Product Support
Welcome to Product Support. Enter your model number to retrieve manuals, frequently asked questions (FAQs), troubleshooting tips, and additional resources.
Need help finding your model number? Take a look here.
How To Find Your Model Number
Turn over the base of your product to locate the model number as illustrated in the image below.
Full Color Accessory Handset with Picture Caller ID
I5808 (RBOC VZ)
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.
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Tip 1 of 7
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 7
Make sure that the power cord is securely plugged into the base and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 3 of 7
Recradle the handset for 15 seconds, then lift the handset and press FLASH. -
Tip 4 of 7
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again.
Now, set the base and handset clock:
The date and time on your handset and base will be automatically set by incoming caller ID. However, you can manually set the date and time by following these steps:
BASE: Press MENU, scroll to BASE SETTINGS, then press SELECT. With CLOCK SETTING highlighted, press SELECT.
Using CHANGE and NEXT, set the time. When finished, press SET to confirm.
To set the correct day, press MENU, scroll to BASE SETTINGS, then press SELECT. Scroll to WEEKDAY SETTING, and press SELECT. Use the left and right arrows to select the correct day, then press SET to confirm.
HANDSET: Press MENU/SEL. Scroll up or down until Settings is displayed. Now press MENU/SEL again. Clock Setting is highlighted. Press MENU/SEL once more.
Using the dial pad and the left and right arrows, enter the correct time. Use the up and down arrows to choose AM or PM. Then press SET to confirm. -
Tip 5 of 7
Ensure that your handset(s) is registered to the base:
Step 1: At the base, press MENU, scroll to REGISTER HANDSET, then press SELECT. The base is now ready to register a handset.
Step 2: If the handset does not display the registration instructions at this point, press the red CLEAR key. Using the NavKey, scroll ▼ through the on-screen instructions, then press the REGISTER softkey on the handset. Soon, the handset will display Found Base to confirm successful registration. Repeat the registration procedure for each system handset. Each handset is assigned a number in the order of registration.
You have the option to give each handset a name in place of a number. Consult your User’s Manual for details. -
Tip 6 of 7
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 7 of 7
To get better reception, try moving the telephone base to higher location. Relocate telephone base near a window if using telephone outside.
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Tip 1 of 5
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 2 of 5
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 3 of 5
Make sure that the power cord is securely plugged into the base and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 4 of 5
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 5 of 5
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again.
My handset or base display is blank. How can I fix this?
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Tip 1 of 2
You can adjust the display contrast on the handset and base. Consult your User’s Manual for details. -
Tip 2 of 2
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again.
Why do calls fade/cut in and out when I’m using this phone?
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Tip 1 of 7
If you subscribe to DSL service for this telephone line, DSL filters must be plugged into EVERY phone jack that has a phone. The DSL signal can cause static/noise, squealing (similar to fax tones), caller ID disruption and other issues on your line. DSL filters block the high frequency DSL signals from being transmitted to the telephone. If you are not using the DSL filters provided by the telephone company, this will cause static/noise and possibly caller id issues on your phones.
In most cases, we recommend you connect the plug end of the DSL filter into the telephone jack, then connect a telephone cord between the filter and your phone.
Please contact your service provider to obtain DSL filters and installation information. -
Tip 2 of 7
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 7
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 7
To get better reception, try moving the telephone base to higher location. Relocate telephone base near a window if using telephone outside. -
Tip 5 of 7
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, there is nothing wrong with the phone. This is normal radio operation. -
Tip 6 of 7
You may have a defective telephone cord. Try replacing cord between the jack and telephone base. -
Tip 7 of 7
If you have connected this telephone to a phone jack that has not been used before, or that has not been used in sometime, there may be problems with this jack that you are not aware of. Use a telephone jack that you know is in proper working order.
My telephone handset appears to be dead. What should I do?
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Tip 1 of 13
If your handset responds in any way (beeps, displays information on the screen, etc.) then it is not dead. Please review the Frequently Asked Questions list to find a symptom which better describes your problem. -
Tip 2 of 13
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 13
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 4 of 13
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 13
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 13
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 13
When placing the handset in the charging base, confirm that the charge contacts on the handset and base are making a good connection. The charging battery icon on the handset display will illuminate when the handset is placed in the charging cradle, as well as the charging light, located in front of the base contacts.
You should allow 12 hours to fully charge the handset battery. For optimum daily performance, return the handset to its telephone base when not in use. -
Tip 8 of 13
Make sure your handset is registered to the base unit. Refer to the Registration procedure in the User’s Manual. -
Tip 9 of 13
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 10 of 13
To get better reception, try moving the telephone base to higher location. Relocate telephone base near a window if using telephone outside. -
Tip 11 of 13
Recradle the handset for 15 seconds, then lift the handset and press FLASH. -
Tip 12 of 13
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again. -
Tip 13 of 13
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.
How do I register a new accessory handset to the base?
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Ensure that your handset(s) is registered to the base:
Step 1: At the base, press MENU, scroll to REGISTER HANDSET, then press SELECT. The base is now ready to register a handset.
Step 2: If the handset does not display the registration instructions at this point, press the red CLEAR key. Using the NavKey, scroll ▼ through the on-screen instructions, then press the REGISTER softkey on the handset. Soon, the handset will display Found Base to confirm successful registration. Repeat the registration procedure for each system handset. Each handset is assigned a number in the order of registration.
You have the option to give each handset a name in place of a number. Consult your User’s Manual for details.
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First, deregister all handsets:
At the base, press MENU, scroll to BASE SETTINGS, then press SELECT.
Scroll to DELETE HANDSETS, then press SELECT. When you are asked: ARE YOU SURE?, press YES.
Now, re-register all system handsets:
At the base, press MENU, scroll to REGISTER HANDSET, then press SELECT. The base is now ready to register a handset.
If the handset does not display the registration instructions at this point, press the red CLEAR key. Follow the directions by pressing the REGISTER key on the handset when instructed. Upon successful registration, the handset will display Found Base. Repeat the registration procedure for each system handset. Each handset is assigned a number in the order of registration. You have the option to give each handset a name in place of a number. Consult your User’s Manual for details.
How do I set the day and time on my telephone ?
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The date and time on your handset and base will be automatically set by incoming caller ID. However, you can manually set the date and time by following these steps:
BASE: Press MENU, scroll to BASE SETTINGS, then press SELECT. With CLOCK SETTING highlighted, press SELECT.
Using CHANGE and NEXT, set the time. When finished, press SET to confirm.
To set the correct day, press MENU, scroll to BASE SETTINGS, then press SELECT. Scroll to WEEKDAY SETTING, and press SELECT. Use the left and right arrows to select the correct day, then press SET to confirm.
HANDSET: Press MENU/SEL. Scroll up or down until Settings is displayed. Now press MENU/SEL again. Clock Setting is highlighted. Press MENU/SEL once more.
Using the dial pad and the left and right arrows, enter the correct time. Use the up and down arrows to choose AM or PM. Then press SET to confirm.
Why don’t I get a dial tone on my handset?
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Tip 1 of 9
When placing the handset in the charging base, confirm that the charge contacts on the handset and base are making a good connection. The charging battery icon on the handset display will illuminate when the handset is placed in the charging cradle, as well as the charging light, located in front of the base contacts.
You should allow 12 hours to fully charge the handset battery. For optimum daily performance, return the handset to its telephone base when not in use. -
Tip 2 of 9
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. -
Tip 3 of 9
Make sure that the power cord is securely plugged into the base and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 4 of 9
Recradle the handset for 15 seconds, then lift the handset and press FLASH. -
Tip 5 of 9
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 9
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again. -
Tip 7 of 9
You may have a line problem. To test for a line problem, test your unit at another location such as your neighbor’s or relative’s house. If your unit works at another location, contact your local telephone company. -
Tip 8 of 9
If you have connected this telephone to a phone jack that has not been used before, or that has not been used in sometime, there may be problems with this jack that you are not aware of. Use a telephone jack that you know is in proper working order. -
Tip 9 of 9
Make sure your handset is registered to the base unit. Refer to the Registration procedure in the User’s Manual.
My handset volume is not loud enough. How can I increase it?
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Tip 1 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 2 of 8
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 3 of 8
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 4 of 8
Try raising the inbound volume by pressing VOL+ several times while you’re on a call. Your handset will emit a double beep when the maximum volume level is reached. -
Tip 5 of 8
Unplug the battery from the handset. After 15 seconds, plug the battery in and recradle the handset in the base for 1minute. Try using the handset again. -
Tip 6 of 8
You may have a defective telephone cord. Try replacing cord between the jack and telephone base. -
Tip 7 of 8
If you have connected this telephone to a phone jack that has not been used before, or that has not been used in sometime, there may be problems with this jack that you are not aware of. Use a telephone jack that you know is in proper working order. -
Tip 8 of 8
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again.
Why am I not receiving caller ID on my phone?
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Caller ID and Call Waiting ID are subscription services, available from most local telephone service providers. You must subscribe to these services in order for the features to work on your phone. Contact your local telephone service provider for more information.
In addition, your caller must be calling from an area that supports caller ID.
Both you and your caller’s telephone service provider must use compatible caller ID systems.
If you subscribe to DSL service for this telephone line, DSL filters must be plugged into EVERY phone jack that has a phone. The DSL signal can cause caller ID disruption, static, noise and other issues on your line. DSL filters block the high frequency DSL signals from being transmitted to the telephone. If you are not using the DSL filters provided by the telephone company, this will cause static/noise and possibly caller id issues on your phones.
In most cases, we recommend you connect the plug end of the DSL filter into the telephone jack, then connect a telephone cord between the filter and your phone.
Please contact your service provider to obtain DSL filters and installation information.
Caller ID and Call Waiting ID may not be available for every call. Common reasons are incompatibilities between your and your caller’s service, transmission errors and answering calls before the ID data is received.
How can I improve the sound quality on my cordless phone?
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If your handset has a CHANNEL (or CHAN) button, press it in order to improve the sound quality. You may need to press the CHANNEL button more than once.
The handset may be out of range. Try moving closer to the base. The handset(s) and base can only communicate over a certain distance which can vary with their placement, the weather and the operating environment of your home/office.
If you subscribe to DSL service for this telephone line, DSL filters must be plugged into EVERY phone jack that has a phone. The DSL signal can cause static/noise, squealing (similar to fax tones), caller ID disruption and other issues on your line. DSL filters block the high frequency DSL signals from being transmitted to the telephone. If you are not using the DSL filters provided by the telephone company, this will cause static/noise and possibly caller id issues on your phones.
In most cases, we recommend you connect the plug end of the DSL filter into the telephone jack, then connect a telephone cord between the filter and your phone.
Please contact your service provider to obtain DSL filters and installation information.
A low battery pack may affect the sound quality. You may need to charge the handset. Also, try repositioning the handset against your ear until the sound quality improves.
Electronic products (i.e., 802.11 wireless networks, radios, radio and 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.
Appliances or other cordless phones plugged into the same circuit as the telephone base can cause interference. Try moving the appliances or telephone base to another outlet.
Microwave ovens may operate on the same frequency as your telephone. You may experience static on your telephone while the microwave oven is operating. Do not install your cordless telephone in the same outlet or near the microwave oven.
Disconnect the telephone base from the modular jack and plug in a corded telephone. If calls are still not clear, the problem is probably in the wiring or local service. Contact your local service company (charges may apply).
If your phone shares a power outlet with a modem, or if it is plugged into a shared surged protector, try plugging in the phone (or modem/surge protector) at a different location. If this solves the problem, relocate your phone and modem farther apart from each other, or use separate surge protectors.
The layout of your home or office may be limiting the operating range. Try moving the base to another location, preferably a higher location for better reception. If your telephone base has an adjustable antenna, ensure it is pointing up.
When I try to make a call, why does my handset say SEARCHING FOR BASE and not complete the call?
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Tip 1 of 7
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 7
Make sure that the power cord is securely plugged into the base and electrical outlet. Make sure the electrical outlet is not controlled by a wall switch. -
Tip 3 of 7
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 7
Recradle the handset for 15 seconds, then lift the handset and press FLASH. -
Tip 5 of 7
If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system:
Step 1: Disconnect the power to the telephone base.
Step 2: Disconnect the handset battery.
Step 3: Wait a few minutes and then reconnect the power to the telephone base.
Step 4: Reconnect the handset battery
Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again.
Now, set the base and handset clock:
The date and time on your handset and base will be automatically set by incoming caller ID. However, you can manually set the date and time by following these steps:
BASE: Press MENU, scroll to BASE SETTINGS, then press SELECT. With CLOCK SETTING highlighted, press SELECT.
Using CHANGE and NEXT, set the time. When finished, press SET to confirm.
To set the correct day, press MENU, scroll to BASE SETTINGS, then press SELECT. Scroll to WEEKDAY SETTING, and press SELECT. Use the left and right arrows to select the correct day, then press SET to confirm.
HANDSET: Press MENU/SEL. Scroll up or down until Settings is displayed. Now press MENU/SEL again. Clock Setting is highlighted. Press MENU/SEL once more.
Using the dial pad and the left and right arrows, enter the correct time. Use the up and down arrows to choose AM or PM. Then press SET to confirm. -
Tip 6 of 7
Ensure that your handset(s) is registered to the base:
Step 1: At the base, press MENU, scroll to REGISTER HANDSET, then press SELECT. The base is now ready to register a handset.
Step 2: If the handset does not display the registration instructions at this point, press the red CLEAR key. Using the NavKey, scroll ▼ through the on-screen instructions, then press the REGISTER softkey on the handset. Soon, the handset will display Found Base to confirm successful registration. Repeat the registration procedure for each system handset. Each handset is assigned a number in the order of registration.
You have the option to give each handset a name in place of a number. Consult your User’s Manual for details. -
Tip 7 of 7
To get better reception, try moving the telephone base to higher location. Relocate telephone base near a window if using telephone outside.