SIP Trunking

SIP Trunking offers a low-cost alternative to traditional ISDN/PSTN landlines for on-premise phone systems.

Your #1 SIP Trunking Provider

Your #1 SIP Trunking Provider

Infinics are the leading provider of SIP Trunking services in the United Kingdom. Our plans are not only cost efficient, but tailored to meet your business needs. Whether you're a Small, Medium or Large businesses, Government entity, or Non-profit, we have plans that meet your communications needs. All our plans include unlimited inbound and outbound calls, among other incredible features.

Future-proof your business and reduce costs.

Compatible with all the leading IP PBX brands you can quickly connect your phone system to our IP network and start making high quality, low-cost voice calls across the internet.

SIP delivers the flexibility to decide where you want calls to your phone number delivered, making the service ideal for business continuity and remote working scenarios – if you have a site related issue just divert your inbound traffic to another destination within minutes.

With no need for additional phone line installation, SIP Trunks can be scaled up or down in line with your changing business needs. Businesses experiencing busier periods can choose to increase their resources as and when they need to.

Is your business ready for the all-IP revolution?

As more and more businesses adopt all-IP working, Openreach plan to withdraw their ISDN and PSTN landline network in 2025. Migrating to an alternative IP voice service such as Hosted Voice or SIP Trunking is easier than you think. Talk to us today to discover how your business can embrace all-IP working today.

Business Benefits of SIP Trunking

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Reduce costs

Save on call costs, rental charges, business continuity, calling and network features in comparison to traditional fixed line services.

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Quick to deploy

Add SIP trunks on a channel by channel basis to match your business need. Real-time provisioning means immediate service delivery.

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Flexible

Your phone numbers become geographically independent so you can take your numbers with you when you move premises.

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Business continuity

SIP can provide automatic failover to another site, ideal when you have on-site problems like power-cuts or loss of service. It takes just a few minutes to re-route your calls to an alternative location.

Is your business ready for the all-IP revolution?

As more and more businesses adopt all-IP working, Openreach plan to withdraw their ISDN and PSTN landline network in 2025. Migrating to an alternative IP voice service such as Hosted Voice or SIP Trunking is easier than you think. Talk to us today to discover how your business can embrace all-IP working today.

Is your business ready for the all-IP revolution?

As more and more businesses adopt all-IP working, Openreach plan to withdraw their ISDN and PSTN landline network in 2025. Migrating to an alternative IP voice service such as Hosted Voice or SIP Trunking is easier than you think. Talk to us today to discover how your business can embrace all-IP working today.