Flowroute
7.9#3 in sip trunking providersFrom $1 a monthFree planAndroidiOSWebAPI
VisitFlowroute vs SIP.US Cloud SIP Trunking
SIP.US Cloud SIP Trunking
7.1#5 in sip trunking providersAndroidiOSWebAPI
VisitWhat both publish
| Fact | Flowroute | SIP.US Cloud SIP Trunking |
|---|---|---|
| Fraud protection | Account controls include IP-based outbound authentication, maximum outbound rate limits, and destination blacklists and whitelists. | Real-time international toll fraud protection can terminate unauthorized calls, disable international calling and alert the customer and Network Operations Center. |
| Integrations | The FAQ lists integrations with 3CX, Asterisk and FreeSWITCH, and describes the APIs as software-agnostic. | Supported SIP-enabled PBX systems include 3CX, Asterisk, Elastix, Cisco, Avaya and Grandstream, plus open-source telephony applications. |
| Product | Flowroute provides cloud-based SIP trunking, voice and messaging APIs, phone numbers, faxing, and call forwarding. | SIP.US provides cloud SIP trunking that connects an existing PBX to reliable SIP trunking with flexible channels and no contracts. |
Flowroute plans
- CNAM lookupFree
- Long-code SMSFree
- Domestic inbound calling$0.01 a month
- Long-code MMS$0.01 a month
- US/Canada outbound calling$0.01 a month
- Toll-free SMS$0.01 a month
SIP.US Cloud SIP Trunking plans
- US48 Local DID$1 a month
- Nomadic e911 Enhanced DID$2.50 a month
- Toll-free DID$2.95 a month
- Business texting — 200 Messages$9.95 a month
- Business texting — 500 messages$19.95 a month
- SIP channels — Yearly Plans$19.99
Pick Flowroute if…
Flowroute suits businesses, developers, CPaaS providers, dealers, partners and contact centers that need voice, messaging or phone-number services through APIs or existing telephony systems. Its number management and fraud controls may suit teams that need to automate number setup or restrict outbound calling.
Pick SIP.US Cloud SIP Trunking if…
It suits businesses in the United States or Canada that already have a PBX and need cloud SIP trunks. Organizations should account for one channel per concurrent call.