it means that the carrier signal is too low so the signal is "unavalible"
the network is too busy or some maintenace is being done at that time
It means that the phone is switched off.
You may have to lower internet security settings and firewall settings to run MapleStory.
It either means they are out of the service area, or they do not have voicemail is what Telus told me.... their # still is on but they have the phone off
It means that when you are buying a phone, e.g: from a phone shop which is not a network like o2 or Tesco or orange. It will not have the network company's logo like 3 mobiles, they have the 3 logo behind. So no network logo means no logo of a network behind the mobile like 3!
there phone is busy.or there is some network problem
It means that the network is down.
It means the person is unavailable. HA! Most likely the phone is in an area which can get n service and the person has not set up voicemail or does not have voicemail on the phone.
The grapevine is a network of people who pass around gossip. The grapevine is seen in businesses and social settings.
It means that the place where you are with your phone does not get strong signal from your carrier.
When a phone number is not in service, it typically means that the number has been disconnected, is no longer active, or has never been assigned to a customer by the service provider. This can occur due to various reasons, such as the user canceling their service, the number being reassigned, or technical issues with the network. In some cases, it may also indicate that the number is temporarily unavailable or has been blocked.
from my experience with this, it usually means they didnt pay their bill, especially if its a prepaid account