Poly 250 Phone Manual

The Poly 250 is a versatile business phone featuring HD voice quality, multiple line support, programmable keys, PoE (Power over Ethernet) capability, integrated Gigabit Ethernet switch, support for multiple VoIP protocols, LCD display with backlight, headset compatibility, and advanced call management features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: LCD display with backlight, Handset, Base unit, Ethernet ports, Programmable keys, Headset jack.

Feature	Description
HD Voice	Wideband audio for crystal-clear conversations
Gigabit Ethernet Ports	10/100/1000 Mbps with integrated switch
Power over Ethernet (PoE)	IEEE 802.3af compliant for single cable power
Programmable Keys	Customizable for speed dial, line appearances, features
LCD Display	Backlit for visibility in various lighting
Headset Port	Standard 3.5mm jack for hands-free operation
Multiple Line Support	Up to 6 SIP lines/configurable call appearances
VoIP Protocols	SIP, SDP, RTP, RTCP, TLS, SRTP
Call Features	Hold, transfer, conference, forward, voicemail
Security	Password protection, encrypted signaling/media

Installation

Unpack and inspect contents. Place on stable surface.

1. Connect to network: Use Ethernet cable to connect LAN port to switch/router.
2. Power the phone: Use PoE from switch or connect included power adapter.
3. Connect handset: Plug coiled cord into handset and base unit.
4. Optional headset: Plug into 3.5mm headset jack.

WARNING! Use only approved power adapter. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow initialization process.

1. Network configuration: Obtain IP via DHCP or configure manually through web interface.
2. Account configuration: Enter SIP server details, username, password, authentication.
3. Program keys: Assign functions to programmable keys via phone menu or web portal.
4. Set preferences: Configure ring tones, display contrast, date/time format.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

• Display: 2.4-inch grayscale LCD with backlight.
• Network: Dual 10/100/1000 Mbps Ethernet ports with PoE (802.3af).
• Audio: HD voice (wideband), G.722, G.711, G.729 codecs.
• Connectors: Handset, headset, Ethernet (LAN/PoE, PC), power.
• Protocols: SIP v2 (RFC3261), TCP/IP, UDP, RTP, RTCP, DNS, DHCP.
• Power: PoE (802.3af Class 2) or 5V DC power adapter.
• Operating Temp: 32°F to 104°F (0°C to 40°C).
• Dimensions: 7.5 x 8.2 x 6.3 inches (190 x 208 x 160 mm).

Controls and Settings

Access menu via MENU button. Front Panel: LCD, Navigation keys, Soft keys, Handset icons.

Key Functions: HOLD, TRANSFER, CONFERENCE, VOLUME UP/DOWN, MUTE, HEADSET, SPEAKERPHONE.

Basic Settings: Ring tone selection, display contrast, time format, language. Network: IP configuration, VLAN, QoS. Account: SIP registration, server addresses, authentication. Programmable Keys: Assign line appearances, speed dials, BLF (Busy Lamp Field). Security: Admin/user password, encryption settings.

Connecting Devices

Network: Ethernet cable to LAN port. PC: Connect to PC port for pass-through. Headset: 3.5mm jack.

1. Turn off phone before connecting additional devices.
2. Connect Ethernet cable from network switch to LAN port.
3. For PC connection, use second Ethernet cable from PC port to computer.
4. Select audio mode via HEADSET or SPEAKERPHONE button.

Tip: Use quality CAT5e or higher cables for optimal performance.

Advanced Call Features

Supports standard and advanced telephony features.

1. Make call: Lift handset or press SPEAKERPHONE, dial number.
2. Answer call: Lift handset, press SPEAKERPHONE, or press corresponding line key.
3. Hold: Press HOLD button during active call.
4. Transfer: Press TRANSFER, dial target number, announce then complete transfer.
5. Conference: Establish first call, press CONFERENCE, dial second party, press CONFERENCE again.
6. Forward: Configure via call forward settings to redirect calls.
7. Voicemail: Access by pressing voicemail key or dialing voicemail number.
8. Speed dial: Program keys for one-touch dialing of frequently called numbers.

WARNING! Do not disassemble phone; no user-serviceable parts inside.

Accessibility Features

Hearing Aid Compatible: Meets FCC requirements. Visual Alerts: Flashing LED for incoming calls. Audio Adjustment: Separate volume controls for handset, speaker, ringer. Large Font Option: Available in display settings menu.

Care & Cleaning

Unplug power before cleaning. Use slightly damp cloth for exterior; dry immediately. Do not use abrasive cleaners or solvents.

CAUTION! Avoid getting moisture into openings; keep away from heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. FCC Part 68: Registered for connection to telephone network. Industry Canada CS-03 compliant. Hearing Aid Compatibility: Meets FCC standards. For support, visit www.poly.com/support or contact 1-800-765-9966.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No dial tone	Network/Power	Check Ethernet connection; verify PoE/power adapter; reboot phone.
Cannot register to server	Configuration	Verify SIP settings, username/password; check network connectivity to SIP server.
Poor audio quality	Network/QoS	Check cable quality; configure QoS on network; ensure adequate bandwidth.
Display blank	Power/Backlight	Check power source; adjust display contrast in settings; verify backlight setting.
Keys not responding	Software	Reset to factory defaults; upgrade firmware if available.

Reset: Press and hold # key during boot for factory reset (caution: erases all settings).

Service: 1-800-765-9966; www.poly.com/support