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Thread: Straight Talk Home Phone ZTE Z723EL Device Issues?

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    Straight Talk Home Phone ZTE Z723EL Device Issues?

    Okay, here I am with a question for anyone else using the Straight Talk ZTE Z723EL home phone box. Are you having issues with tones on the line when someone calls you?

    I bought my ZTE home phone box several months ago to replace the Huawei box which will soon be obsolete. So now Straight Talk only offers the ZTE Z723EL unit through their website. At the time, they offered a refurbished unit and a new unit. Both are exactly the same. My Huawei was also a refurb and worked perfectly so I figured the ZTE would probably be just as good. I purchased the refurbished ZTE unit from Straight Talk.

    About a month after connecting it and transferring my number, on occasion, whenever someone would call and I would pick up the phone, a set of three tones would emit on the line with the caller. They could hear them and I could hear them. To make it stop, I would have to hang up and call them back. Then another call would come in and the same tones were emitting again along with the caller on the line. Usually three tones, the same kind as if you dialed a wrong number.

    Straight Talk was of NO help (imagine that). So I did some research and learned that there are firmware issues with the ZTE Z723EL. The glitch was discovered when AT&T was using the same box. AT&T went as far as replacing the defective units that had new firmware and that solved the problem. Consumer Cellular also uses the same ZTE units. So I contacted ZTE directly. Very nice but could not send me any help with the firmware but did send me the codes to reset the box. I did just that and it worked tone free for about a couple of weeks.

    Then this week, a family member called me and when I answered, I got him and a dial tone (that was a new one). I had to hang up and call him back. Next call was the three tones along with the caller. So in other words, the box reset was a temporary fix and now it is just as bad as it was before.

    By the way, it does NOT happen on outgoing calls. Only incoming calls.

    I have been on the phone with Straight Talk for two days. No help at all. They said even if I ordered a brand new box, it is a ZTE (same model) and may have the same issues as the box I already have. I figure all these refurbished units are probably the ones with the original firmware problems and Straight Talk probably paid little for them, cleaned them up, then sent them out. But the brand new ZTE units on the website are the same. I don't want to waste $50 and after the return policy expires be stuck with a defective unit.

    So I guess I'm wanting to find out of anyone else using the Straight Talk ZTE home phone units are having the same problems with odd tones on incoming calls? Anyone got any ideas on how to fix it? I'm required to have a home phone and I do not want to go VOIP and would like to stay with Straight Talk. But this is getting monotonous. But OOMA is also offering a home phone unit through the Sprint network so I may be forced to switch if I can't find a fix.

    Anybody have an ideas?

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    Straight Talk Home Phone ZTE Z723EL Device Issues?

    Have you checked your voicemail? Some carriers play a tone when there’s a voicemail when making or getting a call. Not sure if it’s in that case but worth to check.


    Maybe try another phone directly connected to it?


    Sent from my iPhone using Tapatalk
    Main Phone: iPhone 13 Pro
    Android device : OnePlus 8T

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    Quote Originally Posted by hyelton View Post
    Have you checked your voicemail? Some carriers play a tone when there’s a voicemail when making or getting a call. Not sure if it’s in that case but worth to check. Maybe try another phone directly connected to it?
    The voicemail isn't activated as I'm using the house answering machine. And I did connect two difference phones connected to it and called myself and the tones still emitted during the call.

    Appreciate the suggestions though.

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    Straight Talk Home Phone ZTE Z723EL Device Issues?

    Quote Originally Posted by MarkNC View Post
    The voicemail isn't activated as I'm using the house answering machine. And I did connect two difference phones connected to it and called myself and the tones still emitted during the call.

    Appreciate the suggestions though.
    What happens when you call the voicemail number? Sometimes there auto setup with generic greetings. If you call your voicemail number and it asks for a password then it’s somehow setup.

    Things get through. And one can even leave you a voicemail on the carrier voicemail without ringing your phone.

    But the tones only real explanation I could thing of is voicemail, call waiting, or some kind of feature added.



    Weird did some research and looks like some sort of ZTE issue on AT&Ts service but that was back 5 years ago. Surely that can’t still be a problem

    Sent from my iPhone using Tapatalk

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    try dialing *73 and see if that fixes the issue - https://www.reddit.com/r/StraightTal...ervice_issues/

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    Quote Originally Posted by MarkNC View Post
    Okay, here I am with a question for anyone else using the Straight Talk ZTE Z723EL home phone box. Are you having issues with tones on the line when someone calls you?
    I have one of the refurb units that I bought about six months ago. I rarely get incoming calls on it. I just tried one incoming call to test. There were no tones.

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    I had that issue one time with my new ST Z723EL unit. Someone called me from the next town over and I got a weird sound like the one you described. I could still hear them though and said I'd call them back and there was no further problems. I've got calls from other areas and out of state etc... and never had the issue. I just thought it was a fluke because it happened that one time and never reoccurred again.

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    I'm a little late to the game, but I have the same unit (bought new from Straight Talk) and have the same issue. The sound I hear is like when you call a number that isn't in service. It doesn't do it every time but often enough to be irritating. It's why I'm on HoFo today, researching other options. OP, did you ever find a solution?

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    Same problem

    Quote Originally Posted by MarkNC View Post
    Okay, here I am with a question for anyone else using the Straight Talk ZTE Z723EL home phone box. Are you having issues with tones on the line when someone calls you?

    I bought my ZTE home phone box several months ago to replace the Huawei box which will soon be obsolete. So now Straight Talk only offers the ZTE Z723EL unit through their website. At the time, they offered a refurbished unit and a new unit. Both are exactly the same. My Huawei was also a refurb and worked perfectly so I figured the ZTE would probably be just as good. I purchased the refurbished ZTE unit from Straight Talk.

    About a month after connecting it and transferring my number, on occasion, whenever someone would call and I would pick up the phone, a set of three tones would emit on the line with the caller. They could hear them and I could hear them. To make it stop, I would have to hang up and call them back. Then another call would come in and the same tones were emitting again along with the caller on the line. Usually three tones, the same kind as if you dialed a wrong number.

    Straight Talk was of NO help (imagine that). So I did some research and learned that there are firmware issues with the ZTE Z723EL. The glitch was discovered when AT&T was using the same box. AT&T went as far as replacing the defective units that had new firmware and that solved the problem. Consumer Cellular also uses the same ZTE units. So I contacted ZTE directly. Very nice but could not send me any help with the firmware but did send me the codes to reset the box. I did just that and it worked tone free for about a couple of weeks.

    Then this week, a family member called me and when I answered, I got him and a dial tone (that was a new one). I had to hang up and call him back. Next call was the three tones along with the caller. So in other words, the box reset was a temporary fix and now it is just as bad as it was before.

    By the way, it does NOT happen on outgoing calls. Only incoming calls.

    I have been on the phone with Straight Talk for two days. No help at all. They said even if I ordered a brand new box, it is a ZTE (same model) and may have the same issues as the box I already have. I figure all these refurbished units are probably the ones with the original firmware problems and Straight Talk probably paid little for them, cleaned them up, then sent them out. But the brand new ZTE units on the website are the same. I don't want to waste $50 and after the return policy expires be stuck with a defective unit.

    So I guess I'm wanting to find out of anyone else using the Straight Talk ZTE home phone units are having the same problems with odd tones on incoming calls? Anyone got any ideas on how to fix it? I'm required to have a home phone and I do not want to go VOIP and would like to stay with Straight Talk. But this is getting monotonous. But OOMA is also offering a home phone unit through the Sprint network so I may be forced to switch if I can't find a fix.

    Anybody have an ideas?
    I am having the exact same problem. Happened a few months after purchasing a refurbished unit. If you get a fix for the problem let me know. I will do the same.

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    I have the same problems with 3 tones when answering calls. I may have fixed it. I unplugged the home phone and took the battery out. I switch the phone line from line 1 to line 2. I installed the battery and powered up the home phone. I have not had the problem since. The problem had got to the point where it was happening 75% of the time but so far so good.

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    Quote Originally Posted by stee View Post
    I have the same problems with 3 tones when answering calls. I may have fixed it. I unplugged the home phone and took the battery out. I switch the phone line from line 1 to line 2. I installed the battery and powered up the home phone. I have not had the problem since. The problem had got to the point where it was happening 75% of the time but so far so good.

    Going to give this a try. Will let everyone know how it goes.

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    For those of you interested if I found any solution, the answer is a big NO! Actually it has gotten worse. Three calls on the same day this week, all at different times, all had the three tones blasting through on each incoming call. It never does it on outgoing calls, just incoming.

    A few years ago, AT&T was using this same box and ended up determining it was an issue in the firmware. They replaced the boxes for those using their home phone service. I can tell you now, Straight Talk isn't going to replace anything. I think we all know their customer service policies so I'm stuck with a boat anchor.

    By the way, calling Straight Talk about this issue is worthless. The ones I've spoken to have absolutely no idea what to do. ZTE was a little better. They sent me the instructions on how to do a hard reset of the box. The reset stopped the tones for a few days and then they started again.

    Now (as of today, July 12, 2020) I see Walmart is selling a new Straight Talk home phone box called Moxee (also known as KonnectOne). The funny thing is, Straight Talk is still selling the ZTEs on their website, both new and refurbished ones. No Moxee brand on their website anywhere. It appears it works on Verizon's system like the Huawei and ZTE. It is also $49.99.

    I'm sick of the tones blaring through my calls so I plan to buy the Moxee and see what happens. Once I get one and see how it does, I'll come back and give you all my thoughts.

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    Bought the new Moxee brand Straight Talk Home Phone!

    Anyway, went to Walmart on Sunday and bought the Moxee brand Straight Talk Home Phone box.

    First impressions: It looks identical to the ZTE Z723EL with the exception of a grid kind of thing at the top. The notification bar on the front (on/off, battery, voicemail indicator and signal bars) is almost identical as well. The back side is a little different with the sim card slot on the back instead of under the bottom cover. But the phone line slots and on/off button, dual antenna mounts and charger slot are about the same as the ZTE.

    I'm getting five bars of service so a good signal. The call quality is as good as the ZTE if not better (callers seem just a bit louder). The callers say I sound great and very natural, not muffled or "tinny" either.

    The one HUGE difference in this model and the Huawei and ZTE is the "dial tone" and the ringing sound when you make a call. It does not sound like the old POTS line dial tone or any other tone I've ever heard. It actually sounds like a 300 hz tone. Yes, both the dial tone and the ring tone both sound like a 300 hz tone. I thought it was something wrong until I realized that is their brand of tone. I'll be honest and say I'm not crazy about that at all. It would have been nice to have a more traditional sounding dial tone and ring tone. But since I'm using it for a home phone, it'll work fine. Just a bit of a shock.

    So far, between me and others calling me, I've had none of the crazy tone issues with the Moxee like I did with the ZTE. Fingers crossed this new brand of box solves the issue. I'm not going to have much of a chance to go back to the ZTE. As soon as I finished the install of the Moxee box, I tossed the ZTE in the trash. Good riddance.

    I used the automated transfer service with Straight Talk and the Moxee box was up and running in about 10 minutes.

    So far, so good. I'll keep everyone posted.

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    I wonder it the problem was caused by the fact that the ZTE has the voltage (talk battery) on the tip and ring reversed from a normal phone line and the Huawei box. Some older equipment sensed reverse battery as an "out of service" line.

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    I ended up buying the Moxee box MarkNC recommended. Not only was I having the problem with 3 tones as mentioned above, it got to where the phone would fade in and out on a call with voices sounding metallic. It would get so bad and people complained about the "static" that I just couldn't take it anymore. Saw mention of the Moxee and went to Walmart and got one. I just hooked it up using the transfer service MarkNC mentioned, and so far, so good. If this doesn't solve my problem, I'll be looking for a new home phone service.

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