Questions tagged [telephony]

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Monitor Network Availability (for phone calls)

Obviously my network carrier has some problems. Though my mobile phone shows two or three bars out of four for my mobile connection, I don't receive any phone calls (not available). Is there some ...
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14 views

How can I block outgoing International calls?

When I travel overseas, calling any country but my home country incurs huge charges. What app will block all outgoing calls that are not to my home country? (This question is related, but is so old ...
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1answer
1k views

Incoming call notifications not working - Phone state

In my Android phone, Incoming calls notification is not working.Out going is working fine. Actually Whenever I am calling my mobile from my friend's mobile, Its saying "line is busy". If I visit call ...
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1answer
2k views

Microphone extremly quiet

For some time my microphone is extremely quiet when doing things like making voice messages on whatsapp or when calling someone. I searched the internet for a solution but couldn't find anything ...
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179 views

Can't find call log from adb shell

Phone is a Samsung Galaxy E5 SM-E500m (lte, dual chip, codename e5lte). Android version 5.1.1 "lollipop" Stock ROM. I pulled the database file from /data/data/com.android.providers.contacts/databases/...
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55 views

call contacts placeholder in telephone numer

title is a bit difficult but I try to explain that i want to achieve: I would like to be able to save the companies number with a few placeholder that have to be filled on a call. So that I am able ...
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45 views

How is the GSM Call Flow implemented and when is the microphone opened?

Is it possible to know how is the GSM call flow implemented on Android? I will like to know concretely when its the microphone opened.
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1answer
6k views

How to auto-answer video calls for telepresence/baby monitor/pet cam?

I would like to leave a tablet on my shelf and be able to video call into it while away and talk/hear/see my home without anyone necessarily being there, just to be able to check in. I have looked for ...
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0answers
92 views

Where there are attempts to enter a password for unlocking operator sim lock?

My phone (Micromax Q415) attached to the SIM card operator megaphone. If I insert a SIM card of another operator, the phone will ask for the unlock key. I found an application that shows this screen ...
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176 views

com.android.phone has stopped working after manually upgrading Verizon LG G3 (VS985) to Marshmallow using LGUP tool

I manually upgraded my LG VS985 to marshmallow from Kitkat using the LGUP tool and the LG Stock Rom for Verizon (LG VS985 Firmware VS98547A_01_0314_ARB01.kdz). After booting it just keeps showing ...
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0answers
39 views

Without telephony and GPS apps/libraries, security subsections crash?

In CyanogenMod 13, I've removed all telecom/telephony/GPS support from a ROM in an effort to reduce the device to basically be a wifi-only mini tablet. This entailed removing all relevant apps and a ...
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1answer
404 views

Why do so many applications try to get the SIM and network operator name?

I understand what Android permissions mean and I have a specific question about two telephony permissions. I've been using XPrivacy for a while and noticed that many apps that ostensibly have nothing ...
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135 views

Having problems with carrier activation and connecting to cell network

I have a Sprint HTC One (m7wls) and recently switched over to Ting. I was using Cyanogenmod and couldn't use Ting's instructions for activating with them, so I used an RUU from HTC to get back to ...