[Q] pop/crackle when i place a call - Galaxy Note 4 Q&A, Help & Troubleshooting

On my SM-N910F (european version) when I place a call, the earpiece will pop/crackle. It's a single crackle when it connects. And the connection time takes a long (about 6-8 seconds). During the call there's no other issues. Anyone elses earpiece doing this?

My own earpiece doesn't work on calls

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Problem with incoming calls, buzzing sound or no sound at all

Hi,
I have a problem with incoming calls, it happened 3 times already. A call is incoming, phone rings, I answer it.
I hear a second or two of the other person's voice, then I hear constant buzzing sound (or no sound at all). When I try to disconnect, the phone app goes off like it was disconnected, but the top bar icon "in a call" is still there. Then I can't make another call, disconnect this one etc. If I want to call that person back, I have to soft reset the device.
Did anyone of you encounter such a thing?

[Q] Answering Calls on Speaker

Hey has anyone else had an issue where when they recieve a call on the LG optimus 7 it occasionally will answer the call on speaker phone with the speaker as loud as they can go? It's only happened to me a few times but it will do it and then after about a minute or two disconnect the call. Any solutions?

[Q] Hissing/buzzing sound when on "data" calls

My phone will make a either a buzzing/sound or a hissing sound from the earpiece when I'm using phone apps (Viber, Tango, etc.) to make phone calls.
When I'm on a data call, sometimes the earpiece will produce a constant buzzing sound. Or sometimes there will be no buzzing and it'll produce a hissing sound (after each word the other person says).
Using the regular phone, voice calls are clear with no issues.
I'm wondering if it's a hardware defect or network issue?
I'm on AT&T btw.

[Q] Sound disappears from BT-Headset and goes (routes) to the phone while calling

Hello. Sorry my English.
Hardware: Samsung Galaxy S5 Duos (KitKat 4.4.2 ANJ1 stock rooted), Plantronics Voyager Bluetooth Headset, Jabra Clear BT Headset. From november 2014 to may 2015 all was great, but suddenly I got a problem with the BT on my phone.
The problem is: in outcoming call: 1) I dial a number and begin a call 2) the call's sounds routed to a headset 3) When I hear "Allo" , the sound in headset suddenly goes to a phone's voice speakerphone, and BT-headset loses sound 4) sometimes sound and voice goes to phone while dialing a number or after some words from my friend that I called. The problem occurs completely at random, it can happen on the 1st time I dial or the 10th time, for example, or just every call. In incoming calls: 1) I receive a call with BT-Headset (push a button on it), firstly voice comes to BT-Headset, but it can disappears after some words from me or my friend.
When the sound disappears, I find that the BT-connection stays alive , and my S5 obeys the headset buttons commands (when I pressed the button on headset, the call disconnects. So, Galaxy S5 obeys the command from BT-Headset and BT connection stays alive while calling, but sound may disappears suddenly, and I must take my phone to the ear to complete a call. Both mic and voice sound goes from BT-headset to the phone's speakerphone. But I finde a feature: After sound disappears - when I double pressed the BT-button in the call window (off and on again bluetooth audio call channel), the sound brings back to the headset!!! So, I think, that the call app loses the sound from BT-Headset and suddenly routes it to the phone, but why?
I used a stock ANJ1 rooted for 6 month ago and had no problem, my apps setup didn't change for 6 month I owned a phone. Something happens, but what? How can I trace or parse the app that causes this problem? I think, one app from my setup trying to control the voice, so it disappears. Any suggestion?
What I tried: wipe phone and write the ANJ1 from Odin (BT works on the stock without apps), after this I bring back my backups from Titanium Backup (just user apps and data). I have Smart Booster and AFWall+ (android firewall - with my own rules), and have the EnhancedSMS and Caller ID. Freezes AFWall+ and SmartBooster - no changes, sound disappears. Any saggestions, please?

Strong buzzing sound on SIP calls

I have SIP calls (VoWiFI) enabled on my OP5 running rooted OOS. After a while (some seconds up to one minute so far) there is a loud, almost deafening sort of buzzing sound, drowning out every sound from the call peer. After it started, it doesn't seem to vanish, at least not for the next 30 seconds or so.
I have call recording set up on my PC, it's been working fine there for over a year now.
Any ideas on how to fix this?
The issue seems to be related to the phone speaker
I have this same problem, and it is temporarily solved by changing the sound output to the speaker, and then returning again to the phone speaker, but usually the buzzing returns.

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