Intelligent SIP trunking for experts Service guide Last updated: June 3, 2015
Purpose This document outlines Flowroute SIP trunking services including features, functionality, technical specifications, and differentiation. It is designed to serve as a reference for your selection and interconnection processes. Introduction Flowroute, the world s first pure SIP carrier, delivers advanced SIP trunking that solves the needs of the most demanding consumers of telecom and messaging services: communications developers, SaaS service providers, and high-tech enterprises. Flowroute s unique focus, technology, and network services provide communications experts unparalleled performance, transparency, and control of the voice communications that power their businesses. Flowroute wins on cost, quality, and implementation speed. PRODUCT NAME Inbound calling Outbound calling Local phone numbers Toll-free numbers Toll-fraud protection Additional Services DESCRIPTION Detailed routing intelligence provides granular control of your SIP trunking. Choose unlimited channels, or unlimited minutes, for each phone number company wide. Call quality is optimized over the most reliable routes available and by removing unnecessary call legs. Outbound SIP trunking channels are always unlimited. Purchase or port in local phone numbers from across the US and Canada. Specify a unique rate plan for each number. Choose from a wide range of US/CAN toll-free numbers, or special order vanity numbers. Port existing toll-free numbers to Flowroute free of charge. Keep your balance safe from intruders with real-time customizable toll-fraud protections. Restrict destinations, limit rates, whitelist internal IPs, and more from your account manager. CNAM Storage - Boost call answer rates. CNAM Lookup - Enable personalized greetings. E911 - Specify user location down to the office or suite number, and name. Rick, Corporate Applications Manager 2
Why use Flowroute SIP Trunking? Flowroute delivers the most reliable and highest quality carrier telecommunications services to ensure our customers VoIP investments achieve the anticipated returns, increasing productivity and streamlining collaboration. Flowroute s services are designed to give organizations the greatest amount of control over their voice services. Performance The Flowroute SIP trunking platform is designed to the highest standards of performance. Reliability Your uptime is our mission. Flowroute s patent-pending routing technology takes advantage of the entire telephone network infrastructure to deliver calls around impaired switches. With redundant infrastructure, streamlined call data transmission, and automatic failsafe routing, your voice connection is in reliable hands. Cost efficiency With Flowroute s pre-paid billing service you only pay for features and functions you actually use. There are no base charges. Our blended domestic rates save customers as much as 70% off their traditional phone bill. Flowroute SIP trunking is HIGHLY reliable. Jonathan, Cape Print Extensive Coverage and Reach Flowroute provides one of the most extensive coverage areas for telephone numbers and inbound calling in the United States and Canada. And you can leverage Flowroute s extensive international carrier relationships to place calls to virtually anywhere in the World. Direct Audio Flowroute stays out of the way of your call audio. We deliver the call audio stream as directly as possible to the destination carrier s network, leveraging proprietary technology and our vast list of interconnect partners. This uniquely efficient approach to outbound call delivery reduces latency and improves overall call quality. Fax support via T.38 Even as the most reliable standard for fax over IP, T.38 can run into compatibility issues between endpoints. Flowroute normalizes T.38 signaling in real-time to ensure connections aren t lost, and all faxes are delivered clearly. 3
Carrier-level Control We recognize that you require a service you can work with to be responsive. Flowroute delivers maximum control of your voice connection by providing open access to the telephone network and giving you the tools you need to manipulate our SIP trunking service to fit your project Scale instantly The capacity you need, when you need it. Flowroute doesn t limit your capacity to handle inbound interactions or require the purchase of capacity that will only be used at peak traffic times. You can always be ready to handle the inevitable bursts in traffic. Provisioning control Use our account management portal or API to provision local and toll-free phone numbers on demand. Customizable Fraud Controls Toll-fraud is a serious threat. Flowroute provides critical protections to keep your account out of the hands of fraudsters. Maximum rate limit: Set your maximum outbound rate limit just above the toll rate to the most expensive destinations you ll be calling. All calls to more expensive destinations will be blocked. Destination whitelist: Calls to all destination not on your list will be blocked. Automatic Suspicious Call Blocking: Flowroute notices unusual call activity. Traffic recognized as fraudulent is blocked. Unlimited Inbound If you have a high volume of inbound traffic, use Flowroute to build a pool of unmetered inbound channels shared by all of your phone numbers to keep costs predictable. Failsafe routing The Flowroute routing platform recognizes when your PBX is unavailable and automatically sends inbound calls to a preselected alternate destination. Number portability Port local numbers to your Flowroute account from virtually anywhere in the US and Canada. Toll-free numbers port for free. Our advanced, highly-automated number porting process has inspired our customers to tell us that, No one else ports this fast. Billing Plans vpri - You need one vpri for each concurrent call you expect into your business. For one flat monthly fee, inbound minutes are unlimited, so vpri pools are ideal for businesses with predictable number of inbound calls and a high volume of minutes. Per-minute - Using this metered plan, you only pay for minutes you use. With no limit on simultaneous calls, you instantly adapt to occasional or seasonal bursts in traffic. Great for unpredictable, or low, inbound call volumes. 4
Support You aren t on your own with our technology. Our Seattle-based team of Support Engineers are highly trained SIP trunking experts well-versed in all aspects of VoIP communications, and they re here to help with interconnection. No other carrier takes the same level of interest in the customer. Live phone support during business hours 24/7 on-call emergency support Stevie Award for Front-line Customer Support Team of the Year, 2014, 2015. Andrew, VoIPster Certified and Compatible systems Flowroute is platform agnostic, connecting any SIP-compliant device to the public telephone network. Certified 3CX, Cudatel, SNOM, Yealink, Grandstream, Patton Compatible Flowroute customers have success using a large variety of PBX s including: Lync/Skype for Business, Cisco, Avaya, Asterisk, Freeswitch, Mitel, Shoretel 5
Flowroute Interconnection Specifications Dialing format: E.164 All numbers, including domestic destination numbers, must be dialed in international E.164 format Leading + is optional Within the SIP INVITE request line, the E.164 number is presented in the user portion of and the Flowroute server host address in the host portion of the SIP Request URI (eg. sip:+12066418000@sip.flowroute.com) Available Authentication Methods SIP Digest Authentication - Defined in RFC 3261 section 22 IP-Based Authentication (recommended) Requires static public IP address. Requires prepending dialstring with your Flowroute account 8-digit Tech Prefix, delimited with either * or # in the user portion of the SIP INVITE Request URI (eg. sip:12345678*+12066418000@sip.flowroute.com) DTMF Transmitted and received as Out-of-Band RTP-Event packets per RFC 4733 (Commonly referred to as RFC 2833 DTMF). Advanced Signaling Headers are implemented in line with RFC 3261. Some additional advanced headers are supported as outlined in this section: Caller-ID Number Inbound - Caller-ID Number is presented as E.164 formatted in the user portion of the From and P-Asserted-Identity headers. Outbound- Caller-ID Number is pulled from the user portion of the one of the three following headers, in order of precedence: P-Asserted-Identity Remote-Party-ID From 6
Caller-ID Name (CNAM) Inbound - Requires CNAM Lookup to be enabled on the called number. Caller-ID Name is presented in the Generic Name parameter of From and P-Asserted-Identity headers. Outbound - Caller-ID Name is set via Flowroute Manager on a per number basis using the CNAM Storage feature*. The destination number must support Caller-ID Name lookup to properly display the stored value. Caller-ID Name is not transmitted in SIP signaling. Any Generic Name parameter value is ignored. *The following DID types do not support CNAM storage: Toll-free numbers, Canadian numbers, inums P-Charge-Info Allows setting alternate billing number from the displayed Caller-ID Number. Recommended to set P-Charge-Info to a valid local number value when setting toll-free number as outbound Caller-ID. Diversion Provides number(s) from which a call was diverted and diversion reason(s). Session Timers Defined in RFC 4028. Allow for establishing a call expiration interval avoid runaway calls if connection is lost. Optional. ISUP-OLI & JIP Where available, can provide additional calling party info. Custom Tags Allow logging up to 32 character strings in your call CDRs via an X-Tag header in either initial INVITE or answering 200 OK. 302 redirect Forward calls to another number without occupying a channel on your SIP UA. Contact header value in 302 response is used to determine the number to which the call is forwarded. Codecs Supported: G.711 Ulaw G.711 Alaw G.729a 7
Recommended fax transmission guidelines Session negotiation: Switch to T.38 is dependent on end-user system reinvite during an established G.711 audio codec session. Fallback: End-user system should support fallback to G.711 ulaw pass-through in the event of T.38 negotiation failure. Maximum transmission rate: 9600 baud. Fax Error Correction Mode (ECM): Not supported T.38 UDP Error Correction: T.38 UDP Redundancy NAPTR and SRV domain support NAPTR and SRV domain records can be used as DID routes to allow load balancing and failover on multiple servers. IP v4 Transport Protocol Support: SIP over UDP or TCP IP v6: Not supported Supported SIP Methods: INVITE, ACK, CANCEL, BYE, REGISTER, OPTIONS Unsupported SIP Methods: PRACK, SUBSCRIBE, NOTIFY, PUBLISH, INFO, REFER, MESSAGE, UPDATE Response codes: Sent and accepted according to RFC 3261 section 21 SDP Support: RFC 4566 Flowroute is SIP for Brains As the world s first pure SIP carrier, Flowroute delivers advanced SIP trunking that answers the needs of communications developers, SaaS service providers, and high-tech enterprises. Flowroute s unique technology and network services provide communications experts unparalleled performance, transparency and control of the voice communications that power their businesses. Call: 1-855-356-9768 Contact: sales@flowroute.com Visit: www.flowroute.com 8