Voice-over-IP wholesale carrier New Global Telecom today announced the release of its third volume in its VoIP informational series, "Strategic Market, Acquisition & Retention Techniques," (SMART) for service providers launching hosted VoIP telephony services to small- and mid-size business customers.

This third volume, and the final in the series, focuses on customer retention and growth. SMART is an extension of NGT's previous planning guide, "10 Critical Questions to Ask Before Launching into VoIP," and it can be download from the carrier's Web site.