1. [Home](https://www.g2.com/) 2. ... 3. [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas) 4. [Flowroute Discussions](https://www.g2.com/products/flowroute/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_360a6b52782b38988f2547d6ff5ca418/flowroute.png "Product Avatar Image") ](/products/flowroute/reviews) [ Flowroute ](/products/flowroute/reviews) (15)3.8/5 Flowroute, the first software-centric carrier, provides communication services and technology for cloud-based products. Developers and businesses are given direct access to and control over their telephony resources such as phone numbers, inbound and outbound calls, SMS, MMS, and other related communication services through the Flowroute Manage Portal and our APIs. By providing businesses with programmatic access to communications infrastructure services, Flowroute removes the complexity of introducing new communications solutions to the market. The patented nationwide Flowroute HyperNetwork™ delivers leading carrier-quality calling and messaging services with unparalleled reliability, reach, and simplicity. Show More * * * ### 35.0 Nps Score Already have Flowroute? ### All Flowroute Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # What is SIP trunking service? ](/discussions/what-is-sip-trunking-service) What is SIP trunking service? [ Communication Platform as a Service (cPaaS) Platforms ](https://www.g2.com/tags/communication-platform-as-a-service-cpaas-platforms) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.&title=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Flowroute+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss%0aAsk+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.) 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[ Communication Platform as a Service (cPaaS) Platforms ](https://www.g2.com/tags/communication-platform-as-a-service-cpaas-platforms) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.&title=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Flowroute+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss%0aAsk+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.) 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[ Communication Platform as a Service (cPaaS) Platforms ](https://www.g2.com/tags/communication-platform-as-a-service-cpaas-platforms) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.&title=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Flowroute+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss%0aAsk+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.) 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[ Communication Platform as a Service (cPaaS) Platforms ](https://www.g2.com/tags/communication-platform-as-a-service-cpaas-platforms) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.&title=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Flowroute+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Flowroute+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss%0aAsk+Flowroute+questions+and+get+answers+from+expert+users+in+our+Flowroute+Discussions+section.) 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Answer a few questions to help the Flowroute community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fflowroute%2Fdiscuss%3Fsmall_ask%3Dflowroute) No