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VoIP Origination

VoIP Origination is a SIP based services which provides VSPs with local DID numbers and inbound call sessions for their end users. This platform gives Windstream’s customers access to a reliable, nationwide footprint and the ability to receive inbound calls from the PSTN via IP to delivering calls their end users across the country from a single interconnect.

 

Windstream’s Carrier customer portal and API give customers direct access to provision DID’s and features on the VoIP Origination platform in real time. This means that with a little API development on the customer’s side, endusers can soon be ordering DID’s and managing their features and account on our administration servers without any of the customer service swivel chair common with other providers.

 

The VoIP Origination network is home-grown and geo-redundant offering even our most modest customers access to a world class network and the very best US based, 24×7 operations center the industry has to offer.

VoIP ORIGINATION OVERVIEW:

Availability

5,700 domestic U.S. rate centers


Service Profile

• Geo-redundant, carrier-grade IP network

• Comprehensive softswitch feature set

• Fully integrated into Windstream’s backbone

• Extensive LCR routing capabilities

• G.711, G.729, G.729a, and T.38 support

• No Requirement for Windstream-provided “end” loops

• Detailed CDRs and Reporting Capabilities


Reseller Admin Features
(Real-Time Web Portal and XML API)

• Add DIDs, LNP, E911, SNAM, DL, etc.

• Create/modify customer trunk groups and settings

• Re-route call delivery


Power and Flexibility

Windstream’s Carrier VoIP Origination solution provides extreme flexibility to service providers. Call delivery may be switched to a different location (IP PBX) at a moment’s notice (ideal for “all-company” meetings or disaster scenarios) and virtual offices created whereby the appearance of physical presence within a specific market can be established.


Interoperability

All providers receive access to our comprehensive interoperability test platform, allowing validation of functionality prior to entering production. Providers maintain access to the interoperability platform through their service term, enabling them to test new features, CPE, configurations or software prior to use in the production network.


Product Simplicity

Designed to offer power, while retaining simplicity, the attributes of Windstream’s Carrier VoIP Origination product provides the following:

 

• Simple, fully-featured end-user administration web portal and XML API

• Simple pricing structure: concurrent sessions + usage MRCs

• Competitive domestic outbound pricing

• International calling price packages and full call barring capabilities

• Concurrent user-session limits

• Robust reporting


AVAILABILITY:

VoIP Origination is availabile in over 5,700 rate centers across the United States. Online tools make it easy for clients to determine coverage, 911 service and DID inventory and reserve DID number blocks in real time.

FEATURES:

• 2-way unlimited SMS text messaging to domestic tablets, smartphones, email pug-ins, and web-based applications

• Software Developer Kit (SDK) aids carriers in developing customized applications for their mobile App Store and Android Market

• Automated service validation processes and procedures help managed LNP to ensure portability challenges are eliminated

• Customer-activated LNP trigger allows real-time remote cutover capabilities

• Full statistical reporting package, including usage summaries CDR reports and proactive service alerts

• Instant DID invocation

• FCC compliant nomadic 911

• T.38 Fax and Fax-to-Email

• SIP Toll-Free service

• Directory Assistance

• CNAM

 

PLATFORM:

• Geo-redundant softswitch clusters with automatic failover

• Multiple redundant call processing nodes

• High-availability SBCs and voice gateways

Screen Shot 2014-06-25 at 3.38.14 PM

SUPPORT:

• Web and XML API-based provisioning for DID activation, LNP submission and management, CNAM, 911, efax and directory listings

• 24 x 7 dedicated NOC

• Lifetime dedicated client test bed

• Online ticket creation and real-time network and status reporting

TECHNICAL SERVICE DESCRIPTION:

Overview

The VoIP Origination products are call delivery services that utilize the SIP protocol. Both include access to several supporting services such as an LNP Portal, CNAM Tool, and E911 service. VoIP Origination is for Inbound (origination) services and has a more Carrier focused a la carte DID pricing model, whereas SIP Trunking supports both inbound and outbound (origination and termination) calling and a reseller-minded, more endhanced DID (includes E911, CNAM, and eFax) pricing.


INDEX

SIP FEATURES:

Codec Support

• G.711

• G.729 (Annex A+B)

• G.729 (Annex A only)


DTMF

• Inband (only available with G.711 codec)

• RFC-2833 (available with both G.729 and G.711)

• Auto (this allows DTMF to be negotiated from RFC2833 to inband, if signaled in 200 OK by customer)


OTHER PARAMETERS

P-Time

• Default P-Time: 20ms, Permitted values 10, 20, 30, 40, 50, and 60

• Some systems do properly negotiate P-Time, but our SIP Platform detect the P-Time that is being used, and will adapt media streams to match the P-Time that is sent.


SIP TIMERS/SESSION EXPIRES

This parameter is not used by default, but if set in the 200 OK response, then it will be used for the call


RINGBACK / EARLY MEDIA

If we receive a 180 SIP response, without and SDP, we will generate a ringback tone to the caller. If an audio SDP is returned in the 180 or 183 response, then Windstream will not generate a ringback tone to the caller. We will pass instead the Early Media audio stream returned


SAMPLE SIP INVITE

INVITE sip:3125551212@192.168.0.1:5060 SIP/2.0.
Record-Route: <sip:216.126.144.16;lr=on;ftag=vgvjXgS4QjgpH>.
Via: SIP/2.0/UDP 216.126.144.16;branch=z9hG4bK1fee.84e3f142.0.
Via: SIP/2.0/UDP 216.126.144.19;branch=z9hG4bK6FejD3K5QNU6N.
Max-Forwards: 67.
From: “WINDSTREAM, StarNet” <sip:8479630116@216.126.144.16>;tag=vgvjXgS4QjgpH.
To: <sip:3125687205@216.126.144.16>.
Call-ID: 0ed0a8fd-91c7-122d-2b9d-00e08176b049.
CSeq: 126833172 INVITE.
Contact: <sip:gw+chi2-td2-ha@216.126.144.19:5060;transport=udp;gw=chi2-td2-ha>.
User-Agent: WINDSTREAM.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, NOTIFY.
Supported: timer, precondition, path, replaces.
Allow-Events: talk, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 248.
.
v=0.
o=FreeSWITCH 1265880586 1265880587 IN IP4 216.126.144.19.
s=FreeSWITCH.
c=IN IP4 216.126.144.19.
t=0 0.
m=audio 22430 RTP/AVP 0 101 13.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=rtpmap:13 CN/8000.
a=ptime:20.


T.38 INBOUND FAX (only supported on VoIP Origination at this time)

• Windstream’s VoIP Origination supports inbound fax calls delivered to your IP-PBX by utilizing the ITU-T recommendation of T.38 [T.38], RFC 3362.

• This is an optional service and is disabled by default in the production environment. A Windstream customer can activate the T.38 faxing feature through the use of the web gui admin tools.


REQUIRED T.38 PARAMETERS

• The following T.38 parameters are required for successful T.38 call completion:

• T38FaxRateManagement: Indicates this fax rate management model as defined in T.28. Values may be “localCTF” or “TransferredTCF”. This parameter is defined in ITU-T Recommendation of T.38.


SAMPLE T.38 RE-INVITE

Content-Type: application/sdp
Content-Disposition: session
Content-Length: 316
X-FS-Support: update_display

v=0
o=FreeSWITCH 1286870747 1286870749 IN IP4 64.24.234.88
s=FreeSWITCH
c=IN IP4 64.24.234.88
t=0 0
m=image 21384 udptl t38
a=T38FaxVersion:0
a=T38MaxBitRate:14400
a=T38FaxFillBitRemoval
a=T38FaxRateManagement:transferredTCF
a=T38FaxMaxBuffer:2000
a=T38FaxMaxDatagram:400
a=T38FaxUdpEC:t38UDPRedundancy


INBOUND CNAM

Windstream will provide inbound CNAM ( Caller-ID ) on calls delivered to your platform. Inbound CNAM is billed on a per-dip basis on VoIP Origination. However this feature is included in the DID Monthly Recurring Charge (MRC) on the VoIP Origination platform.

 

The Caller-ID is delivered in the ‘From:’ line in the sip headers:

From: “WINDSTREAM, StarNet” <sip:8479630116@216.126.144.16>;tag=vgvjXgS4QjgpH.


OUTBOUND CNAM

Windstream provides the ability to customize the Caller-ID settings for DIDs provisioned on the VoIP Origination product. This is controlled through web-portal. Currently, CNAM can be set for Tier A and Tier B numbers only. Tier C numbers are not able to be supported for outbound CNAM at this time.


VoIP E911

Windstream provides an FCC compliant, nomadic VoIP E911 service. Location information for ported or natively assigned DIDs is set through a web-portal. Windstream also provides a method to determine the E911 coverage capabilities for a given address, allowing validation of E911 coverage prior to establishment of service.


NUMBER PORTABILITY

Windstream provides a robust LNP utility. The utility is able to be used directly by customers to submit and manage porting activity on the VoIP Origination product. Large number migrations from another carrier, or significant ( greater than 1 T1 equivalent ) should be coordinated with Windstream to ensure sufficient capacity on the network.


NATIVE DID ASSIGNMENT

Windstream can assign Native DIDs over a very wide coverage area. Up to 20 DIDs may be assigned through web GUI on a single request. DID’s assigned in this manner are made live on the customer’s account in real-time. Large quantity DID requests are processed through the sales and support teams.


DIRECTORY LISTING

Directory listings are supported on the VoIP Origination product through the submission of an order through a web GUI. Local Main Listing’s are supported, however foreign directory listings are not supported on the service.


LIMITATIONS:

NAT
We do not support NAT. All SIP signaling IPs and media endpoints that are negotiated during call setup must be publicly routable IPs. RFC 1918 IP space must not be used.


MPLS

Connectivity via MPLS or VPN is not supported at this time. SIP and RTP is transmitted via IP, either over the Windstream Backbone Network if a customer has an Internet/IP Data connection, or via the Public Internet.

 

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