Despite other peoples comments, here are the keystrokes used to change codec rates (even if they dont work), i found them on some site: Signal Processing *3370# - Enchanced full Rate Codec (EFR) activation. It will automatically restart. #3370# - Enchanced full Rate Codec (EFR) deactivation *4720# - Half Rate Codec activation. *#3370*: (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network. *#4720#: Half Rate Codec activation. *#4720*: Half Rate Codec deactivation. The phone will automatically restart. *##: If you forgot wallet code for Nokia S60 phone. Dynamic Half-Rate Allocation for Adaptive Multi-Rate Speech Codecs in GERAN Radio Networks. Half-rate codec can be used to increase the capacity of the. Jun 28, 2008. What is meant by Half Rate Codec activation - posted in General talk: can u plz tell me tis. These include full-rate, enhanced full-rate (EFR), adaptive multi-rate (AMR), and half-rate. Despite all being lossy (i.e. Some data is lost. *4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time #4720# With this Nokia code you can. Enhanced Full Rate or EFR or GSM-EFR or GSM 06.60 is a speech coding. Compared to 'old' FR codec. Enhanced Full Rate was developed. Half Rate; Full Rate. ![]() It will automatically restart. #4720# - Half Rate Codec deactivation Enchanced Full Rate will give you much better sound quality when you enable it. The new Enhanced Full Rate CODEC adopted by GSM uses the ASELP (AlgebraicCode Excitation Linear Prediction) compression technology. This technology allows for much great voice quality in the same number of bits as the older Full Rate CODEC. The older technology was called LPC-RPE (Linear Prediction Coding with Regular Pulse Excitation). Both operate at 13 kilobits.(but you take up more space on the network, so they can charge you more) - Talk-time is reduced with about 5%. ![]() நகய மபல மபள SECRET தகவக (1) *3370# Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talktime isreduced my approx. 5%(2) #3370# Deactivate Enhanced Full Rate Codec (EFR) OR *3370#(3) *#4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gainapprox 30%more Talk Time.(4) *#4720# Deactivate Half Rate Codec.(5) *#0000# Displays your phones software version, 1st Line: Software Version, 2nd Line: SoftwareReleaseDate, 3rd Line: Compression Type.(6) *#9999# Phones software version if *#0000# does not work.(7) *#06# For checking the International Mobile Equipment Identity (IMEI Number).(8) #pw++1# Provider Lock Status. (use the * button to obtain the p,w and + symbols).(9) #pw++2# Network Lock Status. (use the * button to obtain the p,w and + symbols).(10) #pw++3# Country Lock Status. (use the * button to obtain the p,w and + symbols).(11) #pw++4# SIM Card Lock Status. (use the * button to obtain the p,w Go to Topand + symbols).(12) *#147# (vodafone) this lets you know who called you last.(13) *#1471# Last call (Only vodofone).(14) *#21# Allows you to check the number that All Calls are diverted to(15) *#2640# Displays security code in use.(16) *#30# Lets you see the private number.(17) *#43# Allows you to check the Call Waiting status of your phone.(18) *#61# Allows you to check the number that On No Reply calls are diverted to.(19) *#62# Allows you to check the number that Divert If Unreachable (no service) callsare diverted to.
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