Bellus VoIP Terminals

The Inter-Tel Bellus SIP phone series offers a complete lineup of user-friendly VoIP phones that are also eco-friendly. Through its intuitive and pleasing interface, our SIP terminals deliver fully-featured, cost-effective voice and data communications. Inter-Tel defines the standard for low ownership costs through our energy-saving technologies, and we help preserve our precious resources through the use of recyclable and reground plastics.

Bellus SIP Phone Feature Set

The Bellus SIP phone series offers numerous features, including but not limited to: 
  • Support for multiple VoIP accounts on the same terminal
  • Multilingual display selection with support for over 20 languages, ensuring a superior user experience when deployed in global environments
  • An anti-glare, white backlit, pixel-based monochrome LCD, making viewing easy under varied lighting conditions
  • A full-duplex, high-definition audio speakerphone for crystal-clear, hands-free conference communications
  • Call history log for all calls, including dialed calls, received calls, missed calls and forwarded calls (100 entries)
  • Personal and shared speed-dial address books with built-in search, import and export functionality through XML files (300 entries/3 numbers per entry)
  • Call Waiting
  • Call Forwarding
  • Call Transfer (supervised and unsupervised)
  • Three-way conferencing*
  • SMS (Short Message Service)*
  • Nuisance caller block (10 number storage)
  • Multiple pre-programmed and user-defined ring tone selections
  • Adjustable deep-sleep setting controls, for reduced power consumption
  • Illuminated line/feature keys for quick call status indication
  • Digit translation (for quick dialing)
  • Dial number restriction
  • Programmable soft keys
  • Optional PoE (Power Over Ethernet) capability

* Support for these features may vary with your service provider


Configuration Management

Settings on the Bellus SIP-715 are easily managed through the LCD front panel or via a standard web browser. Separate user and administration modes, as well as a user keypad lock for personal privacy protection are standard with Bellus SIP phones.

Security protocols:

  • Support for HTTPS Server and Client, TLS (end-to-end), digest authentication using MD5/MD5-sess, AES encrypted data packet transfer, and SRTP are included

Network management features:

  • Static, DHCP or PPPoE IP address assignment
  • FTP/TFTP client support, Telnet/HTTP/HTTPS/DHCP server, and plug and play auto-provisioning are included
  • STUN (Simple Traversal of UDP through NATs) mode is supported
  • Full support for QoS and VLAN (802.1p/Q)

SIP features supported:

  • VoIP calls can be initiated either with or without a SIP proxy
  • Fully compliant with RFC 2543 and RFC 3261

Audio codecs supported:

  • Wideband (HD) codec: G.722
  • Standard and narrowband codecs: G.711, G.723.1, G.726, G.729ab

DTMF features:

  • In-band, RFC 2833 out-of-band DTMF, SIP INFO (RFC 2976) methods are supported.

Voice processing features:

  • Voice activation detection, comfort noise generator, acoustic echo cancellation, adaptive jitter buffer, automatic gain control, full-duplex hands-free speakerphone with acoustic echo canceller


Hardware Specifications

The following specifications are for the Japan market

  • Phone ports: handset port x 1, headset port x 1
  • WAN: 10/100BASE-T Ethernet port x 1, LAN: 10/100BASE-T Ethernet port x 1
  • LCD screen: Easy to view, anti-glare, soft white backlight, 132 x 64, pixel-based monochrome LCD matrix graphic display
  • Software function access keys: 4
  • Wall mount bracket: included
  • Physical dimensions: (H x W x D) 15.0 x 21.0 x 16.5 cm (5.9 x 8.3 x 6.5 in.)
  • Net weight: 725 g (1.6 lb.)
  • Power supply: Input: 100~240VAC, 50-60Hz, 10VA, Output: 5VDC, 1.2A, Power consumption: 1.4-2.6W
  • Environmental Considerations: Temperature operating range: 0° C to 40° C (32° F to 104° F), Humidity operating range: 10~95% RH (non-condensing), Storage temperature limitation: -10° C to 60° C (14° F to 140° F)
  • Certifications: DoC (Japan), A-Tick (Australia), LVD, CE, REACH (Europe), FCC (United States)

Need More Information?

Click here for a brochure on the Bellus SIP-715
Click here for a brochure on the Bellus SIP-1112




For more information, please contact us.