![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 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](https://icomtechinc.com/images/product/large/SN4171-1E30VHP-EUI.jpg)
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
![SIEMENS GIGASET SX553 WLAN DSL modem router / VoIP, 4x LAN, ISDN TK ADSL ADSL2+ 4025515808572 | eBay SIEMENS GIGASET SX553 WLAN DSL modem router / VoIP, 4x LAN, ISDN TK ADSL ADSL2+ 4025515808572 | eBay](https://i.ebayimg.com/images/g/A9QAAOxyrjZRtkLf/s-l400.jpg)
SIEMENS GIGASET SX553 WLAN DSL modem router / VoIP, 4x LAN, ISDN TK ADSL ADSL2+ 4025515808572 | eBay
![Come convertire linee isdn in voip o linee voip in ISDN tramite un gateway ISDN? - Centralini cloud, telefoni IP, videoconferenza, cuffie Come convertire linee isdn in voip o linee voip in ISDN tramite un gateway ISDN? - Centralini cloud, telefoni IP, videoconferenza, cuffie](https://www.ezdirect.it/blog/wp-content/uploads/2020/12/gateway_ISDN.jpg)
Come convertire linee isdn in voip o linee voip in ISDN tramite un gateway ISDN? - Centralini cloud, telefoni IP, videoconferenza, cuffie
![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 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](https://www.emtec.com.au/image/cache/data/Patton/VoIP%20Gateways%20and%20Routers/Digital%20VoIP%20Gateways/sn-dta-800x640w.jpg)
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
![Hybrid Voip Gateway/1e1 Digital Voip Gateway / Sip And Isdn Pri/ Ss7 / R2 / Multimedia Trunking Gateway - Voip Products - AliExpress Hybrid Voip Gateway/1e1 Digital Voip Gateway / Sip And Isdn Pri/ Ss7 / R2 / Multimedia Trunking Gateway - Voip Products - AliExpress](https://ae01.alicdn.com/kf/S8e1e4d0912c044c99b3355889ddf2480k/Hybrid-VoIP-Gateway-1E1-Digital-VoIP-Gateway-SIP-and-ISDN-PRI-SS7-R2-Multimedia-Trunking-Gateway.jpg)
Hybrid Voip Gateway/1e1 Digital Voip Gateway / Sip And Isdn Pri/ Ss7 / R2 / Multimedia Trunking Gateway - Voip Products - AliExpress
![Fax Voip T.38 Modem - Virtual Fax and Voice modem for SIP / H.323 / ISDN CAPI 2.0 - About T.38 Modem Fax Voip T.38 Modem - Virtual Fax and Voice modem for SIP / H.323 / ISDN CAPI 2.0 - About T.38 Modem](http://www.t38faxvoip.com/images/faxvoip/about/about_2.jpg)