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Gradwell SIP Trunking logo

Gradwell SIP Trunking

Place
#19 of 27
Score
5.3
Gradwell SIP Trunking's website

The facts below are what the maker publishes about Gradwell SIP Trunking, checked and dated. Our editors have not written about it yet.

Plans and prices

From Gradwell SIP Trunking's own pricing page, checked 9 Oct 2026.

All about pricing
PlanPriceWhat it gives you
SIP TrunkingPriced on requestPricing varies by requirements and usage · PAYG and bundled options available

The facts

Each one read from Gradwell SIP Trunking's own pages, with the date it was checked.

What it does

3CX
Gradwell offers 3CX certified SIP trunks, preferred supplier status, and a pre-built setup template.checked 9 Oct 2026
High-volume calls
High-volume trunks target contact centres needing high call-per-second and channel capacity, with unlimited inbound SIP.checked 9 Oct 2026
Intended customers
Gradwell describes its SIP offerings for businesses of all sizes, with specialist options for 3CX users, Teams users, and contact centres.checked 9 Oct 2026
Network
Gradwell says it owns its SIP infrastructure and deploys SIP trunks in a resilient AWS cloud environment across multiple carriers.checked 9 Oct 2026
Numbering
Customers can present local, non-geographical, or international numbers regardless of physical location.checked 9 Oct 2026
Number porting
Number porting can take up to two weeks depending on the number of numbers being transferred.checked 9 Oct 2026
PBX compatibility
The service is performance tested with major PBX vendors and high-volume trunks can integrate directly with an existing PBX.checked 9 Oct 2026
Pricing limit
The site says costs vary by requirements and usage and directs prospective customers to request a quote.checked 9 Oct 2026
Requirements
SIP trunking requires a suitable internet connection and an IP PBX compatible with the required SIP protocol.checked 9 Oct 2026
Security
Gradwell states that it is ISO 27001:2013 certified and its Network Operations Centre monitors systems 24/7.checked 9 Oct 2026
Support
Gradwell offers a dedicated UK support team 24/7/365, with customers paying for the help they need.checked 9 Oct 2026
What it does
SIP trunks connect a business PBX over broadband to the traditional phone network without replacing existing hardware.checked 9 Oct 2026

The company

Founded
1998checked 28 Sep 2026
Headquarters
Bath, United Kingdomchecked 28 Sep 2026
Microsoft Teams
Direct Routing connects Microsoft Teams to the traditional phone network using SIP trunks.checked 9 Oct 2026

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