Overview As enterprises move toward unified communications, the SmartNodeTM 4940 provides a smooth transition by either IP-enabling traditional PBX systems for SIP trunking over existing Internet connection, adding PSTN-breakout for number portability, or enabling PSTN access for IP PBX and unified communications systems. Preserve investment in legacy phone equipment while taking the next step toward unified communications with Patton's proven SmartNodeTM VoIP solutions. With comprehensive signaling protocol support, the SN4940 supports SIP, H.323, ISDN, and T1/E1 telephony-plus T.38 and SuperG3 FAX-over TDM/PSTN and IP/Ethernet services simultaneously. With up to four T1/E1/PRI ports, connect to any switch, PBX or data network for up to 120 simultaneous calls using SIP, T1, E1 or PRI signaling. The SN4940 also supports all the industry-standard CODECs, delivering toll-quality voice on every call. Proven interoperability with all the major-brand softswitches and IP-PBXs makes it easy for carriers and enterprises to deploy future-proof VoIP systems quickly and profitably. Featuring high reliability and touchless auto-provisioning, tens of thousands of SmartNodeTM devices are up-and-running in enterprise and carrier networks worldwide.

• Up to 120 VoIP calls... with four T1/E1/PRI ports and one Gigabit Ethernet port.
• Proven Interoperability-Interoperable with all the major-brand softswitches and IP-PBXs.
• Comprehensive Signaling Protocol Support-Supports SIP, H.323, ISDN, and T1/E1 telephony-plus T.38 and SuperG3 FAX-over TDM/PSTN and IP/Ethernet services simultaneously.
• Transparent Telephony Features-Complex number manipulation and mapping for seamless integration with existing infrastructures, CLIP, CLIR, hold, transfer and much more.
• Flexible mounting options-The device can be placed on a desktop or installed in a 19-inch rack using the optional rack ear kit (INS-KIT-RACKEARS-11/19)

Up to 120 VoIP calls... with four T1/E1/PRI ports and one Gigabit Ethernet port.Patton