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Panasonic KX-TG7875. Base plus 4 additional sites for
Panasonic KX-TG7875. Base plus 4 additional sites for handsets. Purchased 5-6 years ago. Never a problem till this week. Now all handsets say "Line in Use" and can't make or receive calls. Checked all… read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
We have Panasonic phones in the home, and all 4 of them are
We have Panasonic phones in the home, and all 4 of them are displaying "Line in Use." We've read the manual, unplugged, put batteries out and back in (no batteries in base unit). Model is KX-TG7731. S… read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
3,353 satisfied customers
I can not get out of the mute on my Panasonic KX-TG744SK.
I can not get out of the mute on my Panasonic KX-TG744SK … read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
3,353 satisfied customers
My Panasonic Model KX-TG6671 landline phone says Check tel
My Panasonic Model KX-TG6671 landline phone says Check tel line. Everything is connected properly. What do I do next? … read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
The phone says "line in use" and no one is using the phone.
The phone says "line in use" and no one is using the phone. Tried calling it, and I get a busy signal. I have tried unplugging the base unit for a while and it still says "line in use". (checked the o… read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
3,353 satisfied customers
Phone model: KXTGL430. It worked fine for 2 weeks, but now
Phone model: KXTGL430. It worked fine for 2 weeks, but now it indicates “check tel line”. I've changed batteries Unplugged several times. Help please … read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
3,353 satisfied customers
The screen on my phone says check tel line. people have
people have tried to call me and cannot get through and I have no dial tone … read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
3,353 satisfied customers
The read out on my phones say line in use. earlier they said
the read out on my phones say line in use. earlier they said check tel line … read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
I have a telephone home system with 5 phones model KX-TGE270
I have a telephone home system with 5 phones model KX-TGE270 that stopped working. When you pick up the handset it has INT on left … read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
Check tel line is on the base and handset of a panasonic
Check tel line is on the base and handset of a panasonic telephone. It runs on an Ooma. I have unplugged several times. I even rebooted my router and internet. When i call my home phone it does not ri… read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
I purchased a cordless telephone with digital answering
I purchased a cordless telephone with digital answering machine. My son-in-law hooked it up for me. We had a dial tone and thought everything was fine. The next day I have no dial tone and Check tel l… read more
Louie
Louie
Technician
Associate Degree
398 satisfied customers
I have a Panasonic home phone system. It is a 6.0 plus.The
I have a Panasonic home phone system. It is a 6.0 plus.The phone is not working and the message given is check tel line. … read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
3,353 satisfied customers
The Panasonic Phone I just purchase is not working,it said
The Panasonic Phone I just purchase is not working,it said to check tel line. I have checked the lines going into the base and the wall, Ihave cable hook up I checked those lines the are ok. I rebuted… read more
Russell H.
Russell H.
Computer Technology Consultant
Vocational, Technical or Trade Scho
8,598 satisfied customers
My 4 Panasonic phones (Model #KX-TGA470) all suddenly went
My 4 Panasonic phones (Model #KX-TGA470) all suddenly went dead. The error message on the screen says, "Check tel line" -- so I checked all 4 phones and our one land line and all seem plugged in and t… read more
Pete
Pete
Engineer
Bachelor's Degree
9,771 satisfied customers
My Panasonic Cordless Phone KX-TGE230 is not working. It says
My Panasonic Cordless Phone KX-TGE230 is not working. It says check tel line then when that is done it generally says "Line in use" and I can hear what appears to be an open line. I have looked at boo… read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
I was just on line with you about my phone and lost you so
I was just on line with you about my phone and lost you so let's try again. My KX-TG7644 worked perfectly until yesterday. Now it says check phone line. Nothing I've tried worked.… read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
Model kx.tga740 called comcast reset modem line. Everything
Model kx.tga740 called comcast reset modem line. Everything works but cannot call out and when call in everything goes to voice mail. Message on tel check tel line. Checked all three phones all plugge… read more
Nathan
Nathan
Technician
Bachelors of Science
32,740 satisfied customers
I have a panasonic KX-TGA740 DECT 6.0 expandable phone system
I have a panasonic KX-TGA740 DECT 6.0 expandable phone system with three handsets (and one base station). All three handsets show a "in use" icon on the display screen and we cannot send or receive ca… read more
Craig
Craig
Electrical Director
Electrical Automation Technician
749 satisfied customers
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Meet the Experts:

Greg A.

Greg A.

Engineer

3,353 satisfied customers

Working with Electronics for 25+ years.

Louie

Louie

Technician

398 satisfied customers

25+ yrs. experience in the field and 5+ yrs. online, down to component level.

LOAJ3256

LOAJ3256

Technician

106 satisfied customers

KSU and Standard home ans small business

SQLVoIPGuy

SQLVoIPGuy

Engineer

67 satisfied customers

15 yrs Telephony consulting, design, & implementation

Daniel

Daniel

Engineer

67 satisfied customers

BSEE (Electrical Engineer), 10+ years electronic design experience ,chip, board, component expert

Shaheen

Shaheen

Technician

43 satisfied customers

Chief Technical Officer for 2+ years

Rob

Rob

Engineer

42 satisfied customers

Carried out an apprenticeship with British Telecom and worked there as a field engineer for many years.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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