There are several different methods are there
check neighbour
interference
coverage
power control parameter
TCH drop due to bad quality
Ciphering is encyption and decyption of user ID in GSM network. It is done inside GSM GPRS component SGSN.
It depends if the phone is compatible with a gsm network if so it has to be unlocked
Yes
No. A non-GSM phone cannot work on a GSM network, and vice versa.
The telephone company GSM provide a range of phone network services. The use of a SIM card in GSM allows users to maintain a high-level of security, particularly of personal data.
It's a gsm/umts network. There's no cdma carrier in the Philippines.
There are two types of cell phone networks, GSM and CDMA. As long as the network you are trying to move your unlocked phone to is compatible then yes it will work. In most cases a GSM phone will not work on a CDMA network and vise versa, however, some careers (such as Verizon) have support signals for GSM phones. There is no support for CDMA phones on a GSM network at this time. So for overall versatility, GSM phones are better.
cdma gsm
A B network GSM card typically connects to GSM mobile towers operated by the specific telecommunications provider associated with the "B" network. These towers utilize various frequency bands designated for GSM communication to facilitate mobile calls, text messaging, and data services. The card can switch between different towers within the network to maintain connectivity and optimize signal strength and coverage.
Sprint is not a GSM service provider, they use a CDMA network. Also Sprint is now Sprint/Nextel and although Nextel devices do use SIM cards they are not GSM devices either. Nextel uses an iDEN network and their SIM cards can only be used for International Roaming, they cannot be used on GSM networks in the United States. Unlocked Nextel devices cannot be used on a GSM network and unlocked GSM devices cannot be used on the Nextel network as the two are not even remotely compatible.
A GSM fax machine is that a fax machine that connects to the phone network through GSM (Global System for Mobile) (aka cell phone technology).