Product Support
Welcome to Product Support. Enter your model number to retrieve manuals, frequently asked questions (FAQs), troubleshooting tips, and additional resources.
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How To Find Your Model Number
Turn over the base of your product to locate the model number as illustrated in the image below.
DECT 6.0 expandable cordless phone system with access to o
IP8300
Manuals & Documentation
Frequently Asked Questions
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For message recording, your telephone has a Built-in answering system, and it also supports Voicemail service offered by your telephone service provider(subscription is required, and fee may apply).
The main differences between them are:
BUILT-IN ANSWERING SYSTEM VOICEMAIL SERVICE SUPPORTED BY Telephone system Telephone service provider SUBSCRIPTION No Yes FEES No May apply ANSWER INCOMING CALLS •After 3 rings by default.
•It can be changed via handset or the telephone base menu.•Usually after 2 rings.
•It can be changed by contacting your telephone service providerSTORAGE Telephone base Server or System DISPLAY NEW MESSAGE • Handset - XX new messages
• Telephone base - XX new messages• Handset - 
and New voicemail
• Telephone base -
RETRIEVE MESSAGES • Press PLAY/STOP on the telephone base; OR
• Press MENU, and then select Play messages on the handset; OR
•Access remotely with an access code• Press 
on the dialpad, and enter an access number from your telephone service provider.Based on the above information, if you want to...
Use the built-in answering system to record your messages
Your Voicemail service can bundle in your telephone plan. As such, you would need to contact your telephone service provider to disable it.
*TIP: Can I switch back to Voicemail service if I want to?
As long as your telephone plan includes the Voicemail service, you can still re-enable it through your service provider.Use the voicemail service to record your messages
Simply turn off the Built-in answering system at any time, and you can use the Voicemail service only.Use both the Built-in answering system and the Voicemail service to record messages
By default, the Voicemail service is usually set to answer after 2 rings, while your Built-in answering system is set after 3 rings. Please check with your telephone service provider to learn how to set your voicemail settings.Suggest to set your Built-in answering system to answer calls at least 2 rings earlier than your Voicemail service. In other words, if your answering system sets to answer after 3 rings (by default), then you need to set the Voicemail service to answer after 5 rings.
What happened is that if you on a call or the answering system is already recording, and you receive ANOTHER incoming call, then the third caller is able to leave a Voicemail message.
On the other hand, if you are not on a call nor the answering system is recording, the incoming caller can leave a message directly to the Built-in Answering system.
I cannot activate Yahoo! Messenger or Email access on the InfoPhone web portal. How is this done?
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The Info features of the InfoPhone require the creation of an account through the web portal. The "Home" account is the main account on every phone. A Home account will give you access to all of the Info features except Yahoo! Messenger and Email. You must create a user profile to access these features. See your User’s Manual for instructions on creating a user profile at the http://infophone.com website.
Note: To activate Yahoo! Messenger and Email, you must have a Yahoo! account. You will need your account information when creating your user profile.
- Purchase a dual (duplex) outlet adapter and plug it into the phone side of the DSL filter. This will create an additional phone jack for you to connect the InfoPhone.
My InfoPhone does not disconnect a call when I place it in its charging cradle.
- You must press OFF to disconnect the phone call. The handset will not disconnect by just placing it in the charging cradle. This feature allows you to use the speakerphone while the handset is charging, thus avoiding battery drain.
Can I use the InfoPhone with VoIP service?
- You can use your InfoPhone with any service that allows you to use a standard phone. Many VoIP services allow you to use your existing phones with their equipment.
- Yes, you can access the Info features on one InfoPhone handset while making a phone call on another.
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If the phone number you attempt to dial is a local number (contains the same area code as the line from which youre dialing), most local phone companies will not accept a "1" before the area code. The InfoPhone will automatically place a "1" before the area code unless you’ve input your local area codes.
To do this, with the handset idle, press Menu; scroll to Registration Settings; press Select; scroll to Base Settings; press Select; scroll to Area Code; press Select. The next screen allows you to input up to three local area codes. Press Set to save. Press Back or OFF to return to the idle screen.
Once this is done, the phone will check the area code list before it dials from Caller ID or Local Search numbers. If the number to be called has a matching area code, it will be dialed without a "1" in front. Otherwise, the "1" will be inserted automatically.
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If the phone number you attempt to dial is a local number (contains the same area code as the line from which youre dialing), most local phone companies will not accept a "1" before the area code. The InfoPhone will automatically place a "1" before the area code unless you’ve input your local area codes.
To do this, with the handset idle, press Menu; scroll to Registration Settings; press Select; scroll to Base Settings; press Select; scroll to Area Code; press Select. The next screen allows you to input up to three local area codes. Press Set to save. Press Back or OFF to return to the idle screen.
Once this is done, the phone will check the area code list before it dials from Caller ID or Local Search numbers. If the number to be called has a matching area code, it will be dialed without a "1" in front. Otherwise, the "1" will be inserted automatically.
How do I register a new accessory handset to the base?
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When you add an accessory handset to your InfoPhone system, it must be registered to the telephone base. A maximum of 5 handsets can be registered to the base. After charging the new handset for 16 hours, follow these steps:
Step 1: Press and hold FIND HANDSET on the telephone base until the VMWI and LINE IN USE lights blink alternately.
Step 2: With the handset idle, press the Menu softkey.
Step 3: Using NavKey, scroll to Registration Settings, then press the Select softkey.
Step 4: With Handset Settings highlighted on the screen, press Select.
Step 5: With Register to Base highlighted, press Select.
Step 6: The Register to Base screen will display slots for 4 bases. Scroll to choose an available base, typically Base 1, then press the Register softkey.
Step 7: After searching, the handset will display a base code number. Press the Register softkey to proceed.
Step 8: With the PIN box displayed, enter 0000, then press Apply.
Step 9: After a few seconds, Handset registered will be displayed and the screen will return to the feature menu. Press OFF to return to the idle screen.
Why don’t I get a dial tone on my handset?
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Tip 1 of 12
Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone. Consider trying a phone that operates on a different wireless frequency. -
Tip 2 of 12
Confirm proper installation of the handset battery:
Step 1: Align the two holes in the plug with the socket pins, then snap the plug into place.
Step 2: Place the battery in the compartment, making sure the wires will not get in the way of the battery cover.
Step 3: Replace cover by sliding it upwards until it clicks into place.
Step 4: Be sure to charge the battery in the handset for a minimum of 16 hours before using your phone. -
Tip 3 of 12
Make sure that the power cord is securely plugged into the charger and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 4 of 12
When placing the handset in its charger, confirm that the charge contacts on the handset and charger are making a good connection. The CHARGE light stays illuminated while the handset is in its charger.
You should allow 16 hours to fully charge the handset battery. For optimum daily performance, return the handset to its charger when not in use. -
Tip 5 of 12
Please make sure that the cords (power and telephone line) are plugged into the channels on the bottom of the base. If the cords are not properly installed, the base will not sit level and the phone may not charge properly. -
Tip 6 of 12
Dirty charge contacts on the telephone base and handset could prevent the batteries from charging. Clean the handset and base charge contacts using a pencil eraser or a cloth to eliminate deposit accumulation. -
Tip 7 of 12
Make sure that the battery cover is properly secured on the handset. If the battery cover is not correctly installed, it may prevent the handset from charging. -
Tip 8 of 12
There may be a problem with your phone service. Contact your service provider. -
Tip 9 of 12
Ensure that your cordless handset is cradled properly. Proper cradling will be confirmed by the CHARGE light remaining on. -
Tip 10 of 12
You may need to reset the base unit. Complete the following steps:
Step 1: Disconnect the power to the telephone base.
Step 2: Wait a few minutes and then reconnect the power to the base.
Step 3: Place the handset in the base charge cradle to relink with the base. -
Tip 11 of 12
Reset the handset and charger. Complete the following steps:
Step 1: Disconnect the power to the charger.
Step 2: Disconnect the handset battery pack.
Step 3: Wait a few minutes, then reconnect the power to the charger and install the battery pack.
Step 4: Place the handset in the charge cradle and allow it time to relink with the base. -
Tip 12 of 12
You may need to replace the rechargeable battery, especially if it has been in service for more than one year. To find a replacement, refer to our VTech Battery Finder. If a battery for your model is unavailable, you can search the internet using the key words cordless phone batteries for an on-line supplier. If you prefer to purchase locally, you can look for a replacement battery at your area consumer electronics retailers. It is recommended that you take your present battery with you to insure your replacement is the correct size and has the correct plug (where applicable) and specifications.
Why doesn’t my telephone ring when I receive calls?
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Tip 1 of 5
Your handset ringer volume can be adjusted, or turned off:
Step 1: With the handset in idle (off) mode, press Menu, then ▼ scroll to Phone Settings.
Step 2: Press Select. Ringer Volume is now highlighted. Press Change.
Step 3: Press VOL▲ to raise the volume or ▼ to lower or turn the ringer off completely (no bars are shaded), then press Apply.
Step 4: Press OFF to return to the idle screen. -
Tip 2 of 5
Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone. Consider trying a phone that operates on a different wireless frequency. -
Tip 3 of 5
Other electronic products (i.e., 802.11 wireless networking products, radios, radio towers, pager towers, cell phones, intercoms, room monitors, televisions, personal computers, kitchen appliances and other cordless phones) can cause interference with your cordless phone. Try installing your phone as far away as possible from these types of electronic devices. -
Tip 4 of 5
When placing the handset in its charger, confirm that the charge contacts on the handset and charger are making a good connection. The CHARGE light stays illuminated while the handset is in its charger.
You should allow 16 hours to fully charge the handset battery. For optimum daily performance, return the handset to its charger when not in use. -
Tip 5 of 5
There may be a problem with your phone service. Contact your service provider.
Why am I unable to dial out using this telephone?
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Tip 1 of 8
When using the speakerphone, background noise can interfere with dialing as well as hearing the other party. Use the MUTE feature in the presence of background noise in your environment. -
Tip 2 of 8
There may be a problem with your phone service. Contact your service provider. -
Tip 3 of 8
Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone. Consider trying a phone that operates on a different wireless frequency. -
Tip 4 of 8
Recradle the handset for 15 seconds, then lift the handset and press TALK. -
Tip 5 of 8
You may be dialing before the handset has fully established a link with the base. Make sure you verify presence of dial tone before dialing. It may help to wait a few seconds after handset is turned on before you begin dialing. -
Tip 6 of 8
Disconnect any other equipment that is connected in series with your phone. If your phone begins to perform normally, there is a compatability issue with your other equipment. -
Tip 7 of 8
Sticking keys can trigger dialing errors. Try cleaning the keypad and around the buttons with a soft, slightly damp cloth. -
Tip 8 of 8
You may need to reset the base unit. Complete the following steps:
Step 1: Disconnect the power to the telephone base.
Step 2: Wait a few minutes and then reconnect the power to the base.
Step 3: Place the handset in the base charge cradle to relink with the base.
My speakerphone fades in and out. What can I do to fix this?
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Tip 1 of 2
Excessive background noise will cause a speakerphone to fade in and out. Try controlling the background noise by turning off any audio devices near the speakerphone. Also, try to avoid interrupting the person at the other end of the conversation while they are speaking. If background noise cannot be controlled, you should terminate speakerphone operation and return to normal handset mode. -
Tip 2 of 2
When using a speakerphone, controlling background noise in your environment is essential. While you are listening to your party, press Mute to temporarily turn your base microphone off. When it is your turn to speak, remember to press Unmute to turn the microphone on again.
Why won’t the battery(s) in my telephone handset hold a charge?
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Tip 1 of 7
Confirm proper installation of the handset battery:
Step 1: Align the two holes in the plug with the socket pins, then snap the plug into place.
Step 2: Place the battery in the compartment, making sure the wires will not get in the way of the battery cover.
Step 3: Replace cover by sliding it upwards until it clicks into place.
Step 4: Be sure to charge the battery in the handset for a minimum of 16 hours before using your phone. -
Tip 2 of 7
Confirm proper installation of the telephone base power supply and handset battery. You should only use the VTech power supply provided with your telephone. Make sure the power supply is not connected to an electrical outlet that is controlled by a wall switch. Confirm that the electrical outlet that the telephone is plugged into is working. -
Tip 3 of 7
When placing the handset in its charger, confirm that the charge contacts on the handset and charger are making a good connection. The CHARGE light stays illuminated while the handset is in its charger.
You should allow 16 hours to fully charge the handset battery. For optimum daily performance, return the handset to its charger when not in use. -
Tip 4 of 7
Please make sure that the cords (power and telephone line) are plugged into the channels on the bottom of the base. If the cords are not properly installed, the base will not sit level and the phone may not charge properly. -
Tip 5 of 7
Dirty charge contacts on the telephone base and handset could prevent the batteries from charging. Clean the handset and base charge contacts using a pencil eraser or a cloth to eliminate deposit accumulation. -
Tip 6 of 7
Make sure that the battery cover is properly secured on the handset. If the battery cover is not correctly installed, it may prevent the handset from charging. -
Tip 7 of 7
Recradle the handset for 15 seconds, then lift the handset and press TALK.
My telephone handset appears to be dead. What should I do?
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Tip 1 of 11
Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone. Consider trying a phone that operates on a different wireless frequency. -
Tip 2 of 11
Make sure you are using the battery supplied with your phone. If you are replacing the battery and you need assistance, refer to our VTech Battery Finder. If a battery for your model is unavailable, you can search the internet using the key words cordless phone batteries for an on-line supplier. If you prefer to purchase locally, you can look for a replacement battery at your area consumer electronics retailers. It is recommended that you take your present battery with you to insure your replacement is the correct size and has the correct plug (where applicable) and specifications. -
Tip 3 of 11
Make sure that the power cord is securely plugged into the charger and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 4 of 11
When placing the handset in its charger, confirm that the charge contacts on the handset and charger are making a good connection. The CHARGE light stays illuminated while the handset is in its charger.
You should allow 16 hours to fully charge the handset battery. For optimum daily performance, return the handset to its charger when not in use. -
Tip 5 of 11
Please make sure that the cords (power and telephone line) are plugged into the channels on the bottom of the base. If the cords are not properly installed, the base will not sit level and the phone may not charge properly. -
Tip 6 of 11
Dirty charge contacts on the telephone base and handset could prevent the batteries from charging. Clean the handset and base charge contacts using a pencil eraser or a cloth to eliminate deposit accumulation. -
Tip 7 of 11
Make sure that the battery cover is properly secured on the handset. If the battery cover is not correctly installed, it may prevent the handset from charging. -
Tip 8 of 11
Ensure that your cordless handset is cradled properly. Proper cradling will be confirmed by the CHARGE light remaining on. -
Tip 9 of 11
You may need to reset the base unit. Complete the following steps:
Step 1: Disconnect the power to the telephone base.
Step 2: Wait a few minutes and then reconnect the power to the base.
Step 3: Place the handset in the base charge cradle to relink with the base. -
Tip 10 of 11
Reset the handset and charger. Complete the following steps:
Step 1: Disconnect the power to the charger.
Step 2: Disconnect the handset battery pack.
Step 3: Wait a few minutes, then reconnect the power to the charger and install the battery pack.
Step 4: Place the handset in the charge cradle and allow it time to relink with the base. -
Tip 11 of 11
You may need to replace the rechargeable battery, especially if it has been in service for more than one year. To find a replacement, refer to our VTech Battery Finder. If a battery for your model is unavailable, you can search the internet using the key words cordless phone batteries for an on-line supplier. If you prefer to purchase locally, you can look for a replacement battery at your area consumer electronics retailers. It is recommended that you take your present battery with you to insure your replacement is the correct size and has the correct plug (where applicable) and specifications.
Why won’t the CHARGE light turn on when I place the handset in its charge cradle?
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Tip 1 of 6
Make sure that the power cord is securely plugged into the charger and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 2 of 6
When placing the handset in its charger, confirm that the charge contacts on the handset and charger are making a good connection. The CHARGE light stays illuminated while the handset is in its charger.
You should allow 16 hours to fully charge the handset battery. For optimum daily performance, return the handset to its charger when not in use. -
Tip 3 of 6
Please make sure that the cords (power and telephone line) are plugged into the channels on the bottom of the base. If the cords are not properly installed, the base will not sit level and the phone may not charge properly. -
Tip 4 of 6
Dirty charge contacts on the telephone base and handset could prevent the batteries from charging. Clean the handset and base charge contacts using a pencil eraser or a cloth to eliminate deposit accumulation. -
Tip 5 of 6
Make sure that the battery cover is properly secured on the handset. If the battery cover is not correctly installed, it may prevent the handset from charging. -
Tip 6 of 6
Ensure that your cordless handset is cradled properly. Proper cradling will be confirmed by the CHARGE light remaining on.
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Tip 1 of 4
Static, noise and calls cutting in and out may be caused by other cordless phones using the same frequency. In addition, police scanners and HAM radios can generate interference. Separate these devices from each other. -
Tip 2 of 4
Other electronic products (i.e., 802.11 wireless networking products, radios, radio towers, pager towers, cell phones, intercoms, room monitors, televisions, personal computers, kitchen appliances and other cordless phones) can cause interference with your cordless phone. Try installing your phone as far away as possible from these types of electronic devices. -
Tip 3 of 4
To get better reception, try moving the telephone base to higher location. Relocate telephone base near a window if using telephone outside. -
Tip 4 of 4
There may be a problem with your phone service. Contact your service provider.
The ringer on my phone is too loud or too soft. How do I adjust the ringer volume?
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Your handset ringer volume can be adjusted, or turned off:
Step 1: With the handset in idle (off) mode, press Menu, then ▼ scroll to Phone Settings.
Step 2: Press Select. Ringer Volume is now highlighted. Press Change.
Step 3: Press VOL▲ to raise the volume or ▼ to lower or turn the ringer off completely (no bars are shaded), then press Apply.
Step 4: Press OFF to return to the idle screen.
I cannot hear on the handset. What can I do?
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Tip 1 of 6
Try raising the inbound volume by pressing ▲VOL several times while you’re on a call. -
Tip 2 of 6
When 2 or more phones are in use at the same time, your ability to hear and/or be heard can be limited. Hang up any extension phones that are currently active. -
Tip 3 of 6
Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone. Consider trying a phone that operates on a different wireless frequency. -
Tip 4 of 6
Using one or more extensions on the same call can draw additional line voltage. Due to differences amongst telephones and line conditions, use of an extension cannot be guaranteed. -
Tip 5 of 6
Recradle the handset for 15 seconds, then lift the handset and press TALK. -
Tip 6 of 6
There may be a problem with your phone service. Contact your service provider.
- When sharing the same phone jack between a DSL modem and standard telephone connection, you will need to use a DSL filter that provides a port for the modem and a port for your telephone connection. A DSL filter must be used on all phone jacks to which standard telephone equipment is connected.
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Despite your VoIP box shows full signal strength, there could still be no dial tone/ display Line in Use/ etc. This may due to the abnormality of signal and voltage levels. Follow this short video to reset your VoIP box and its connected devices.
(For non-IS8151 series - all other models) https://www.youtube.com/watch?v=mXbXl4froUc&t=25s
(For IS8151-X series) https://www.youtube.com/watch?v=rJ9PNkwBzfE&t=3s
[Background]
• VoIP box connected via SIM/ LAN connection.
• Some VoIP boxes have displays and some not. While displays show steady ON and ready, you might still experience with no dial tone sound/ display Line in Use.[To Reset]
• Some Power off button does not fully power off the unit. It only put the VoIP box in standby mode. To truly power off, unplug the power adapter of your VoIP box.
• Disconnect all devices from the box. After a moment, reconnect your power adapter, and then press power button to turn ON.
• Wait until the VoIP box is steady ON and ready.
• Connect your telephone cable from your Telephone base to your VoIP box.REMINDER!!!
• Make sure you didn't connect the telephone cable from the Telephone wall outlet to VoIP box telephone port!!! Doing so will not damage the device, but it will affect the call function and becomes unusable. This is why you experience no dial tone, Line in Use with busy tone, etc.
• During power outage, your landline phone will not be available since it requires external electric power despite your VoIP box has a backup battery.If this situation persists, contact your VoIP / VoIP box service provider for further support.