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The BSS responds on the AGCH (access grant channel) with an Immediate Assignment message and assigns an SDCCH to the MS. The MS immediately switches to the assigned SDCCH (stand-alone dedicated control channel) and sends a Location Update Request to the BSS. The MS will send either an IMSI or a TMSI (Temporary Mobile Subscriber Identity) to the ...
The home location register (HLR) for obtaining data about the SIM and mobile services ISDN number (MSISDN; i.e., the telephone number). The base station subsystems (BSS) which handles the radio communication with 2G and 2.5G mobile phones. The UMTS terrestrial radio access network (UTRAN) which handles the radio communication with 3G mobile phones.
Specifically, GSM uses a regular pulse excited-long term prediction (RPE-LTP) coder for voice data between the mobile device and the BSS, but pulse-code modulation (A-law or μ-law standardized in ITU G.711) upstream of the BSS. RPE-LPC coding results in a data rate for voice of 13 kbit/s where standard PCM coding results in 64 kbit/s.
Signalling System No. 7 (SS7) is a set of telephony signaling protocols developed in the 1970s that is used to setup and teardown telephone calls on most parts of the global public switched telephone network (PSTN).
The mobile phone may sometimes override the default setting. Finally, if the Home Location Register knows that the phone is roaming in a particular VLR area, then it will request a temporary number (called an MSRN) from that VLR (using the IMSI as the reference number). This number is relayed back to the Gateway MSC, and then used to route the ...
An active-duty Marine has been charged with murdering a contestant from a racy reality TV show whose body was found in a pond a week after she vanished 50 miles away while working as an escort.
Found at the address were the bodies of Bartlomiej Kuczynski, 45, his sister-in-law Kanticha Sukpengpanao, 36, and his daughters Jasmin Kuczynska, 12, and Natasha Kuczynska, eight.
The Federal Reserve’s top banking regulator Michael Barr will step down from his position in February, saying that "the risk of a dispute over the position could be a distraction from our mission."