What Causes a Call to Fail?
In the world of today where everything is interconnected, phone calls form a key part of conversations both personal and business. But call failures happen, causing frustration and disturbance. Analysing why calls fail at the lower layers like this can help you in determining how to resolve those issues and raise call reliability. Major Reasons for Call Failures
Network Congestion
It leads to calls failing most times as network congestion is a major reason for call failures. The network can quickly become choked with a huge number of users trying to make phone calls all at once, especially in high-density areas or during peak hours. As congestion builds so too does the number of missed calls or unsuccessful call attempts. Call attempt rates can be several times higher than average during emergencies and large public events, and network operators frequently point to congestion issues.
Weak Signal Strength
Voice call quality and connectivity strengths varies depending signal strength. Poor quality of signal and weak signal strength (usually found in remote areas, in buildings with thick walls, and in underground locations) causes calls to be cut off, hugs, or not connect. Mobile networks work on different bands of frequencies where lower provides better coverage but can be saturated, and higher offer more capacity but it is too short ranged and less penetration through walls.
Problems with Network Devices
However, calls may still fail due to technical malfunctions within the network infrastructure, including but not limited to, faulty transceivers, damaged cables, or software issues in the switching equipment. These are the issues which can stop your service until you fix it. To reduced the interruption of the service, Network providers are monitoring their systems continuously in order to check and solve the problems.
Device-Specific Problems
On occasions, it's not the network to blame, it can also be the fault of your device you are calling. This could range from low battery power to outdated software or hardware issues. Charging devices, updating the software and keeping your devices in working order will fix the bulk of those issues.
Carrier Interconnect Issues
Calls between networks of different carriers can also fail if interconnection between them is the problem. These issues can be triggered by outdated standards across different technologies or failures in routing among carriers. Cross-network successful call completion can only be achieved if network providers are able to work together to coordinate at some level.
Call limitations to international destinations
Calls to abroad may also be restricted by the originating country, or the origin of the called fixed line / mobile phoneINESCOMM allows to place a 1st to be taken to the International Number Calle. It could be because of a regulatory refusal or due to an international routing policy from carrier side. They will have certain limitations and users should get a confirmation from their providers regarding this specific detail before going international call.
Common Call Failures Resolved
How to successfully handle call failures:
Examine the signal power and, if required, shift to a site having better connection.
Step 6: Shut Down Phone to Reset Network settings
Update the Software of the phone to the recent version which is available.
If the problem persists, contact the service provider to see if there are any issues that are causing service outage or maintenance.
Follow 通話失敗原因 for the further detail analysis of why calls fail.
Knowing these influencers and how to modify them allows you to improve call completion reliability and make communication more efficient.