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SIP Trunking Service Providers

Flexible and future-proofed converge voice and data services delivered over a single connection, across our resilient and secure core Network

Reduce your voice services costs, while increasing the quality of your calls; converge voice and data over a single connection with Exponential-e’s SIP Trunking service.

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What is SIP Trunking?

Session Initiation Protocol (SIP) trunking is a voice-over IP (VoIP) protocol that allows internet telephony to be delivered via
SIP-based IP-PBX and Unified Communications platforms, creating a virtual link between these technologies and the standard phone network (i.e. the PSTN). By doing so, it effectively consolidates traditional lines with modern voice and data services. SIP Trunking has established itself as the industry-standard method for businesses (particularly those that manage a high volume of calls on an ongoing basis, including international communications) to connect phone networks to the internet, while reducing ongoing costs and maintenance requirements and avoiding any restrictions on communications to specific national or international locations (a common concern with ISDN).

Why consider SIP Trunking
as part of your wider communications strategy?

SIP Trunking allows you to continue to enjoy the familiarity, call quality and ease of use from the first-class business telephony you depend on, while simplifying your wider communications strategy into a single IP network, leading to tangible cost savings compared to landlines, and supporting the implementation of cutting-edge unified communications. Furthermore, your comms infrastructure will enjoy a higher level of resilience - particularly critical in light of the gradual phasing out of traditional PSTN and ISDN lines.

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A superior SIP service, powered by our Network

Built on our resilient and secure core Network, SIP Trunking offers enhanced features, such as high quality voice calls, resilience, load balancing, call queuing and disaster recovery, enabling flexibility and future-proofing for your business.

01

Keep your onsite PBX

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Cut down to one connection to reduce your costs

03

A future-proof alternative to ISDN

04

Scale capacity flexibly according to business requirements

Why engage Exponential-e as your
SIP Trunking service provider

Built on our resilient and secure core Network and powered by our own UCC solution, SIP Trunking from Exponential-e offers
enhanced features, such as high-quality voice calls, resilience, load balancing, call queuing and disaster recovery, enabling flexibility and futureproofing for your business. With all services powered by our self-owned, business-only network, you will enjoy the high standard of call quality you have come to depend on across every location in which you and your customers are based, combined with complete peace of mind that your comms infrastructure will be able to evolve as your business does.

Keep your on-site PBX

By securely and seamlessly connecting your existing PBX, you can continue to benefit from your investment in on-site infrastructure, while enjoying access to a range of leading-edge overlay features and quality enhancements.

Cut down to one connection to reduce your costs

Consolidating disparate connections down to a single secure, high-performance one offers significant monthly cost saving, while ensuring you only pay for the capacity you actually use, for superior ROI.

A future-proof alternative to ISDN

An IP-based PBX offers an answer to modern business’ demand for optimal power and reliability for every communication, across every channel, regardless of where staff and customers are located, combined with the ability to automatically reroute calls in the event of a disaster recovery scenario.

Scale capacity flexibly according to business requirements

Add or remove resources as needed through a user-friendly customer portal, allowing for maximum flexibility, agility, and operational resilience.

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Talk to one of our specialists

Contact Sales: 0845 470 4001
Service & Support: 0845 230 6001

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London Head Office

100 Leman Street, London, E1 8EU

Manchester Office

3 Hardman Street, Manchester, M3 3HF

Sales: 0845 470 4001
Service & Support: 0845 230 6001

 

*Calls to 0845 numbers will cost 7p p/m plus your phone company’s access charge. All inbound and outbound calls may be recorded for training or quality purposes.

*Calls to 0845 numbers will cost 7p p/m plus your phone company’s access charge.
All inbound and outbound calls may be recorded for training or quality purposes.