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VoIP.ms SIP Trunking

Paid#23 of 28 in SIP Trunking Providers

VoIP.ms SIP Trunking: A flexible SIP trunking service for businesses that need routing, security, and PBX control. Ranked #23 of 28 in SIP Trunking Providers by our editors (7.0/10); pricing: Pricing on request; best for PBX users needing configurable SIP controls.

7.0/10Editor score

Visit VoIP.ms

VoIP.ms SIP Trunking7.0 Visit VoIP.ms

At a glance

Editor score
7.0 / 10
Pricing
Pricing on request
Best for
PBX users needing configurable SIP controls
Free plan
No
Emergency calling
Yes
Founded
2007 · Montreal, Canada
Facts checked
19 Sep 2026

Where it wins
- Supports inbound and outbound calling with routing and failover
- Includes SIP-TLS, SRTP, IP, and POP restrictions
- Offers REST/JSON and SOAP APIs plus PBX and Teams integrations
Where it doesn't
- Pricing requires contacting sales for a tailored arrangement
- There is no free plan
- Usage-based per-minute calling can make costs variable

Our verdict on VoIP.ms SIP Trunking

VoIP.ms SIP Trunking connects an existing PBX, IP phone system, SIP gateway, or other SIP-compatible system to VoIP.ms for inbound and outbound calling. It is aimed at businesses with established telephony infrastructure, as well as managed service providers, resellers, ISPs, and other service providers. The service also supports Microsoft Teams, making it relevant for organizations combining SIP infrastructure with Teams-based calling workflows.

Pricing uses a hybrid model. The Inbound SIP Trunk plan lists pricing per channel, while burstable Virtual PRI is available as an additional service. VoIP.ms also advertises usage-based per-minute calling, so the total arrangement depends on channel needs and call activity. A free plan is not offered, and the contact-sales model suits organizations that want to discuss requirements rather than select a fully self-serve package.

Control is the main strength. Administrators can configure call routing and failover, codecs, DTMF, NAT options, SIP credentials, and multiple points of presence. Call detail records and call logs support operational oversight, while SIP-TLS and SRTP encryption, IP address restrictions, and POP restrictions add security controls. API access is available through REST/JSON and SOAP. Choose VoIP.ms when an existing PBX environment needs configurable SIP connectivity and integration options. Organizations seeking a free plan or a simpler, fixed-cost calling service should consider a different type of provider.

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VoIP.ms SIP Trunking pricing

Plans Pricing on requestPaid No free plan — trial or paid only. Prices checked 19 Sep 2026.

See plans on main.voip.ms

All 1 VoIP.ms SIP Trunking plans and prices →

VoIP.ms SIP Trunking fact sheet

Free plan	No
Paid from	Not verified
Pricing model	Hybrid
Concurrent channels	Not verified
Number porting	Yes
Emergency calling	Yes
Toll-free numbers	Yes
Encrypted signaling	Yes
Deployment	Mobile
Platforms	iOS, Android
Integrations	4 integrations: Existing PBX systems, IP phones, SIP gateways, Microsoft Teams
Pricing	Pricing on request (source)
Website	main.voip.ms
Facts checked	19 Sep 2026

VoIP.ms SIP Trunking integrations

VoIP.ms SIP Trunking lists 4 integrations on its own site.

Existing PBX systems
IP phones
SIP gateways
Microsoft Teams

Alternatives to VoIP.ms SIP Trunking

See all VoIP.ms SIP Trunking alternatives →

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used VoIP.ms SIP Trunking for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

VoIP.ms SIP Trunking is listed in our SIP Trunking Providers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update