SIP
Low Cost IP Communications
SIP
SIP trunk lines are fast replacing traditional analogue and digital ISDN lines. Unlike the analogue and ISDN circuits SIP trunks are delivered over an internet connection via Session Initiated Protocol, which is now supported by most IP enabled telephone systems and IP handsets. SIP trunks can be connected to a IP PBX and can replace or supplement your excisting lines and offer the advantages of
* Easy and quick to provisionl lines
* Low cost trunk rental and call costs. Internal calls are free of charge to anywhere
* Disaster recovery backup solution
* Flexible numbering (out of area codes)
* Can be delivered direct to the desk over your LAN
