active 8 months ago
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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 6 months, 2 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 6 months, 2 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: 8 months ago
Thanks for your reply
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nishant chauhan posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 8 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 ?? -
Shri posted on the forum topic Telecom Interview [HELP] in the group India Telecom Jobs: 9 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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Shri posted on the forum topic SMS directly to the B-IMSI in the group GSM Call Flows: 9 months ago
Hi Sam,
Yes it is possible. In MT_FSM leg B-IMSI is the mandatory parameter inserted in the field of “SM RP DA”. B-MSISDN is not required in MT_FSM leg.
Thanks
Shri …[Read more] -
Shri started the forum topic SMS directly to the B-IMSI in the group GSM Call Flows: 9 months ago
Question Asked by Sam
http://learntelecom.com/telephony/gsm/sms-in-gsm-network#comment-374
Would it be possible to send SMS directly to an IMSI and not including MSISDN, I am referring to MT_FSM leg here. Thanks you so much for your expert guidance.
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Shri posted on the forum topic what happens when a subscriberA sends a message to subscriberB in the group GSM Call Flows: 9 months ago
Hi hlr.bless, You are absolutely right and your understanding is correct. In my response of basic SMS flow, I did not involve all the network nodes coming in between SMSC, HLR and MSC. I only included originating and destination network nodes. Infect, different network nodes (HLR, SMSC, MSC and other VAS nodes) in a network [...]
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Shri posted on the forum topic what happens when a subscriberA sends a message to subscriberB in the group GSM Call Flows: 9 months ago
Hi hlr.bless, Following MAP messages flow in two networks, when a subscriber sends a message to another subscriber B, served by different network: 1. First message will be submitted to home SMSC of subscriber “A” (SMSC of Network A). MAP message from serving MSC to SMSC : MO Forward SM 2. SMSC of network A [...]
