# | Model # | Description | Availability | 1 | SN4970/1E15V/EUI | SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 15 VoIP channels; upgradeable to 30, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 2 | SN4970/1E24V/EUI | SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 24 VoIP channels; upgradeable to 30, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 3 | SN4970/1E30V/EUI | SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; not upgradeable , External UI Power, IPv6 ready. | General Availability | | Accessories |
| 4 | SN4970/4E120VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 120 VoIP channels; not upgradeable , Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 5 | SN4970/4E15VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 15 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 6 | SN4970/4E24VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 24 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 7 | SN4970/4E30V120R/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; upgradeable to 120, Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 8 | SN4970/4E30VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 9 | SN4970/4E48VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 48 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 10 | SN4970/4E60VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 60 VoIP channels; not upgradeable , Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 11 | SN4970/4E96VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 96 VoIP channels; upgradeable to 120, Failover Relay, External UI Power, IPv6 ready. | General Availability | | Accessories |
| 12 | SN4971/1E15V/EUI | SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 15 VoIP channels; upgradeable to 30, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 13 | SN4971/1E24V/EUI | SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 24 VoIP channels; upgradeable to 30, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 14 | SN4971/1E30V/EUI | SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; not upgradeable , External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 15 | SN4971/4E120VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 120 VoIP channels; not upgradeable , Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 16 | SN4971/4E15VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 15 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 17 | SN4971/4E24VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 24 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 18 | SN4971/4E30V120R/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; upgradeable to 120, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 19 | SN4971/4E30VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 20 | SN4971/4E48VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 48 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 21 | SN4971/4E60VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 60 VoIP channels; not upgradeable , Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
| 22 | SN4971/4E96VR/EUI | SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 96 VoIP channels; upgradeable to 120, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source | General Availability | | Accessories |
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