Newegg again offers the Obihai OBi100 VoIP Telephone Adapter & Voice Service Bridge for $37.99. Coupon code "EMCWWHW32" drops it to $29.99. With free shipping, that's tied with last month's mention and the lowest total price we could find now by $9. This adapter supports Google Voice, SIP, and OBiTALK VoIP services. Deal ends November 27.