Callcentric SIP Trunking vs Flowroute
Callcentric SIP Trunking
callcentric.comFlowroute
flowroute.comSide by side
| Figure | Callcentric SIP Trunking | Flowroute |
|---|---|---|
| Price from | $1.95/mo | $0.01/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | — |
| Plans published | 7 | 11 |
| Spec score · SIP Trunking Providers | 9.3 (#1) | 8.9 (#3) |
| Founded | 2001 | 2007 |
| Headquarters | New York, New York, USA | Seattle, Washington, United States |
| Integrations | Official setup coverage includes 3CX, Asterisk, Zoiper, Bria Solo, Grandstream, Yealink, Cisco, Polycom, Snom, Linksys, Obihai and other SIP devices. | The FAQ lists integrations with 3CX, Asterisk and FreeSWITCH, and describes the APIs as software-agnostic. |
| Phone numbers | The service offers US and Canadian numbers, international numbers, toll-free numbers, alternate numbers and number porting. | Customers can buy or port local, toll-free and vanity numbers in the United States and Canada with caller ID, E911 and CNAM options. |
| Rating on GetVoIP | 3.8 out of 5 from 10 reviews; 70% would recommend. | 3.7 out of 5 from 33 reviews |
| Rating on Trustpilot | 3.8 out of 5 from 2 reviews. | 2.5 out of 5 from 5 reviews |
| Security controls | Listed account protections include allowed calling areas, IP whitelisting, maximum call-rate limits and two-point authentication. | Official materials describe IP-based authentication, outbound-rate limits, destination whitelists and anomaly monitoring to reduce toll fraud. |
| Support | Callcentric provides a maintained knowledge base, BYOD setup guides, and free support through trouble tickets. | Flowroute offers free, non-tiered support, with phone support 13 hours a day Monday through Friday and email ticket responses every day. |
| What it does | Callcentric provides VoIP service for residential and business customers using SIP software, ATAs, IP phones or IP PBX systems over broadband internet. | Flowroute is a self-service, cloud-based SIP trunking and business-messaging CPaaS provider offering a-la-carte telephony components through APIs and a management portal. |
Plans
Callcentric SIP Trunking
- IP FreedomFree
- Pay Per CallFree
- North America Basic$1.95 a month
- US/Canada Toll Free number$3.95 a month
- North America 500$6.95 a month
- North America 1000$12.95 a month
- North America 2500$29.95 a month
Flowroute
- CNAM lookupFree
- Long-code SMSFree
- Domestic inbound calling$0.01 a month
- Long-code MMS$0.01 a month
- Toll-free calling$0.01 a month
- Toll-free SMS$0.01 a month
- US/Canada outbound calling$0.01 a month
- Toll-free MMS$0.02 a month
- DID number$1 a month
- E911 associationPrice not published
In their own words
Callcentric SIP Trunking
Callcentric SIP Trunking's Pay Per Call plan lets businesses place worldwide calls from SIP-based IP PBXs or gateways. The plan has no monthly fee or included minutes; outbound calls are charged at variable per-minute rates, while calls to other Callcentric members are free. It includes three channels, allows unlimited maximum channels and charges no additional channel fee. An account deposit can be as low as $5.00. Business numbers are available in the USA, Canada and over 35 other countries. Listed uses include offices, call centers, IVR services and calling card providers. Callcentric says most SIP/2.0 hardware and software should be compatible, and names 3CX, Asterisk, freePBX, Bria, ZoIPer and LinPhone among options users have used. Compatible devices need specified SIP, RTP, authentication, proxy, DNS and codec support. The service supports Android, iOS, Linux, macOS, web, Windows, extensions and self-hosted setups. US/Canada toll-free numbers are listed at $3.95 setup and $3.95 per month.