Polycom SoundPoint 331 IP Phone - Wall Mountable, Desktop - 2 x Total Line - VoIP - Speakerphone - 2 x Network (RJ-45) - PoE Ports



Entry-level IP phones with excellent sound quality, an enterprise-grade feature set and business telephony features.

The SoundPoint IP 321 and 331 are two-line SIP phones that deliver superb sound quality as well as a wide range of supported business telephony features. The SoundPoint IP 321 phone has a single 10/100 Ethernet port and is designed for common areas, such as lobbies, hallways, and break rooms, as well as various wall-mounted deployments. The SoundPoint IP 331 phone, with its dual-port 10/100 Ethernet switch for LAN and PC connection, presents a cost-effective solution for cubicle workers as well as call center operators who use a "hard" phone in conjunction with a "soft" client running on the PC.

General Information
Manufacturer: Poly
Manufacturer Part Number: 2200-12365-001
Manufacturer Website Address: http://www.poly.com
Brand Name: Polycom
Product Line: SoundPoint
Product Model: 331
Product Name: SoundPoint 331 IP Phone
Product Type: IP Phone
Technical Information
IP Phone Technology: VoIP
Total Number of Phone Lines: 2
Speakerphone: Yes
Multiple Conferencing: 3way
Network (RJ-45): Yes
Technical Information
  • Three-way Calling (Conference)
  • Voice Activity Detection
  • Comfort Noise Generation
  • Packet Loss Concealment
  • Adaptive Jitter Buffer
  • Echo Cancellation
  • Background Noise Suppression
  • Call Waiting
  • Call Duration
  • Call Forwarding
  • Hearing Aid
  • Call Pick-up
  • Speed Dial
  • Do Not Disturb Setting
  • Indicator
  • Off-hook Call Placement
  • Call Log
  • Date and Time
  • Multilingual Menu
  • Security
Number of Network (RJ-45) Ports: 2
Technical Information
Voice Codec:
  • G.711 u/A
  • G.729A (Annex B)
PoE (RJ-45) Port: Yes
Display & Graphics
Screen Type: LCD
Management & Protocols
Communication Protocols: SIP
Display & Graphics
Screen Resolution: 102 x 33
Power Description
Power Source: AC Adapter
Physical Characteristics
Form Factor:
  • Wall Mountable
  • Desktop
Weight (Approximate): 1.37 lb
Package Contents:
  • SoundPoint 331 IP Phone
  • Base Stand
  • Network (LAN) Cable
  • Quick Start Guide
  • Product Registration Card
Microphone Port: Yes
Headset Port: Yes
Environmentally Friendly: Yes
Environmental Certification: RoHS
Country of Origin: Thailand
Limited Warranty: 1 Year
Management & Protocols
Quality of Service:
  • 802.1Q VLAN Support
  • 802.1p/q
  • DSCP
  • ToS
Buttons & Keys Type:
  • Volume Control
  • Navigation
  • Menu
  • Transfer/Conference
  • Hands-free
  • Mute
  • Redial/Hold Key
  • Intercom
Power Description
Input Voltage: 24 V DC
Certifications & Standards:
  • FCC Part 15 (CFR 47) Class B
  • ICES-003 Class B
  • EN55022 Class B
  • CISPR22 Class B
  • AS/NZS CISPR 22 Class
  • VCCI Class B
  • EN55024 Class B
  • EN61000-3-2; EN61000-3-3; EN-61000-6-1
  • Anatel
  • GOST
  • C-tick
  • CCC


  • CE Mark
  • EN 60950-1
  • IEC 60950-1
  • NRTL
  • CAB/CSA-C22.2 No. 60950-1-03
  • AS/NZS 60950-1

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