O2 Business SIP Trunking pricing
5 plans read from o2.co.uk
SIPT Back Up Channel£1 a month Per channel per month; 24-month term; minimum 20 usersUnderlying SIP access excluded Read 8 Oct 2026 · assets.applytosupply.digitalmarketplace.service.gov.uk
IP Voice (SIP Trunking)£4.50 a month Per instance per monthG-Cloud 14 listing; required underlying SIP access may be additional Read 8 Oct 2026 · applytosupply.digitalmarketplace.service.gov.uk
SIPT Channel Standard£4.50 a month Per channel per month; 24-month term; minimum 20 usersUnderlying SIP access excluded Read 8 Oct 2026 · assets.applytosupply.digitalmarketplace.service.gov.uk
SIPT Channel Standard including mins£6 a month Per channel per month; 24-month term; minimum 20 usersFair Use Policy applies; underlying SIP access excluded Read 8 Oct 2026 · assets.applytosupply.digitalmarketplace.service.gov.uk
SIPT Channel Geo and Network Resilient£14 a month Per channel per month; 24-month term; minimum 20 usersFair Use Policy applies; underlying SIP access excluded Read 8 Oct 2026 · assets.applytosupply.digitalmarketplace.service.gov.uk
In short
- O2 Business SIP Trunking lists no free plan.
- Paid plans published: 5, from £1 a month.
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Callcentric SIP Trunking | $1.95/mo | Yes | No |
| Anveo Direct | $0.15/mo | Yes | No |
| Flowroute | $0.01/mo | Yes | Yes |
| BulkVS SIP Trunking | $0.01/mo | Yes | No |
| Telnyx SIP Trunking | $500/mo | Yes | Yes |
| SIP.US Cloud SIP Trunking | $1/mo | No | Yes |
| AVOXI Global SIP Trunking | $19.99/mo | No | No |
| Sangoma Carrier Voice | — | No | No |