Asterisk
Orbtalk have a range of SIP trunk products that work with Asterisk
Asterisk® is the world’s leading open source telephony engine and tool kit. Offering flexibility unheard of in the world of proprietary communications, Asterisk empowers developers and integrators to create advanced communication solutions...for free.
Asterisk runs on a wide variety of operating systems including Linux, Mac OS X, OpenBSD, FreeBSD and Sun Solaris and provides all of the features you would expect from a PBX including many advanced features that are often associated with high end (and high cost) proprietary PBXs. Asterisk's architecture is designed for maximum flexibility and supports Voice over IP in many protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware.
What we provide
Orbtalk specialise in SIP and VoIP solutions for business and are unique in this market space due to our global reach. This allows us to offer SIP Trunking and Cloud Phone Systems to organisations across the globe for single and multi-sited companies. Our global presence also means that we have one of the largest offerings of international numbers available from over 8000 destinations globally.