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Broadwing Enterprise SIP Services

Broadwing Enterprise SIP Services. October 2005. Enterprise SIP Service Overview. Service Description Network Architecture Applications Features & Benefits Pricing Structure Customer Requirements Why Broadwing is Your Solution. Service Description.

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Broadwing Enterprise SIP Services

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  1. Broadwing Enterprise SIP Services October 2005

  2. Enterprise SIP Service Overview • Service Description • Network Architecture • Applications • Features & Benefits • Pricing Structure • Customer Requirements • Why Broadwing is Your Solution

  3. Service Description • Enterprise SIP provides local and long-distance PSTN origination and termination services for VoIP-enabled enterprises • Key features: • Direct IP interconnection to customer IP PBX via Session Initiation Protocol (SIP) signaling • Network interconnection via public Internet, Broadwing dedicated IP, or Broadwing Converged Network

  4. VPLS WAN on Broadwing Converged Services Network connects all VoIP elements Other customer MPLS / VPLS VPNs on BWNG Converged Services Network interconnect directly with VoIP network through SBCs Internet Broadsoft feature server provides call control VoIP gateways providing VoIP to TDM inter-working and trunking to the local DMS500s Broadwing IP network provides physical entry point for most traffic, through dedicated circuits or public Internet VoIP Network Architecture Regionally-located Acme Packet SBCs provide security, capacity management, and CDRs. Dual-homed to the VPN and Internet, providing the only access to the VoIP infrastructure BWNG VoIP Network Customer Converged Networks Broadwing IP Network

  5. Differentiated Local Infrastructure Deeply interconnected • Local network provides rate center coverage across the LATA • Facilities-based, transport diverse carrier • All ILEC tandems and Selective Routers for E911 • 80% of end offices within the LATA Nationwide footprint • Local presence in top 23 Tier 1 markets • Pursuing partnerships for additional coverage by Q405

  6. The Application: Customer wants to “self host” internal VoIP network Multiple locations Data WAN capable of transmitting VoIP calls between internal sites Deploying an IP PBX or softswitch in a central site Remote sites using switching intelligence of central IP PBX Only IP phones deployed remotely – no switching PRI gateways at each site for local calling and 911 Applications & Solutions The Solution: Centralize ALL PSTN calling through a single SIP interconnect with Broadwing • Local, LD, 911, all on Broadwing’s robust VoIP and TDM networks • Eliminate local PRI costs (opex and capex) • Drive out excess capacity • Share capacity across your entire organization

  7. PRI / POTS lines to PSTN • Data WAN solutions fairly common – IP VPN, MPLS • Voice still typically a site-by-site solution Customer WAN WAN access circuits Current voice & data solutions San Francisco Headquarters San Francisco Remote Office • Challenges • Cost • Separate circuits for voice and data • Wasted capacity on underutilized WAN circuits and PRIs • Capex for PRI ports on PBXs / routers • Complexity • Multiple vendors for WAN, local PRI (per market), LD Chicago Regional Office Dallas Remote Office New York Remote Office

  8. Single access circuits carrying voice and data • Integrated access over WAN • Voice & data traverse WAN • Central IP PBX provides switching and features • Broadwing handles complete PSTN needs via single SIP interconnect • Local & LD calling • Telephone numbers – LNP • 911 Customer IP PBX Converged or IPinterconnect(optional) Broadwing SBC Broadwing VoIP Network Broadwing Media Gateways PSTN Broadwing Softswitch BWNG DMS500s PSAP Broadwing Enterprise SIP provides single, nationwide PSTN access via SIP interface Enterprise SIP solutions San Francisco Headquarters Customer WAN San Francisco Remote Office Chicago Regional Office Dallas Remote Office New York Remote Office

  9. Features and Benefits

  10. Pricing Structure Four Elements: • Access (optional) • Broadwing IP (all speeds/types), Converged (all speeds/types) or none (public IP) • Existing access may be used • Concurrent Call Capacity (MRC) • Maximum # of concurrent calls (in and out) – sold in single DS0 increments • Purchased per Session Border Controller to be interconnected with • Includes all relevant regulatory fees • Telephone Number Administration • MRC and NRC per activated TN / ANI • Usage - local, local toll LD, international, DA, etc.

  11. Customer Requirements • Customer equipment (softswitch, feature server, IP PBX, session border controller) must support SIP • Customer responsible for switching and transport of calls between end user stations and their softswitch / IP PBX • Customer must deliver to Broadwing the actual Calling Party Number (CPN) of the caller on every call • 911 calls will be routed to appropriate PSAP based on CPN • Calls to 911 without valid CPN will not be completed • Customer is responsible for providing all information necessary to ensure the accuracy of the 911 PS/ALI database updates

  12. Why Broadwing is Your Solution • Consolidate voice and data traffic on your WAN • SIP interconnect for direct interconnect to IP PBX • Combines advanced private VoIP network with proven, reliable, deeply interconnected voice networks • Industry leading partners Cisco, Broadsoft, Acme Packet and Nortel • Seamless integration with Broadwing WAN solutions • Leading CLEC with eight years experience in local voice • Enabling provider to VoIP-enabled enterprises for more than three years

  13. Appendix: Call Flows

  14. 2. Broadsoft determines the gateway and trunk group for the call based on originating and terminating NPA and responds to the SBC with a redirect. 1. When a call attempt is made, the customer’s SIP server issues an Invite to the SBC. The SBC in turn sends the Invite to the softswitch 3. The SBC takes the redirect and sets up the call to the GW 4. RTP is established between the end point and the gateway. 5. Gateway converts RTP to TDM, and the calls goes out of a network PRI trunk group to the appropriate DMS 500 and beyond. Enterprise SIP Call flow to PSTN Broadsoft Softswitch Customer SIP server SBC Broadwing IP Network VoIP MPLS VPN Customer WAN Dedicated IP inter-connect (optional) Media Gateway PRI End user IP phone PSTN DMS 500 Local Switch SIP signaling RTP TDM

  15. 2. Broadsoft determines the internal VPN address of the SBC associated to the customer / DID contained in the TO header of the Invite and responds with a Redirect. 4. The SBC issues an Invite to the customer’s SIP server, which in turn issues an invite to the end user’s IP phone. 3. Gateway issues an invite to the SBC. 5. RTP is established between the end user IP phone and the gateway. 1. Gateway receives the call from the DMS and sends a SIP Invite to the Broadsoft. Enterprise SIP Call flow from PSTN Broadsoft Softswitch Customer SIP server SBC Broadwing IP Network VoIP MPLS VPN Customer WAN Dedicated IP inter-connect (optional) Media Gateway PRI End user IP phone PSTN DMS 500 Local Switch SIP signaling RTP TDM

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