1. Introduktion
This manual provides detailed instructions for the setup, operation, and maintenance of your Snom 300 IP Phone. The Snom 300 is a SIP-based business telephone designed for efficient communication in professional environments. It features a backlit display, programmable function keys, and support for various VoIP functionalities.
Please read this manual thoroughly before using your device to ensure proper functionality and to maximize its capabilities.
2. Sikkerhedsoplysninger
Overhold følgende sikkerhedsretningslinjer for at forhindre skader på enheden eller personskade:
- Udsæt ikke telefonen for vand eller fugt.
- Undgå at placere telefonen i nærheden af varmekilder eller i direkte sollys.
- Use only the power supply specified for this device (if not using Power over Ethernet).
- Hold telefonen væk fra stærke elektromagnetiske felter.
- Forsøg ikke at åbne eller reparere enheden selv. Overlad al service til kvalificeret personale.
3. Pakkens indhold
Bekræft, at din pakke indeholder følgende varer:
- Snom 300 IP-telefonenhed
- Håndsæt
- Håndsæt oprullet ledning
- Ethernet-kabel
- Skrivebordstativ
- Hurtig installationsvejledning (hvis inkluderet)

Billede 3.1: Contents of the Snom 300 IP Phone package, including the main phone unit, handset, coiled cord, Ethernet cable, and desk stand.
4. Fysisk overview
Familiarize yourself with the components of your Snom 300 IP Phone.

Billede 4.1: Front view of the Snom 300 IP Phone, showing the display, navigation keys, dial pad, and programmable function keys.
4.1 Frontpanel
- Vise: 2 x 16 character backlit LCD for call information and menu navigation.
- Navigationstaster: Up, Down, Left, Right, and OK buttons for menu interaction.
- Opkaldstastatur: Standard 12-key numeric keypad.
- Programmerbare funktionstaster: 6 keys with LEDs for speed dials, line appearances, or feature access.
- Lydstyrkekontrol: Buttons to adjust handset, headset, and speakerphone volume.
- Højttalertelefonknap: Aktiverer/deaktiverer højttalertelefonen.
- Headset-knap: Toggles between headset and handset/speakerphone.
- Message Waiting Indicator (MWI) LED: Flashes to indicate new voicemail messages.
4.2 Bagpanel og porte

Billede 4.2: Bag view of the Snom 300 IP Phone, highlighting the Ethernet ports, handset port, and optional power input.
- LAN-port (RJ45): Connects to your network switch or router. Supports Power over Ethernet (PoE).
- PC Port (RJ45): Connects to your computer, allowing it to share the network connection through the phone's built-in switch.
- Håndsætport (RJ9): Connects the coiled cord from the handset.
- Headsetport (RJ9): Connects an optional headset.
- Strømindgang (DC 5V): For connecting an optional external power adapter if PoE is not used.
5. Opsætning
Follow these steps to set up your Snom 300 IP Phone.
5.1 Samling af telefonen
- Attach the desk stand to the back of the phone unit. Ensure it clicks securely into place.
- Connect one end of the coiled cord to the handset and the other end to the Handset Port (RJ9) on the rear of the phone.

Billede 5.1: Side view of the Snom 300 IP Phone, demonstrating the attached desk stand for optimal viewvinkel.
5.2 Tilslutning til netværk og strøm
The Snom 300 supports Power over Ethernet (PoE) or an external power adapter.
- Til PoE: Connect one end of the Ethernet cable to the LAN Port (RJ45) on the phone and the other end to a PoE-enabled network switch or router. The phone will power on automatically.
- Without PoE: Connect one end of the Ethernet cable to the LAN Port (RJ45) on the phone and the other end to your network switch or router. Then, connect a compatible 5V DC power adapter (sold separately) to the Power Input port on the phone and plug it into a power outlet.
- (Optional) PC Connection: If you wish to connect your computer through the phone, connect an Ethernet cable from your computer to the PC Port (RJ45) on the phone.
- (Optional) Headset Connection: If using a headset, connect it to the Headset Port (RJ9) on the rear of the phone.
5.3 Første opstart
Once connected to power and network, the phone will begin its boot-up sequence. The display will show boot progress and then typically display network information or a 'No Service' message until configured. Network configuration (IP address, SIP account details) is usually handled by your network administrator or VoIP service provider.
6. Grundlæggende betjening
6.1 Foretage et opkald
- Løft håndsættet, eller tryk på Højttalertelefon button, or press a line key.
- Dial the desired phone number using the dial pad.
- Tryk på OK button or wait a few seconds for the call to initiate automatically.
6.2 Besvarelse af et opkald
Når telefonen ringer:
- Løft håndsættet.
- Tryk på Højttalertelefon knap.
- Tryk på den blinkende linjetast.
6.3 Afslutning af et opkald
- If using the handset, place it back in the cradle.
- If using speakerphone or headset, press the Højttalertelefon or Headset knappen igen, eller tryk på Afslut opkald soft key (if available on display).
6.4 Justering af lydstyrke
Under et opkald skal du bruge Bind buttons (up/down arrows) to adjust the volume of the handset, headset, or speakerphone.
6.5 Brug af programmerbare funktionstaster
The 6 programmable function keys can be configured for various features such as speed dial, busy lamp field (BLF), or direct access to specific functions. Their exact functionality depends on your system's configuration.
7. Avancerede funktioner
7.1 Call Hold
Under et aktivt opkald skal du trykke på Holde soft key (if available on display) or a designated programmable key. To retrieve the call, press the same key again or the flashing line key.
7.2 Viderestilling af opkald
The Snom 300 supports both blind and attended transfers.
- Blindoverførsel: Under et aktivt opkald skal du trykke på Overførsel soft key, dial the transfer destination number, and press Overførsel igen.
- Deltog i overførsel: Under et aktivt opkald skal du trykke på Overførsel soft key, dial the transfer destination number, wait for the party to answer, announce the call, and then press Overførsel igen for at fuldføre.
7.3 3-vejs konference
Sådan starter du et 3-vejs telefonmøde:
- Opret et opkald med den første part.
- Tryk på Konference soft key (or a designated programmable key). The first party is put on hold.
- Dial the second party's number and wait for them to answer.
- Tryk på Konference soft key again to join all three parties.
7.4 Do Not Disturb (DND)
The DND feature allows you to send all incoming calls directly to voicemail or a busy signal. Access this feature through the phone's menu or a designated programmable key. When active, a DND icon typically appears on the display.
7.5 Address Book and Call Lists
The phone maintains an internal address book (up to 100 entries) and lists of missed, received, and dialed calls (up to 100 entries each). Navigate to these features using the menu and navigation keys.
8. Vedligeholdelse
8.1 Rengøring af telefonen
To clean your Snom 300 IP Phone:
- Frakobl telefonen fra strømmen før rengøring.
- Brug en blød, damp klud til at tørre overfladerne af.
- Brug ikke slibende rengøringsmidler eller opløsningsmidler, da disse kan beskadige overfladen.
- Ensure no moisture enters the ports or openings.
8.2 firmwareopdateringer
Firmware updates are typically managed by your network administrator or VoIP service provider. Do not attempt to update the firmware yourself unless instructed to do so by qualified personnel, as incorrect procedures can render the device inoperable.
9. Fejlfinding
If you encounter issues with your Snom 300 IP Phone, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Telefonen tænder ikke | No power connection; Faulty Ethernet cable/PoE switch; Faulty power adapter. | Check Ethernet cable connection to LAN port. Ensure PoE is active or external power adapter is correctly connected and functional. |
| Ingen klartone | Network issue; SIP account not registered; Handset/headset not connected properly. | Verify network connectivity. Check SIP registration status on the display. Ensure handset/headset is securely plugged in. Contact your administrator if SIP registration fails. |
| Kan ikke foretage/modtage opkald | SIP account not registered; Network firewall blocking VoIP traffic; Incorrect dial plan. | Confirm SIP account registration. Check network settings and firewall rules with your IT department. Verify dial plan configuration. |
| Skærmen er tom eller frosset | Midlertidig softwarefejl; Strømproblem. | Perform a power cycle: Disconnect power for 10 seconds, then reconnect. If the issue persists, contact support. |
9.1 Fabriksindstilling
A factory reset will erase all custom configurations and restore the phone to its default settings. This should only be performed as a last resort and typically under the guidance of your network administrator, as it requires re-provisioning the phone. Consult your administrator for the specific procedure for your Snom 300 model.
10. Specifikationer
Key technical specifications for the Snom 300 IP Phone (Model REF-666949):
- SIP Identities: 4
- Ethernet-porte: 2 x IEEE 802.3 10/100 Mbps (LAN, PC)
- Magt: Power over Ethernet (PoE) or optional 5V DC power adapter
- Vise: 2 x 16 character, backlit LCD
- Nøgler: 27 keys, including 6 programmable function keys with LEDs
- Audio Codecs: G.711, G.729A, G.723.1, G.722, G.726, GSM 6.10 (full rate)
- Sikkerhed: SIPS/SRTP, TLS
- Funktioner: Headset connection, Speakerphone (full duplex), Caller-ID, Message Waiting Indication, Address book (100 entries), Speed dialing, Call lists (100 entries each), Call waiting, 3-way conferencing, Do Not Disturb (DND), XML mini-Browser.
- Dimensioner: Cirka 7.87 x 4.72 x 7.28 tommer (L x B x H)
- Vægt: Cirka 1.61 pund
11. Garanti og support
This Snom 300 IP Phone is a Certified Refurbished product. It has been tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories and a minimum 90-day warranty.
For technical support or warranty claims, please refer to the specific support channels provided by your reseller or VoIP service provider. Do not attempt to open or modify the device, as this may void your warranty.





