Snom C300 User manual

C300
Bluetooth Conference Speakerphone
User Manual

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Copyright, Trademarks, Legal Disclaimers
Copyright © 2021 Snom Technology GmbH. All Rights Reserved.
Snom, the names of Snom products, and Snom logos are trademarks owned by Snom
Technology GmbH.
All product specifications are subject to change without notification. Snom Technology
GmbH. reserves the right to revise and change this document at any time, without
being obliged to announce such revisions or changes beforehand or after the fact.
Although due care has been taken in the compilation and presentation of the
information in this document, the data upon which it is based may have changed in the
meantime. Snom therefore disclaims all warranties and liability for the accurateness,
completeness, and currentness of the information published, except in the case of
intention or gross negligence on the part of Snom or where liability arises due to
binding legal provisions.
Important Information
Please read the instructions on safety and disposal and on how to set up and use the
device before using it and also give them to other users to read or inform those users
of their contents. Save this manual and do not give the device to third parties without
it.

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Important Safety Instructions
When using your telephone equipment, basic safety precautions should always be
followed to reduce the risk of fire, electric shock and injury, including the following:
1. Read and understand all instructions.
2. Follow all warnings and instructions marked on the product.
3. Unplug this product from the wall outlet before cleaning. Do not use liquid or
aerosol cleaners. Use a damp cloth for cleaning.
4. Do not use this product near water such as near a bath tub, wash bowl, kitchen
sink, laundry tub or swimming pool, or in a wet basement or shower.
5. Do not place this product on an unstable table, shelf, stand or other unstable
surfaces.
6. Slots and openings in the speakerphone are provided for ventilation. To protect
them from overheating, these openings must not be blocked by placing the
product on a soft surface such as a bed, sofa or rug. This product should never be
placed near or over a radiator or heat register. This product should not be placed in
any area where proper ventilation is not provided.
7. This product should be operated only from the type of power source indicated on
the marking label. If you are not sure of the type of power supplied at the premises,
consult your dealer or local power company.
8. Do not allow anything to rest on the power cord. Do not install this product where
the cord may be walked on.
9. Never push objects of any kind into this product through the slots in the
speakerphone because they may touch dangerous voltage points or create a short
circuit. Never spill liquid of any kind on the product.
10. To reduce the risk of electric shock, do not disassemble this product, but take it
to an authorized service facility. Opening or removing parts of the speakerphone

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other than specified access doors may expose you to dangerous voltages or
other risks. Incorrect reassembling can cause electric shock when the product is
subsequently used.
11. Do not overload wall outlets and extension cords.
12. Unplug this product from the wall outlet and refer servicing to an authorized
service facility under the following conditions:
A. When the power supply cord or plug is damaged or frayed.
B. If liquid has been spilled onto the product.
C. If the product has been exposed to rain or water.
D. If the product does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the
operation instructions. Improper adjustment of other controls may
result in damage and often requires extensive work by an authorized
technician to restore the product to normal operation.
E. If the product has been dropped and the speakerphone has been damaged.
F. If the product exhibits a distinct change in performance.
13. Avoid using a telephone (other than cordless) during an electrical storm. There is a
remote risk of electric shock from lightning.
14. Do not use the speakerphone or its connected telephone to report a gas leak in
the vicinity of the leak. Under certain circumstances, a spark may be created
when the adapter is plugged into the power outlet, or when the handset is
replaced in its cradle. This is a common event associated with the closing of any
electrical circuit. The user should not plug the speakerphone into a power outlet
if the speakerphone is located in an environment containing concentrations of
flammable or flame-supporting gases, unless there is adequate ventilation. A
spark in such an environment could create a fire or explosion. Such environments
might include: medical use of oxygen without adequate ventilation; industrial

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gases (cleaning solvents; gasoline vapors; etc.); a leak of natural gas; etc.
15. The power adapters are intended to be correctly oriented in a vertical or floor
mount position. The prongs are not designed to hold the plug in place if it is
plugged into a ceiling, under-the-table or cabinet outlet.
16. For pluggable equipment, the socket-outlet shall be installed near the equipment
and shall be easily accessible.
17. CAUTION: Use only the batteries indicated in this manual. There may
be a risk of explosion if a wrong type of battery is used. Use only the supplied
rechargeable battery or replacement battery pack. Do not dispose of batteries in a
fire. They may explode. Dispose of used battery according to the information in The
RBRC®seal.
18. Use only the power adapter indicated in this manual. Incorrect adapter polarity or
voltage can seriously damage the product.
SAVE THESE INSTRUCTIONS
The applied nameplate is located at the bottom and rear side of the product base.
Battery Cautions Statement
Avoid using battery in the following conditions:
• High or low extreme temperatures that a battery can be subjected to during use,
storage or transportation;
• Low air pressure at high altitude;
• Replacement of a battery with an incorrect type that can defeat a safeguard;
• Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of
a battery, that can result in an explosion;
• Leaving a battery in an extremely high temperature surrounding environment that
can result in an explosion or the leakage of flammable liquid or gas;
• Extremely low air pressure that may result in an explosion or the leakage of
flammable liquid or gas.

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For cUL compliance only
Mesures de sécurité importantes
Afin de réduire les risques d’incendie, de blessures corporelles ou d’électrocution,
suivez toujours ces mesures préventives de base lorsque vous utilisez votre téléphone.
1. Lisez et comprenez bien toutes les instructions.
2. Observez toutes les instructions et mises en garde inscrites sur l’appareil.
3. Débranchez ce téléphone de la prise murale avant de le nettoyer. N’utilisez pas
de nettoyeurs liquides ni en aérosol. N’utilisez qu’un chiffon doux et légèrement
humecté.
4. N’utilisez pas ce produit près de l’eau, tel que près d’un bain, d’un lavabo, d’un évier
de cuisine, d’un bac de lavage ou d’une piscine, ou dans un sous-sol humide ou
sous la douche.
5. Ne déposez pas ce téléphone sur un chariot, support ou table chancelants.
L’appareil pourrait tomber et être sérieusement endommagé.
6. Les ouvertures situées à l’arrière ou sous le produit servent à la ventilation. Le
boîtier de l’appareil est doté de fentes et d’ouvertures d’aération situées à l’arrière
ou en dessous. Afin d’empêcher la surchauffe, ces ouvertures ne doivent pas être
obstruées en plaçant l’appareil sur un lit, divan, tapis ou autre surface similaires.
Ne placez pas cet appareil à proximité d’un élément de chauffage ni d’une plinthe
électrique. De plus, ne l’installez pas dans une unité murale ou un cabinet fermé
qui ne possède pas d’aération adéquate
7. Ne faites fonctionner cet appareil qu’avec le type d’alimentation indiqué sur les
étiquettes de l’appareil. Si vous ne connaissez pas le voltage de votre maison,
consultez votre marchand ou votre fournisseur d’électricité.

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8. Ne déposez rien sur le cordon d’alimentation. Installez cet appareil dans un endroit
sécuritaire, là où personne ne pourra trébucher sur la ligne d’alimentation ni le
cordon téléphonique modulaire.
9. N’insérez jamais d’objets à travers les fentes et ouvertures de cet appareil, car
ils pourraient toucher à des points de tension dangereux ou court-circuiter des
pièces, ce qui constituerait un risque d’incendie ou d’électrocution. N’échappez pas
de liquides dans l’appareil.
10. Afin de réduire les risques d’électrocution, ne démontez pas l’appareil, mais
apportez-le plutôt à un centre de service qualifié s’il doit être réparé. En enlevant
le couvercle, vous vous exposez à des tensions dangereuses ou autres dangers
similaires. Un remontage inadéquat peut être à l’origine d’une électrocution lors
d’une utilisation ultérieure de l’appareil.
11. Ne surchargez pas les prises de courant ni les rallonges électriques, car ceci peut
constituer un risque d’incendie ou d’électrocution.
12. Débranchez cet appareil de la prise de courant et communiquez avec le
département de service à la clientèle de Nextiva dans les cas suivants :
A. Lorsque le cordon d’alimentation est endommagé ou écorché.
B. Si du liquide a été échappé dans l’appareil.
C. Si l’appareil a été exposé à une source d’humidité telle que la pluie ou
l’eau.
D. Si l’appareil ne fonctionne pas normalement en suivant les directives du
guide. N’ajustez que les commandes couvertes dans le guide
d’utilisation, car un mauvais réglage de celles-ci peut être à l’origine de
dommages, ce qui nécessiterait des réparations considérables pour
remettre l’appareil à son état de fonctionnement normal.instructions.
E. Si l’appareil a été échappé ou son boîtier, endommagé.
F. Si le produit affiche une nette diminution de sa performance.

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13. Évitez d’utiliser un téléphone (autre qu’un sans fil) pendant un orage. Les éclairs
peuvent être à l’origine d’une électrocution.
14. N’utilisez pas le produit pour rapporter une fuite de gaz à proximité de la fuite.
En certaines circonstances, une flammèche pourrait être provoquée lorsque
l’adaptateur est branché dans une prise de courant. Ceci est un événement
commun associé à la fermeture d’un circuit électrique. L’utilisateur ne doit pas
brancher le produit dans une prise de courant, si le produit se trouve dans un
environnement contenant des concentrations de matières inflammables ou
autres gaz susceptibles de produire des flammes, sauf en présence d’une aération
adéquate. Une flammèche dans un tel endroit pourrait provoquer un incendie
ou une explosion. De tels environnements peuvent comprendre: des endroits où
l’on utilise de l’oxygène médical sans ventilation adéquate; des gaz industriels
(dissolvants de nettoyage, des vapeurs d’essence, etc.); une fuite de gaz naturel,
etc.
15. Les adaptateurs sont conçus pour être orientés en position verticale ou en position
horizontale sur le plancher.
16. Pour les PRODUITS À BRANCHER À UNE PRISE DE COURANT, la prise de courant
doit être installée près du produit, afin d’assurer une accessibilité sécuritaire à la
prise de courant.
17. MISE EN GARDE : Il peut y avoir un risque d’explosion si vous utilisez le
mauvais type de piles. N’utilisez que le bloc-piles rechargeable inclus ou le bloc-
piles de rechange. N’incinérez pas les piles. Celles-ci risqueraient d’exploser. Jetez
les piles usées selon les renseignements suivant le sceau du RBRCMD.
18. N’utilisez que les adaptateurs inclus avec ce produit. L’utilisation d’un
adaptateur dont la polarité ou la tension serait inadéquate risque d’endommager
sérieusement le produit et mettre votre sécurité en péril.
CONSERVEZ CES INSTRUCTIONS

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La plaque signalétique appliquée est située au bas et à l’arrière de la base du produit.
Déclaration de précautions concernant la pile
Évitez d’utiliser la pile dans les conditions suivantes :
• Températures extrêmes hautes ou basses auxquelles une batterie peut être
soumise pendant son utilisation, son entreposage ou son transport;
• Une faible pression atmosphérique en haute altitude;
• Le remplacement d’une pile par un type incorrect qui peut neutraliser une
protection;
• L’élimination d’une pile dans le feu ou dans un four chaud, ou l’écrasement ou le
découpage mécanique d’une pile, qui peut entraîner une explosion;
• L’abandon d’une pile dans un environnement où la température est extrêmement
élevée, ce qui peut provoquer une explosion ou une fuite de liquide ou de gaz
inflammable;
• Une pression d’air extrêmement basse qui peut entraîner une explosion ou une
fuite de liquide ou de gaz inflammable.

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Introduction
This user manual provides a reference for the external features of the C300 Bluetooth
Conference Speakerphone and basic installation instructions.
Please read Important Safety Information on pages 3-5 of this user manual.
Please thoroughly read this user manual for all the feature operations and information
necessary to use your speakerphone.
For customer service or product information, visit our website at
www.snomamericas.com

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What’s in the box
Your product package contains the following items. Save your sales receipt and
original packaging in the event warranty service is necessary.
Bluetooth Conference
Speakerphone
with built-in battery
User
Guide
C300
Travel case
USB type A to
USB type C cable (1m)

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Bluetooth Conference Speakerphone
External Features and Controls
1 Speaker
2 Phone key
3 Volume – key
4 Bluetooth key
5 Power key
6 Power key LED
7 Multicolored LED
indicators (circle)
8 Volume + key
9 Mute key
10 Record key
11 NFC zone
12 Microphones
(6 total)
13 USB type-A
connector
14 3.5 mm audio
input/output jack
15 USB type-C
connector
1
2
3
4
7
8
9
5
11
13 14 15 12 12
10
6

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Status Indicators Overview
Power LED indicator
Color Pattern Description
White Steady ON Power on and no USB power connected
-OR-
Power on and charging completed.
OFF Power off and no USB power connected
-OR-
Power off and charging completed
ON 1s OFF 1s
repeatedly
Charging (in power on or power off mode)
Multicolored LED indicators
LED 2
LED 8
LED 4LED 5
LED 1
LED 7
LED 6 LED 3
A ring of multicolored LEDs
surrounds the speakerphone keys.
In the table on the next page, the
LED color is indicated as follows:
R = Red
B = Blue
G = Green
W = White
– = Off

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LED number & color
Pattern Description
1 2 3 4 5 6 7 8
R R R R R R R R Steady ON Mute microphones
R R R R R R R R ON 0.5s OFF 2s
repeatedly
Recording
R R R R R R R R On 2s OFF 0.5s
repeatedly
Recording and
microphones mute
R R R R R R R R ON 0.12s OFF 0.12s Battery low warning
R – R – R – R – ON 0.2s OFF 0.2s
repeatedly and lasts
for 5s
Factory reset
B B B B B B B B ON 0.2s OFF 3s
repeatedly
Bluetooth is not paired
or paired device is not
available
B B B B B B B B ON 0.2s OFF 0.2s
repeatedly
Bluetooth pairing
B B B B B B B B ON 2s Bluetooth is ready -OR-
Bluetooth button is
pressed
B B B B B B B B ON 2s then OFF Battery level 8/8
B B B B B B B – ON 2s then OFF Battery level 7/8
B B B B B B – – ON 2s then OFF Battery level 6/8
B B B B B – – – ON 2s then OFF Battery level 5/8
B B B B – – – – ON 2s then OFF Battery level 4/8

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LED number & color
Pattern Description
1 2 3 4 5 6 7 8
B B B – – – – – ON 2s then OFF Battery level 3/8
B B – – – – – – ON 2s then OFF Battery level 2/8
B – – – – – – – ON 2s then OFF Battery level 1/8
G G G G G G G G ON 1s OFF 1s
repeatedly
Ringing
G G G G G G G G ON 2s USB data connection is
ready
G G G G G G G G ON 2s then OFF Volume level 8
G G G G G G G – ON 2s then OFF Volume level 7
G G G G G G – – ON 2s then OFF Volume level 6
G G G G G – – – ON 2s then OFF Volume level 5
G G G G – – – – ON 2s then OFF Volume level 4
G G G – – – – – ON 2s then OFF Volume level 3
G G – – – – – – ON 2s then OFF Volume level 2
G – – – – – – – ON 2s then OFF Volume level 1
W W W W W W W W ON 1s then OFF NFC success
W On with voice active Voice is active near LED
1 area
W On with voice active Voice is active near LED
2 area

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LED number & color
Pattern Description
1 2 3 4 5 6 7 8
W On with voice active Voice is active near LED
3 area
W On with voice active Voice is active near LED
4 area
W On with voice active Voice is active near LED
5 area
W On with voice active Voice is active near LED
6 area
W On with voice active Voice is active near LED
7 area
W On with voice active Voice is active near LED
8 area
Power on/off
To turn the speakerphone on or off:
• Press and hold the key for at least two seconds.
The speakerphone plays a power up/down melody.
The power LED indicator is illumunated when the speakerphone is on.

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Connecting to a Windows PC or mobile device via Bluetooth
pairing
1. When the speakerphone is idle, press and hold the key for two seconds.
All the multicolored LEDs flash blue rapidly.
2. On your Windows PC or mobile device, open the Bluetooth menu, and select
Snom C300 from the list of available devices.
3. If you are asked for a PIN code, enter 0000.
• If pairing is successful: The speakerphone plays three ascending tones. All the
multicolored LEDs turn blue for two seconds.
• If pairing failed: The speakerphone plays three rapid tones. All the
multicolored LEDs briefly turn blue every three seconds. Try again or try
pairing with a different Bluetooth device.
NOTES:
• The speakerphone will keep a record of the last four paired Bluetooth devices.
• Two sets of Bluetooth paired devices can be connected to the speakerphone, but
only one device can be activated at a time.

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Pairing your mobile device using NFC
1. On your mobile device, turn NFC on.
2. Place the NFC zone of your mobile device against the NFC zone of the
speakerphone (indicated by ).
3. If you are asked for a PIN code, enter 0000.
• If NFC pairing is successful: The speakerphone plays three ascending tones.
All the multicolored LEDs turn white for one second.
• If NFC pairing does not work, try again or try connecting via Bluetooth pairing.
Speakerphone functions
Play audio
When your speakerphone is paired to a Windows PC or mobile device, it acts as an
external speaker and plays audio from the paired device.
When your speakerphone is playing audio from a paired Bluetooth device, it will change
to play computer audio once the speakerphone is connected to a Windows PC with a
USB cable. It is assumed that the speakerphone is recognized by the Windows PC as an
active audio device.
Receive a call
When your paired mobile phone receives an incoming call, the audio currently playing
on the speakerphone is interrupted.
The speakerphone rings and all the multicolored LEDs flash green.

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Answer an incoming call
• Press the key.
During the call, the multicolored LEDs turn white to indicate which direction the
microphones are receiving sound.
Reject an incoming call
• Press and hold the key for at least two seconds.
End a call
• Press the key.

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Volume
• Press the key to increase listening volume by one step.
• Press and hold the key to increase listening volume continuously.
• Press the key to decrease listening volume by one step.
• Press and hold the key to decrease listening volume continuously.
The multicolored LEDs turn green for two seconds to indicate the volume level.
The more green LEDs displayed, the higher the volume level.
The speakerphone will synchronize playback volume with a USB-connected Windows
PC and a Bluetooth-connected iPhone.
The speakerphone will synchronize phone call audio volume with a Bluetooth-
connected iPhone or Android mobile.
Mute
• Press the key to mute all the microphones.
All the multicolored LEDs turn red.
If mute while recording, all the multicolored LEDs flash red ON 2s, OFF 0.5s
repeatedly.
• Press the key again to unmute all the microphones.
• Press the key while the speakerphone is ringing to temporarily mute the
ringing tone.