SIP.US Cloud SIP Trunking
SIP.US Cloud SIP Trunking connects an existing PBX to cloud SIP trunking with flexible channels and no contracts.
What SIP.US Cloud SIP Trunking is
SIP.US Cloud SIP Trunking connects an existing PBX to cloud SIP trunking with flexible channels and no contracts. Its self-service control panel manages trunks, phone numbers, provisioning, billing, and call data records. Each SIP channel includes unlimited outbound calling to the US48 states and Canada and unlimited inbound calling to local numbers; one channel is required for each concurrent incoming or outgoing call. Records are viewable near real time, cover today and the past year, and can be downloaded as CSV files. A searchable number database covers the US and Canada, and most DIDs are provisioned instantly. Customers choose their broadband provider; G.711 calls use approximately 85kbps up/down, and G.729 is supported. International toll-fraud protection can terminate unauthorized calls, disable international calling, and send alerts. Inbound calls can fail over to another IP-PBX or backup PSTN number. SIP.US supports SIP-enabled PBX systems and Microsoft Teams connections. The service is available only to businesses based in the United States and Canada.
Good
- Control panel manages trunks, numbers, billing, and call records.
- Unlimited outbound calling to the US48 and Canada per channel.
- Call records can be downloaded as CSV files.
- Inbound DID calls can fail over to a backup number.
- Free trial is available.
Watch out
- Service is limited to businesses in the US and Canada.
- One channel is required per concurrent call.
- No free plan is available.
Who it suits
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.
Verdict
SIP.US is built to connect an existing PBX with cloud SIP trunking, with call records, DID routing, and fraud controls. Its business eligibility and channel-per-concurrent-call requirement are important planning limits.
Plans and prices
From SIP.US Cloud SIP Trunking's own pricing page, checked 1 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| US48 Local DID | $1 a month | $1.00/number one-time setup · CNAM included · monthly per number |
| Nomadic e911 Enhanced DID | $2.50 a month | $2.00/number setup · 911 address registration · monthly per number |
| Toll-free DID | $2.95 a month | PLUS $0.02/minute · $3.00/number setup · monthly per number |
| Business texting — 200 Messages | $9.95 a month | 200 messages · $0.07/message overage · per month |
| Business texting — 500 messages | $19.95 a month | 500 messages · $0.04/message overage · per month |
| SIP channels — Yearly Plans | $19.99 | Unlimited US48 and Canada calling · No setup fee · per channel per month |
| SimpleFAX™ Service | $24.95 a month | 1,000 pages included · $0.10/additional page · $25.00 port fee · per FAX line/month |
| SIP channels — Month to Month | $24.95 a month | Unlimited US48 and Canada calling · No setup fee · per channel per/month |
| Business texting — 1,000 messages | $29.95 a month | 1,000 messages · $0.02/message overage · per month |
| Business texting — 3,000 messages | $79.95 a month | 3,000 messages · $0.012/message overage · per month |
The facts
Each one read from SIP.US Cloud SIP Trunking's own pages, with the date it was checked.
What it does
- Bandwidth
- Customers can choose their own broadband provider, and G.711 calls use approximately 85kbps up/down while G.729 is supported.checked 1 Oct 2026
- Calling coverage
- Each SIP channel includes unlimited outbound calling to the US48 states and Canada and unlimited inbound calling to local numbers.checked 1 Oct 2026
- Call records
- CDRs are viewable near real-time, include today and the past year, and can be downloaded as CSV files.checked 1 Oct 2026
- Concurrent calls
- One SIP channel is required for every concurrent incoming or outgoing call.checked 1 Oct 2026
- Control panel
- The self-service control panel manages SIP trunks, telephone numbers, provisioning, billing and call data records.checked 1 Oct 2026
- DID coverage
- SIP.US offers a searchable database of numbers across the US and Canada, with most DIDs provisioned instantly.checked 1 Oct 2026
- Eligibility
- SIP.US services are available only to businesses based in the United States and Canada.checked 1 Oct 2026
- Failover
- Inbound DID calls can route to primary and secondary IP-PBX systems or a backup PSTN number when routing fails.checked 1 Oct 2026
- Fraud protection
- Real-time international toll fraud protection can terminate unauthorized calls, disable international calling and alert the customer and Network Operations Center.checked 1 Oct 2026
- Integrations
- Supported SIP-enabled PBX systems include 3CX, Asterisk, Elastix, Cisco, Avaya and Grandstream, plus open-source telephony applications.checked 1 Oct 2026
- Product
- SIP.US provides cloud SIP trunking that connects an existing PBX to reliable SIP trunking with flexible channels and no contracts.checked 1 Oct 2026
- Redundancy
- The service uses Tier-1 upstream providers and multiple US gateways to provide a redundant network and avoid single points of failure.checked 1 Oct 2026
- Security
- BCM One says it uses usernames, passwords and industry encryption methods to protect sensitive data transmission, while acknowledging no security practice is foolproof.checked 1 Oct 2026
- Support
- Customers can use the knowledge base or call support at 800-566-9810.checked 1 Oct 2026
Money
- Free trial
- Free trial accounts include 60 minutes of outbound calling to anywhere in the US48, with a SIP trunk created after email confirmation.checked 1 Oct 2026
The company
- Microsoft Teams
- SIP.US connects SIP trunks with Microsoft Teams to provide enterprise voice and collaboration in one platform.checked 1 Oct 2026
Alternatives to SIP.US Cloud SIP Trunking
- 1

Callcentric SIP Trunking
Free planAndroidiOSWebExtension8.0From $1.95 a month - 2

Telnyx SIP Trunking
Free planAndroidiOSWebAPI8.0Free plan - 3
Flowroute
Free planAndroidiOSWebAPI7.9From $1 a month - 4

Anveo Direct
Free planWebAPI7.3From $0.15 a month - 5
BulkVS SIP Trunking
Free planWebAPI7.0From $0.01 a month - 6
Sangoma Carrier Voice
AndroidiOSWebAPI6.3
