Datasheet
User manual

VOPTech S4P&S4G

The S4P/S4G IP Phone is a high-end enterprise desktop phone which comes with intelligent DSS Key-mapping to
increase enterprise users’ productivity at a cost-effective price.

Feature Highlights

  • HD Audio
  • 4 SIP Line
  • POE Enabled
  • 2.8” color screen
  • Intelligent DSS Keys
  • Desktop / Wall-mount installation

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Data Sheet

  • 4 SIP Line
  • HD Voice­­­­­­­­
  • POE Enabled
  • 2.8” color screen
  • Handset(HS) / Hands-free(HF) / Headphone(HP) mode (EHS support for Plantronics headsets)
  • Intelligent DSS Keys
  • Desktop / Wall-mount installation
  • Phonebook (500 entries)
  • Remote Phonebook (XML/LDAP)
  • Call log (100 entries, in/out/missed)
  • Black/White List Call Filtering
  • Voice Message Waiting Indication (VMWI)
  • Programmable DSS/Soft keys
  • Network Time Synchronization
  • Action URL / Active URI
  • HD Voice Microphone/Speaker (Handset/Hands-free, 0~7KHz Frequency Response)
  • Wideband ADC/DAC 16KHz Sampling
  • Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB
  • Wideband CODEC: G.722
  • Full-duplex Acoustic Echo Canceller (AEC) – Hands-free Mode, 96ms tail-length
  • Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)
  • Packet Loss Concealment (PLC)
  • Dynamic Adaptive Jitter Buffer up to 300ms
  • DTMF: In-band, Out-of-Band – DTMF-Relay(RFC2833) / SIP INFO

  • Call out / answer / reject
  • Mute / Unmute (microphone)
  • Call Hold / Resume
  • Call Waiting
  • Intercom
  • Caller ID Display
  • Speed Dial
  • Anonymous Call (Hide Caller ID)
  • Call Forwarding (Always/Busy/No Answer)
  • Call Transfer(Attended/Unattended)
  • Call Parking / Pick-up (depending on server)
  • Redial/Auto-Redial
  • Do-Not-Disturb (per line / per phone)
  • Auto-Answering (per line)
  • Voice Message (on server)
  • Local 3-way Conference
  • Hot Line
  • Hot-Desking

  • 10/100Mbps(S4P), 10/100/1000Mbps(S4G) Ethernet, dual bridged port for PC bypass
  • IP Configuration: Static / DHCP / PPPoE
  • Network Access Control: 802.1x
  • VPN: L2TP (Basic Unencrypted) / OpenVPN
  • VLAN
  • QoS
  • Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR069
  • Web Management Portal
  • Web-based Packet-dump
  • Configuration Export / Import
  • Phonebook Import/Export
  • Firmware Upgrade
  • syslog

  • LCD: 2.8 inch (320×240) color-screen
  • Keypad: 39 keys, including
  • 8 DSS key with tri-color LED
  • 4 Soft-keys
  • 7 Function keys
  • 4 Navigation keys + 1 OK key
  • 12 Standard Phone Digits keys
  • 2 Volume Control keys, Up/Down
  • 1 Hands-free key
  • HD Hands-free Speaker (0~7KHz) x1
  • HD Hands-free Microphone (0~7KHz) x1
  • HD Handset (RJ9) x1
  • Standard RJ9 Handset Wire x1
  • 5M CAT5 Ethernet Cable x1
  • RJ9 Phone port x2: Handset x1, Headphone x1
  • RJ11 EXT port x1: Extension Module x1
  • RJ45 Ethernet Port x2: Network x1 (802.3AF POE Class 2Enabled)
  • PC x1 (Bridged to Network)
  • Main Chipset: Broadcom
  • DC Power Input: (S4P) 5V / 0.6A     (S4G) 5V / 1A
  • Power Consumption: (S4P) Idle –~3W, Peak – ~4.3W
  • (S4G) Idle – ~1.7W, Peak – ~5.7W
  • Working Temperature: 0~40℃
  • Working Humidity: 10~65%
  • Dual-Functional Back Rack x1: Desktop Stand / Wall-mount
  • Color: Black
  • Package Dimensions: 260x255x62mm (L x W x H)