Evolve voice services and make cost savings compared to ISDN
SIP Trunks are more cost effective than traditional connections to the public telephone network, such as ISDN.
They’re more flexible, easily adapting to changes in demand, or resilience requirements. And they’ll flex, as your organisation or locations change.
Choose from our three simple packages. They all help you to budget for voice calls easily.
Rationalise your telephony estate. Centralise to a single PBX, eliminate multiple ISDN lines and make more efficient use of your telephony capacity.
Whatever your business need, we can help you grow and support all your fixed, mobile, voice and data requirements.
It’s easy to add and remove telephony capacity to adapt to busy periods, campaigns or special events.
We offer multiple connectivity options. And work with you to choose the best one for your business
Moving offices? No problem. There’s no need to change your numbers, so you won’t have to worry about the cost of call forwarding or stationery updates.
Replace ISDN and traditional phone lines
Price per minute
Perfect if you have fairly stable demand levels.
UK domestic bundle
Ideal for maintaining a consistent spend on your domestic landline calls
UK domestic and mobile bundle
Ideal if you have a significant base of mobile users.
Read more about O2 SIP Trunking for medium sized businesses
Read more about O2 SIP Trunking for larger businesses.
Get more information the O2 SIP Trunking tariff here including voice termination rates
Download the latest O2 SIP Trunking price list, including pricing for SIP channels, New numbers, Porting Numbers and the minute bundle options.