BT Global SIP

About

BT Global SIP is ranked #15 of 30 in SIP trunking providers on Inferse. It runs on Web.

Compared on SIP trunking providers

Pricing model

hybridinternational.bt.com

Number porting

Yesinternational.bt.com

Emergency calling

Yesinternational.bt.com

Encrypted signaling

Yesinternational.bt.com

Facts

Purpose

Global SIP provides VoIP connectivity between an on-premises phone system and the public switched telephone network.business.bt.com · 7 Oct 2026

Service options

Depending on the country, the service is available as full PSTN/ISDN replacement or as outbound voice service without full replacement.business.bt.com · 7 Oct 2026

Calling features

The product supports inbound PSTN traffic, outbound local, regional and national calls, emergency calls, number porting, and DDI reservation and allocation.globalservices.bt.com · 7 Oct 2026

Integrations

BT describes integration with Microsoft Teams, Zoom Meetings and Cisco Webex.international.bt.com · 7 Oct 2026

Coverage

BT states that Global SIP Outbound is available in 73 countries and full PSTN replacement is available in 24 countries.globalservices.bt.com · 7 Oct 2026

Management portal

The cloud-based self-service portal provides 24/7 access to order, provision and manage Global SIP, with changes taking effect in real time.globalservices.bt.com · 7 Oct 2026

Portal charge

BT states that the Global Voice self-service portal has no charge.globalservices.bt.com · 7 Oct 2026

Security

BT describes end-to-end security, fraud prevention and monitoring across its voice solutions.international.bt.com · 7 Oct 2026

Compliance limitation

BT's service schedule states that Global SIP is not PCI DSS compliant and should not be used for payment card traffic.business.bt.com · 7 Oct 2026

Support and sales

BT invites prospective customers to contact a specialist for information about the service and its pricing.globalservices.bt.com · 7 Oct 2026

Intended customers

BT describes Global SIP as a service for global organisations seeking to consolidate voice and data networks and connect collaboration platforms.international.bt.com · 7 Oct 2026

Company

Founded

1846international.bt.com · 28 Sept 2026

Headquarters

London, United Kingdominternational.bt.com · 28 Sept 2026

Where it ranks on Inferse

• Best SIP Trunking Providers in 2026#15 of 30

Sources

• business.bt.com/content/dam/bt-business/pdfs/terms-and-· checked 7 Oct 2026
• globalservices.bt.com/btfederal/solutions/products/global-sip· checked 7 Oct 2026
• international.bt.com/products-services/voice-collaboration-C· checked 7 Oct 2026
• international.bt.com/platforms/global-voice· checked 28 Sept 2026