*#06# shows the IMEI code of Nokia 5110
*#0000# shows the software version your phone
7780 restores the factory settings (does not include the language, country, and memory)
746025625 stop Sim-Clock (mode saves battery power)
This code does not work on phones with software version 4.59.
92702689 entry in the menu:
Tags: international mobile equipment, mobile phone, Nokai VoIP setting, [...]
Nokia 9110 codes for receiving various kinds of information:
* # 0000 # – firmware version identification.
EFR * 3370 #, cancellation # 3370 # – improves sound quality and faster приѕма but sadit battery
EFR – Enhanced Full Rate, a system for improved tone phones GSM, through the battery faster (about 5%). EFR uses advanced encryption [...]
* # 06 # displays the serial number of your Nokia 8850 (IMEI)
* # 0000 # – firmware version identification.
EFR * 3370 #, cancellation # 3370 # – improves sound quality and faster приѕма but sadit battery
EFR – Enhanced Full Rate, a system for improved tone phones GSM, through the battery faster (about 5%). EFR [...]
Based on a little sip debugging, these appear to be the supported
audio codecs on the Nokia E65
* AMR
* PCMU
* PCMA
* iLBC
* G729
The above is the order they’re presented in, so it’s probably also the order of preference.
Note: These are for VOIP calls only, the media [...]