SN4171/1E30VHP/EUI - SmartNode VoIP GW, 1 E1/T1 PRI, 30 VoIP Calls not upgreadable, or 15 SIP-SIP calls (SIP b2b UA) upgradeable - Communication Gateway - iComTech
SN4170 E1/T1 PRI VoIP Gateway - PlanetComm
2/4 Bri Ports Isdn Network VoIP Bri Gateway - China Bri Gateway, VoIP Gateway | Made-in-China.com
Patton SmartNode Gateways Comparison: SN4170 vs SN5570 - VoIP Insider
SN4130 ISDN BRI VoIP Gateway - PlanetComm
Patton SmartNode VoIP Gateway DTA 2 BRI ISDN Digital Terminal Adapter - 2 VoIP Calls (upgradeable max. 4), 16 SIP Sessions (SIP b2b UA) not upgradeable, High Precision 5ppm Clock
VoIP Router with 3 or 5 BRI So Ports | SmartNode 4630
funkwerk bintec R1200WU WLAN/IP Router with ISDN + UMTS PC-Card Slot
SIP Trunking
100% VoIP - Digital VoIP Gateway - Patton SmartNode SN5531/4BIS8VHP/EUI - IP&Go
VoIP ISDN Adapter | SmartNode DTA BRI VoIP Gatewy
Amazon.com: LANCOM 821+ - Router - ISDN/DSL - 4-port switch - VoIP gateway - desktop : Electronics
Yeastar TB200 & TB400 - BRI VoIP Gateway | ISDN Gateways | Yeastar
Patton Electronics Product Catalog - SmartNode 1200 ISDN/BRI VoIP Media Gateway
Patton SN41201BIS2VEUI - ISDN BRI VoIP Gateway (SN4120/1BIS2V/EUI) - Newegg.com
2/4/8-Port BRI ISDN VoIP Gateway | SmartNode 4130
VoIP IAD w/G.SHDSL Router & 3/5 BRIs | SmartNode 4650
Patton Smartnode SN4634/3BIS/EUI VoIP Gateway Router 2BRI | eBay
SIP trunking. The difference between PSTN, ISDN and VoIP.
Patton Electronics SmartNode SN5570 Enterprise Session Border Router
The Ultimate Guide to IP PBX and VoIP Systems. The Best Free IP PBXs For Businesses
