Patton SmartNode VoIP GW, 1 E1/T1 Pri, 30 VoIP Calls Not Upgreadable, Or 15 Sip-Sip Calls (Sip B2B Ua) Upgradeable (Max. 200), High Precision 5PPM Clock,Optional Sip-Tls, SRTP, 2X Gig Ethernet, 1X Usb

Patton 19 Inch Rack Mount Kit, Holding 1 Or 2 Patton Devices In Medium Plastic Enclosure (E.g. Sn553x/2-4Bis, Sn4131x/2-4Bis, SN554X Non Wan, SN414X, Sn415x/2Bis2js, SN5501, SN5571 Non Wan, SN417X, Os

Patton Rack Mount Ears For Sn4970/71/70A, Sn4980/81/80A, Sn4991/90A, SN5400/80/81/90/91, SN4940/50/60, SN4660/70, SN463X, SN465X. Fits A 11.5 Inch Case Into A 19 Inch Rack Space.

Patton Rack Mount Ears For Sn55xx/Ava/Avb/2G/4G/F & Sn553x/8Bis, Sn413x/8Bis, SN415X/4BISxyz, SN555X/4BISxyz. Fits A 12 Inch Case Into A 19 Inch Rack Space.

Patton SmartNode VoIP GW, 4 Bri Te/Nt, 8 VoIP Calls, Or 4 Sip-Sip Calls (Sip B2B UA)upgradeable (Max. 192), Optional Sip-Tls, SRTP, 1X Gig Ethernet, High Precision Clock 5PPM, 1X Usb Port, External Po

Patton SmartNode VoIP GW, 1 E1/T1 Pri, 15 VoIP Calls Not Upgradeable, Or 15 Sip-Sip Calls (Sip B2B Ua) Upgradeable (Max. 200), High Precision 5PPM Clock, Optional Sip-Tls, SRTP, 1X Gig Ethernet, 1X Us

Patton SmartNode VoIP GW, 1 E1/T1 Pri, 30 VoIP Calls Not Upgreadable, Or 15 Sip-Sip Calls (Sip B2B Ua) Upgradeable (Max. 200), High Precision 5PPM Clock,Optional Sip-Tls, SRTP, 1X Gig Ethernet, 1X Usb