The top solutions for VoIP phone services for small businesses are as follows:

Hybrid phone system: Ericsson-LG iPECS eMG80- best overall for small business. Unbelievably low price-point, SIP, VoIP and PTSN friendly. Advanced features, multi-site connectivity and remote-worker capability.

VoIP phone system: Springcom Hosted. Incredible array of features and functions, outstanding cost-saving capability.