Gradwell SIP Trunking
API—OSS—FREE—DOCS2/5
GS4.9#30 of 30
outWeb—Windows—Mac—Linux—Android—iOS
Ranked in SIP Trunking Providers ·No free plan on record
About
Gradwell SIP Trunking is ranked #30 of 30 in SIP trunking providers on Inferse. It runs on Web. There is no free plan.
Compared on SIP trunking providers
- Free plan
- Nogradwell.com
- Pricing model
- hybridgradwell.com
- Number porting
- Yesgradwell.com
Facts
- What it does
- SIP trunks connect a business PBX over broadband to the traditional phone network without replacing existing hardware.gradwell.com · 9 Oct 2026
- 3CX
- Gradwell offers 3CX certified SIP trunks, preferred supplier status, and a pre-built setup template.gradwell.com · 9 Oct 2026
- Microsoft Teams
- Direct Routing connects Microsoft Teams to the traditional phone network using SIP trunks.gradwell.com · 9 Oct 2026
- High-volume calls
- High-volume trunks target contact centres needing high call-per-second and channel capacity, with unlimited inbound SIP.gradwell.com · 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.gradwell.com · 9 Oct 2026
- Numbering
- Customers can present local, non-geographical, or international numbers regardless of physical location.gradwell.com · 9 Oct 2026
- Security
- Gradwell states that it is ISO 27001:2013 certified and its Network Operations Centre monitors systems 24/7.gradwell.com · 9 Oct 2026
- Network
- Gradwell says it owns its SIP infrastructure and deploys SIP trunks in a resilient AWS cloud environment across multiple carriers.gradwell.com · 9 Oct 2026
- Support
- Gradwell offers a dedicated UK support team 24/7/365, with customers paying for the help they need.gradwell.com · 9 Oct 2026
- Requirements
- SIP trunking requires a suitable internet connection and an IP PBX compatible with the required SIP protocol.gradwell.com · 9 Oct 2026
- Pricing limit
- The site says costs vary by requirements and usage and directs prospective customers to request a quote.gradwell.com · 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.gradwell.com · 9 Oct 2026
Company
- Founded
- 1998gradwell.com · 28 Sept 2026
- Headquarters
- Bath, United Kingdomgradwell.com · 28 Sept 2026
Best Gradwell SIP Trunking alternatives
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Where it ranks on Inferse
- Best SIP Trunking Providers in 2026#30 of 30
Sources
- gradwell.com/sip-trunks/· checked 9 Oct 2026
- gradwell.com/sip-trunking-provider/· checked 9 Oct 2026
- gradwell.com/sip-trunks/· checked 9 Oct 2026