No. 24 of 30 ·SIP Trunking Providers

VoIP.ms SIP Trunking

Name: VoIP.ms SIP Trunking
Price: 23 USD

Android · iPhone · paid plans from $23/mo

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Freedom report

One barScore 5.0

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

VoIP.ms SIP Trunking is ranked #24 of 30 in SIP trunking providers on Freedom251. It runs on Android, iOS. There is no free plan. Paid plans start at $23/mo.

VoIP.ms SIP Trunking plans and pricing

All plans

Inbound SIP Trunk $23/mo Per Channel Inbound SIP trunk channel www5.voip.ms · 4 Oct 2026

Compared on SIP trunking providers

Free plan: No
Pricing model: hybrid
Number porting: Yes
Emergency calling: Yes
Toll-free numbers: Yes
Encrypted signaling: Yes

Best VoIP.ms SIP Trunking alternatives

See all 20

Two bars Callcentric SIP Trunking Free tier No. 1Free6.7 Two bars Twilio Segment Free tier No. 2$120/mo6.5 No signal Bandwidth Messaging API Paid plans No. 3—6.4 No signal BulkVS SIP Trunking Paid plans No. 4$0.01/mo6.4 One bar Telnyx Text-to-Speech API Free tier No. 5$500/mo6.4 No signal Anveo Direct Paid plans No. 6—6.3

The record

What it does: Connects an IP PBX or other compatible SIP system to VoIP.ms for inbound and outbound calling over an internet connection.
Existing PBX support: Customers can connect a compatible existing PBX without replacing their phone system.
Outbound only: Outbound calling is available without purchasing a phone number if a valid caller ID is configured.
Inbound calling requirement: Receiving inbound calls from the phone network requires a DID routed to the SIP setup.
SIP connection options: SIP connections can use UDP or TCP, and settings can be configured for individual SIP accounts.
Encryption: SIP-TLS and SRTP encryption can be enabled for SIP signaling and audio.
Call controls: SIP account settings include IP address authentication and codec, DTMF, and NAT options.
Monitoring: Call Detail Records and detailed call logs show incoming and outgoing calls, routing, and failover events.
Failover: Customers can configure failovers for when the primary route is unavailable.
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.
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.
Microsoft Teams: VoIP.ms offers a Microsoft Teams voice connector, with pricing starting at $4.50 per license.
Support: VoIP.ms says technical support is available 24 hours a day, 7 days a week, in English, French, and Spanish.
Intended customers: The SIP trunking page identifies MSPs and resellers, businesses with an existing PBX, and ISPs and service providers as user groups.
Price from: $23/mo

Where it ranks on Freedom251

Best SIP Trunking Providers in 2026#24 of 30

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Sources

main.voip.ms/products/sip-trunk/· checked 4 Oct 2026
voip.ms/company/news/269· checked 4 Oct 2026
main.voip.ms/support-center/· checked 4 Oct 2026
www5.voip.ms/pricing· checked 4 Oct 2026