
The Bellus™ platform delivers an advanced, yet user-friendly SIP server platform with encrypted SIP phone terminals that are also eco-friendly.

General Specifications of Bellus SIP server platforms
All Bellus platforms provide an exceptionally rich and robust feature set, including:
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| Maximum users |
30 | 100 | 100 |
| Concurrent calls | 8 | 22 | 15 |
| Voice mail capacity | 4,000 min (67 hours) | 4,000 min (67 hours) | 4,000 min (67 hours) |
| Line interface | Up to 4 analog ports (FXS or FXO) |
Up to 16 analog ports (FXS or FXO) |
One J1/PRI/E1/T1 Up to 8 analog ports (FXO/FXS) |
| Flash | 512MB Onboard | 512MB Onboard | 512MB Onboard |
| RAM | 64MB | 128MB | 128MB |
| LAN | 1 (10/100Mb/s) | 1 (10/100Mb/s) | 1 (10/100Mb/s) |
| WAN | 1 (10/100Mb/s) | 1 (10/100Mb/s) | |
| Power supply | 100~240VAC 50~60Hz (DC 12V, 1A) |
100~240VAC 50~60Hz (DC 12V, 5A) |
100~240VAC 50~60Hz (DC 12V, 5A) |
| Protocols | SIP (RFC3261) | SIP (RFC3261) IAX2 | SIP (RFC3261) IAX2 |
| Transport protocols | UDP, TCP, TLS | UDP, TCP, TLS, SRTP | UDP, TCP, TLS, SRTP |
| Codecs | G.711, GSM, SPEEX, G.722, G.726, ADPCM, G.729A, H261, H263, H263p, H264, MPEG4 | G.711, GSM, SPEEX, G.722, G.726, ADPCM, G.729A, H261, H263, H263p, H264, MPEG4 | G.711, GSM, SPEEX, G.722, G.726, ADPCM, G.729A, H261, H263, H263p, H264, MPEG4 |
| DTMF | Inband, RFC2833, SIP INFO | Inband, RFC2833, SIP INFO | Inband, RFC2833, SIP INFO |
| LED’s | Red-FXO, Green-FXS | Red-FXO, Green-FXS | Red-FXO, Green-FXS |
| Network | Firewall, VLAN, DDNS, QoS, DHCP Server | Static IP, PPPoE, DHCP, Firewall, VLAN, DDNS, QoS, DHCP Server, OpenVPN | Static IP, PPPoE, DHCP, Firewall, VLAN, DDNS, QoS, DHCP Server, OpenVPN |
| Language | English/Japanese | English/Japanese | English/Japanese |
| Weight | 500g | 700g | 600g |
| Size (mm) | 193x153x30 | 280x175x33 | 280x175x33 |
Specifications are subject to change without notice.