Covad

1. Covad’s Solutions, Features and Benefits

2. VoIP Products Covad vPBX Converged voice and data Hosted solution T1 or SDSL broadband circuit Industry standard CPE Covad PBXi Converged voice and data Leverages existing telephone infrastructure

3. Traditional Voice Network

4. Covad VoIP Solution Overview

5. vPBX Network

6. vPBX™ Advantages Transparent for callers No changes to DID, toll-free or existing business numbers Transparent for employees Outbound calls Operator services, directory assistance and 911 calls Easy to implement Managed T1 or SDSL service to customer premise Web-based administration Flexibility to add additional linesat any time Includes Covad broadband package Broadband Internet access Web hosting Email services Toll-free 24x7 technical support Provides simplified management Easy control and administration One monthly bill

7. vPBX™ Implementation Step 1 Customer Assessment Verbal assessment of customer voice and data needs Step 2 Proposed solution With pricing, services, terms, SLA, etc. Step 3 Tailored and detailed design Unique dial plans, console configuration, ACD, other requirements Step 4 Circuit provisioning Provision and install high-speed line Step 5 Integration on customer premise Install/configure phones, train employees, configure network

8. PBXi Digital

9. PBXi Analog

10. Four Versions of PBXi Plus

11. Reduces communication expense Low rates for long distance and local calls Free calls between select sites Consolidates voice and data services Provides disaster recovery solution Easy to Implement Supports all existing PBX equipment Requires standard PBX PRI interface card (PBXi Digital) No impact for employees No impact for callers – requires no changes to local or toll-free numbers Includes Covad broadband package Broadband Internet access Web hosting Email services Toll-free 24x7 technical support Provides simplified management Easy control and administration One monthly bill PBXi™ Advantages

12. PBXi™ Implementation Step 1 Network assessment Assess current voice and data expenses, special requirements Step 2 Proposed solution Propose and agree on pricing, services, terms, SLA, PBX requirements Step 3 PBX gateway installed on customer premise Connect Covad PBXi™ gateway to PBX and data network Step 4 Circuit provisioning Provision DID and toll-free lines, Internet services Step 5 Q/A testing Fully test inbound and outbound calls, and Internet services

13. Covad Service Office Talk about voice mail platform migrated from Centigram to IPUnity. Two Virtual Service Office locations today (both in the San Jose area). A third Covad service office is planned for McLean, VA to serve east coast.Talk about voice mail platform migrated from Centigram to IPUnity. Two Virtual Service Office locations today (both in the San Jose area). A third Covad service office is planned for McLean, VA to serve east coast.

14. VOA and EON VOA and EON are network access methods used by Covad for delivering the broadband circuit to the customer VOA: Voice Optimized Access Converged voice and data circuit provisioned through the Covad national ATM network Utilizes Covad DSLAM in Central Office Voice prioritized using a dedicated Variable Bit Rate PVC Currently used for vPBX services, planned deployment for PBXi EON: Extended On Net Converged voice and data circuit provisioned through a 3rd party provider such as MCI, XO, Wiltel or Broadwing Point to point T1 from customer’s premises to nearest Covad service office Voice prioritized based on packet type using priority queuing Used for both vPBX and PBXi services

15. vPBX with VOA Covad’s Voice Optimized Access provides the ability to prioritize voice traffic not only over the last mile (T1 or DSL), but also through Covad’s network. The result is a connection that minimizes packet loss, maximizes network utilization, reduces jitter – increasing network reliability, resulting in a superior voice service.

16. vPBX over SDSL Product Offering

17. VBR with VOA works

18. Concurrent Calls within SDSL Speeds

19. Concurrent Calls by CODEC Circuit Type Need final verification that a VOA T1 using G.729 will only support 18 concurrent voice calls.Need final verification that a VOA T1 using G.729 will only support 18 concurrent voice calls.

20. What is the Same? Does this mean this is on 3.0? Yes Will this be available for customers who are on 2.2? No, all customer sites reside on same platformDoes this mean this is on 3.0? Yes Will this be available for customers who are on 2.2? No, all customer sites reside on same platform

21. vPBXTM - VoIP Solutions