Orbtalk have a range of SIP trunk products that work with the LG GDK 34i
The GDK34i provides big system solutions to suit your business requirement It's a medium sized system for a medium sized business, ideal for expanding organisations that require ISDN2 and ISDN30 connection. GDK34i provides businesses with all the features needed to manage communications effectively and efficiently. The advanced technology used has also been well received by the hotel industry and applications requiring cordless operation.
Integrated ISDN and analogue services are available to deliver leading edge, feature rich telephony at a competitive price - it's ideally suited to businesses requiring up to 34 lines and 34 extensions.