New ESBRs for SMEs from Patton
Patton Electronics is a company you're probably not too familiar with, but if you're in the UC market, you might want to look into them. The company's specialty is "interconnecting legacy TDM and serial systems with new-generation IP-based voice, data, and multi-media technologies." For UC, the company offers a range of network access products under the SmartNode brand, including VoIP gateways and routers, including basic gateways for TDM PSTN networks, integrated access devices, Enterprise Session Border Routers, etc.