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HLR is a permanent data storage of subscribers while VLR is temporary. VLR is located within PLMN.
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support started the forum topic Telecom Exam & Interview Study materials in the group Telecom documentsInterview Questions and Telecommunications Interview Questions with Answers – Telecommunications Interview FAQs and Telecommunications Books.
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Hi Deepak
Ans1 # Either it is Network issue or configuration issue. Subscriber latched in 3G network must be able to send SMS to the Subscriber latched in to 2G networks.
Ans2# SRI_SM message goes from SMSC […]
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Deepak Menghani asked this question.
Question:1# A subscriber (Latched into 3G ICR network – Vodafone Rajasthan subscriber latched into Airtel 3G), sends a SMS to B subscriber (Normal 2G subscriber – Idea 2G) […]
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Hi Jeff,
In 3G also SMS traffic travels over the control channels used for GPRS. Control channels are different for GSM CS (2G) and GPRS. Basically GPRS/EGPRS lies somewhere in between 2G and 3G (we can say 2.5 […]
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Jeff asked this question.
In 2G the SMS traffic travels over the control channel and through SS7. In 3G does SMS traffic go over a “control channel” or over the GPRS e.g. IP session?
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Hi Kanda
The HLR initiates Alert Service Centre Message, if the HLR detects that a subscriber, whose MSISDN is in the Message Waiting Data file, is active or the MS has memory available. If Message Waiting Data […]
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kanda kanda asked this question
Alert Service Centre Message: according to my observation, the HLR alerts SMSC that B# is now available only in case B# was absent due to IMSI detach (switching off MS for […]
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Hi Alim,
Generally Application sends SMS to a Subscriber (Single Person) through SMSC. So there are two legs between end to end message flow:
1. SMS Originating Part: In first leg, Application submits SMS to […] -
Shri started the forum topic A2P and P2A SMS in the group GSM Call Flows 3 months, 3 weeks ago
Alim Ul Gias asked this question
Will the SMS follow the same path (shown in the figure) when an application is sending it to a single person and vice versa ???
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Hi hlr.bless
Report SM Delivery Status message used between gateway MSC (SMSC) and HLR (ng HLR). This message is invoked by gateway MSC (SMSC) to set the Message Waiting Data into the HLR. Node A not sends […]
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Shri started the forum topic Report SM Delivery Status in SMS Flow in the group GSM Call Flows 3 months, 3 weeks ago
hrl.bless asked this Question.
Hi All,
NodeA has to submit a message through the SMSC to a subscriber but ONLY when the subscriber is reachable.currently the subscriber’s handset state is not reachable.
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nishant chauhan posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 5 months ago
Thanks for your reply
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thomas posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 5 months ago
hello nishant, we are almost in the same shoes with the same job and course experience, i strongly suggest for a managerial position, u need not know only technical but how to make the organisation grow. U need to develop a roadmap or blueprint for the dept u applying for, knowledge of coy core values, [...]
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nishant chauhan posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 5 months ago
hi
I am a MBA (operations & project management), B.Tech (electronics & communication ENGG.) Having 5 years of experience in O&M , BSS , SWITCH , now i am having an interview for managerial position , please help me how to be ready for such an interview ?? -
thomas posted an update in the group Technical discussion: 5 months, 1 week ago
hello members, i have an interview for ericsson core o&m. pls what are the likely interview questions that i may be asked.
i need your support asap. -
vamsi posted an update in the group India Telecom Jobs: 5 months, 3 weeks ago
hello telecom frds..iam vamsi..i completed BTech in 2010 passout . After that trained nearly 8 mnths like a diploma in telecommunication protocols which covers all wired( ss7,isdn.pstn ) and wireless ( GSM,CDMA,networking protocols, GPRS,EDGE) technology protocols . now iam looking for a job in telecom domain . so any openings please let me know…[Read more]
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vamsi posted an update in the group Telecom documents: 5 months, 3 weeks ago
hi iam new to this community..can any one plz give ss7 material for interview questions?
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thomas posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 6 months ago
hi Tarek,
you probably may need to know about the telecom company, its core values and services provided.
wishing you all de best. -
Shri posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 6 months ago
Hi Tarek, As you are fresher, no need to go in-depth of Telecom technologies. Prepare the topics whatever you have mentioned in your CV, your final year project and training you have received as a part of your educational curriculum. Besides, prepare basic telecommunications technologies (definition and principle of Basic Telephony,…[Read more]
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