SIP Trunking

Explore more flexibility at a
lower cost with Alfonica SIP Trunks

Replace rigid, expensive ISDN solutions with flexible Alfonica SIP Trunks. Organisations can find their operations restricted by inflexible and expensive inbound/outbound voice calls services if delivered via traditional ISDN.

Alfonica SIP Trunking is a great solution for these issues, offering a lower cost per channel than ISDN. SIP trunking also provides more flexibility for geographic telephone numbers on how and where they can be used, as well as greater reliability.

Why not get the conversation started and book a demo today?

Benefits of
SIP Trunking
and Call Management

SIP Trunking puts you in control of your
business communications, offering flexibility
and substantial cost savings

Big Savings
Experience savings of up to 50% on line rentals and 25% or more on call costs compared to traditional ISDN.

Secure Numbers
Move premises with ease (even outside of your geographical area) with our built-in number flexibility that allows you to keep existing numbers.

Free Calling
Take advantage of free call termination to UK fixed destinations and enjoy free calls between connected sites including international locations.

Costs Cut
Use SIP Trunks to reduce the number of ISDN connections that you require while reducing the maintenance costs of your PBXs.

Legacy Proof
Be reassured that SIP trunking can be used with existing ISDN connections to ensure that any transition is seamless.

SIP Solutions for your business

Choosing SIP Trunking means that you'll benefit from a wide range of
advanced features for effective, flexible and reliable communication.

Scalable Lines
Upsize or downsize lines
depending on your seasonal or
marketing campaign needs, all
while keeping your existing
Resilient Services
Reroute calls to an alternative location
quickly and easily with SIP trunking’s built-in
disaster recovery and business continuity
Fraud Monitor
We will monitor your calls. When an unusual pattern of usage is identified, the service alerts our dedicated team to this suspicious activity. All for just £1 per line per month.
Business Continuity
Businesses of all sizes need a continuity plan
for telephony. Combine our SIP trunks with
our inbound service and your callers will
always get through. Set automated call plans
or simply divert published numbers to backup
locations or mobile devices – instantly and
from anywhere.
Full Integration
Take advantage of SIP
trunking’s full integration with
existing business networks
and applications.
Phone Lines and PBX estate

For businesses with several
locations, our SIP trunk
services provides ISDN lines
rationalisation – the ideal way
to reduce the number of IP
PBXs requiring maintenance.
Complete Control
Deploy SIP Trunk Call Manager to
combine SIP with our web-based portal/
app service and take full control of
inbound calls.
Affordable resilience
If you’ve ever had to deal with a service outage you’ll know that a quick response is key. Our active/standby and load sharing designs maintain telephony uptime. Whether you need to keep your business running in an emergency without the high cost of call forwarding or simply need to balance call loadings between sites during peak, SIP Trunks provide a business grade solution.

Want to find out how Alfonica can help you achieve your communication goals with SIP Trunking?

Book a demo with one of our UC experts.
Simply call us on 0330 135 5000 , email,
or fill in our handy form.