VoIP.ms SIP Trunking

Spec sheet

What it does

Connects an IP PBX or other compatible SIP system to VoIP.ms for inbound and outbound calling over an internet connection.Read 4 Oct 2026 · main.voip.ms

Support

VoIP.ms says technical support is available 24 hours a day, 7 days a week, in English, French, and Spanish.Read 4 Oct 2026 · main.voip.ms

Headquarters

Montreal, CanadaRead 28 Sep 2026 · main.voip.ms

Founded

2007Read 28 Sep 2026 · main.voip.ms

Adjustable channels

The number of SIP trunk channels can be adjusted to support multiple simultaneous calls; the page directs customers to Sales for tailored capacity.Read 4 Oct 2026 · main.voip.ms

Call controls

SIP account settings include IP address authentication and codec, DTMF, and NAT options.Read 4 Oct 2026 · main.voip.ms

Encryption

SIP-TLS and SRTP encryption can be enabled for SIP signaling and audio.Read 4 Oct 2026 · main.voip.ms

Existing PBX support

Customers can connect a compatible existing PBX without replacing their phone system.Read 4 Oct 2026 · main.voip.ms

Failover

Customers can configure failovers for when the primary route is unavailable.Read 4 Oct 2026 · main.voip.ms

Inbound calling requirement

Receiving inbound calls from the phone network requires a DID routed to the SIP setup.Read 4 Oct 2026 · main.voip.ms

Integrations and compatible systems

The service can connect to SIP-compatible PBX systems, IP phones, gateways, softphones, and SBCs; VoIP.ms also provides configuration guides for third-party systems.Read 4 Oct 2026 · main.voip.ms

Intended customers

The SIP trunking page identifies MSPs and resellers, businesses with an existing PBX, and ISPs and service providers as user groups.Read 4 Oct 2026 · main.voip.ms

Microsoft Teams

VoIP.ms offers a Microsoft Teams voice connector, with pricing starting at $4.50 per license.Read 4 Oct 2026 · voip.ms

Monitoring

Call Detail Records and detailed call logs show incoming and outgoing calls, routing, and failover events.Read 4 Oct 2026 · main.voip.ms

Outbound only

Outbound calling is available without purchasing a phone number if a valid caller ID is configured.Read 4 Oct 2026 · main.voip.ms

SIP connection options

SIP connections can use UDP or TCP, and settings can be configured for individual SIP accounts.Read 4 Oct 2026 · main.voip.ms

Plans and prices

Every VoIP.ms SIP Trunking plan and price →

Where Specifiction places it

• SIP Trunking Providers#16 of 277.2