ®, Inc. Proprietary and confidential; do not copy, duplicate, or distribute Overlay Features Case Study: XO Communications Service Name: XO Anywhere Launched: 2Q08 URL: http://www.xo.com/http://www.xo.com/ BroadSoft Features Used: –Simultaneous Ring –Remote Office –Assistant Enterprise How it’s being sold and to whom: –Add-on service charged / DID / month –Executives, Frequent travelers, Tele- workers, Business Continuity Planning (Reducing Dependencies on Office Locations) XO Anywhere Client Service Awards

15. Corporate Headquarters 220 Perry Parkway Gaithersburg, Maryland 20877 Tel. +1 301.944.9770 www.broadsoft.com