Sip Trunking allows you to connect your existing telephone system with our VoIP network. Your business can realise the true savings of VoIP over traditional telephony costs through the ATG VoIP network. Our SIP solutions are designed to work with any phone system. Our solutions can VOIP enable your existing system saving the costs of migrating to a fully VOIP PABX or complement your new VOIP PABX by providing a native SIP interface. ATG SIP Trunking service will: Reduce your overall call costs Reduce your expenses on Fixed Telephony costs (Lines rentals, monthly access costs) Provide business grade services so your customers get the voice quality they expect from a traditional phone call  Link multiple offices including home offices with FREE Site to Site calling Enhance your customer existence by linking your Sip Trunks with the various ATG product offerings. Increase your redundancy by providing a Carrier/Networked based overflow solution For more information on SIP Trunking Click Here Enterprise networks ATG can provide every aspect of network services ranging from network design and management to physical implementation and troubleshooting of existing networks Read More. Technical Consultancy We provide a unique service for our clients in order to ensure that they are completely happy with the way that we handle their particular requirement. Read More Web Design At ATG we know how important a strong website is. The nature of the design and functionality of a website must reflect the nature of the business Read More.