The latest technology offering flexible, cost effective connections
Analogue, ISDN2, ISDN30
Alliance has extensive experience of provisioning line rental solutions over the BT Network and will install your analogue and digital fixed lines reliably and efficiently.
We understand the market well and will manage the transfer of your existing installed lines seamlessly and without service interruption. Hassle-free line rental and outstanding call packages can be combined with our other Alliance offerings to provide a one bill service.
✔ Low cost call rates and line rental charges
✔ Excellent reliable customer service
SIP Trunk services
Business are rapidly moving towards SIP and IP telephony, especially since the withdrawal of ISDN has been announced. Voice and data convergence reduces cost and enables better functionality, bringing modern day flexibility to your business and utilising your IP infrastructure.
Working with our SIP network partner Voiceflex, we deliver calls and services when and how you want them. Automated programming within the Voiceflex network responds to changes and protects you from loss of service or outage.
Great call quality
Sound quality is improved through the engineered core network and use of the latest codecs.
Stable & Reliable
Years of core ‘up time’ is expected and delivered by careful engineering and a team dedicated to delivery.
Need more voice channels?
Want to order 100 London numbers?
Get them instantly allocated to your SIP trunk.