ErisTerminal™ SIP Feature Deskset

Support for up to 5 SIP lines/accounts with 16 keys that provide 32 programmable functions.



    Advanced call handling

    Impress customers with comprehensive call handling features that are compatible with hosted and open-source PBX platforms.**


    With support for up to five SIP lines/accounts, you can manage multiple calls with advanced call handling features.

    Intuitive design

    You're in business with a user-friendly interface, large backlit display, three soft keys and navigational pad.

    One-button call routing

    Program up to 16 dual-function feature keys for convenient access, including shared call appearances (SCA), busy lamp fields (BLF), quick dial and feature codes.

    Full-duplex speakerphone

    Finally, a speakerphone that can keep up with your calls. Increase participation by allowing parties on both ends to speak and be heard—at the same time—for conversations that are more true to life.

    HD voice quality

    With G.722 wideband codec support for HD audio, calls have never sounded so rich and life-like.

    Cordless convenience

    Thanks to the built-in DECT 6.0 radio, you can pair a compatible VTech cordless headset for hands-free mobility and super-clear sound quality.

    Dual Ethernet ports

    Do more with dual Ethernet ports. Connect your desktop computer or laptop to the phone—no need for extra cabling.

    Power over Ethernet (PoE)

    With PoE support, you can locate the phones anywhere that's convenient—no AC outlets or complicated wiring required.

    NOTE: Features and functionality may vary, depending on SIP service provider and/or SIP based PBX equipment.

    ** Compatible with Broadsoft® and Asterisk-based platforms.

  • DECT 6.0 RF module embedded
  • DECT 6.0 (maximum register): 1 cordless headset VSP505
  • Dual Ethernet ports GigE
  • Base power: adaptor (included) and Class 2 PoE
  • Display, Keys and Indicators
  • 206 x 128 pixel (wxh) LCD resolution
  • LCD backlighting (white)
  • 4 soft keys
  • 18 dedicated feature keys
  • 32 programmable feature keys (2 pages x 16)
  • 4-way navigational pad
  • Message waiting LED indicator
  • Audio
  • Full-duplex base speakerphone
  • HAC receiver
  • 2.5 mm corded headset jack
  • HD Voice for receiver and speakerphone
  • Phone Features
  • Supports up to 5 SIP account registations
  • Local phonebook up to 200 entries
  • Call history up to 200 entries
  • Busy Lamp Field (BLF)
  • Shared Call Appearance (SCA)/Bridged-Line Appearance (BLA) (no. of line)
  • Do Not Disturb (DND)
  • 3-way local conference
  • N-way network conference
  • Call barring/blocking (block anonymous/blacklist)
  • Dial plan/digit map
  • Call transfer
  • Call hold
  • Call park
  • Call pickup
  • Call forwarding: per-line basis (busy/always/no answer)
  • Call timer (call duration)
  • Phonebook matching(incoming and outgoing calls)
  • Multicast paging
  • Multi-language support
  • Security
  • 802.1x
  • 802.1pq
  • Transport Layer Security (TLS)
  • AES encryption of config file for provisioning (128 / 64 / 32 / 16 bits)
  • Network
  • STUN
  • NAT
  • SNTP
  • VLAN
  • Layer 3 QoS (ToS, Diffserv)
  • Voice CODEC
  • G.711 a-law & u-law
  • G.722
  • G.726
  • G.729
  • Provisioning
  • DHCP Options: 66, 159,160
  • Web interface configuration (admin & user)
  • PnP
  • Maintenance
  • Diagnostic: pcap trace
  • Syslog
  • Compatibility
  • Broadsoft® Broadworks
  • Asterisk-based platforms
Vtech VSP735 Data Sheets