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Recent content by leekk8

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    Megaco/H.248 messages flow between media gateways

    Megaco/H.248 Does anyone have idea, is it possible there are MEGACO/H.248 messages flow between media gateway and media gateway? Normally, MEGACO is used by media gateway controller to communicate with media gateways. However, will there be any exception?
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    List of MSC Global Title functions

    gt msc All the messages based on SCCP layer will use GT for routing. Example, MAP, INAP, CAP, etc.
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    Questions and topics regarding GSM and SS7

    gsm version of ss7 Ok, good...thanks for your sharing...if you have further information of this kind of protocol, share with us as well :)
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    List of MSC Global Title functions

    functions of msc List the functions of MSC GT one by one??? I thought the GT is the address of the network element, so the function is just for routing.
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    Questions and topics regarding GSM and SS7

    ericsson hlr commands rewind1990, then you already have the whole idea...what's your question here?
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    Build small GSM Network

    building a small gsm network Cheap hardware??? I don't think there is cheap hardware...to build a GSM network, even the scale is small, you still need HLR, AUC, VLR, MSC, BSC, and BTS. Unless you can write all the software by yourself, then you might put all to a single server. This is almost...
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    Questions and topics regarding GSM and SS7

    what is the role of ss7 in gsm Im not sure what's Border Roaming Protocol. From your explanation, this should involve the LU message only. Normally steered roaming is working like this, when you're attached to a VLR and trying to do LU, your HLR will examine the VLR. If the VLR is not the...
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    Questions and topics regarding GSM and SS7

    lu message gsm Ohh...it's actually transcoder...thanks for your detailed information.
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    What courses should telcom network engineering take?

    simple question I think telecom network engineering is not related to Microsoft, right? Telecom network engineering should be more to GSM, GPRS, 3G or Wimax technology.
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    Exceeding Erlang capacity in GSM systems

    what is standard of erlang per hour? As you mentioned, One erlang of traffic means that a switch is occupied for a given period of observation. What I understand is, one erlang of traffic is the switch is fully utilized over a period. So, how can the erlang can be more than 1? You mean the...
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    GSM mobile network- need ideas and help to start the project

    GSM mobile network MVNO is a very new technology in some countries, especially third world countries...and I think its not easy for a normal student to apply for that.
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    Questions and topics regarding GSM and SS7

    difference dtap isdn What you mean by XCDR? Do you refer to xDR? As I know, xDR is a record of signaling message between all these interfaces...normally we have CDR, SDR and TDR.
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    GSM mobile network- need ideas and help to start the project

    Re: GSM mobile network For the antenna, sure you can build it, but I just wonder how you want to switch the calls? As you mention GSM network, you must have something work as the MSC at least.
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    Questions and topics regarding GSM and SS7

    gt in ss7 Maybe my question is a bit confusing. I want to ask, since VLR and MSC can be embedded in a single pysical network element, will the VLR and MSC GT to be same? Is there any possibility the VLR and MSC has different GT?
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    GSM mobile network- need ideas and help to start the project

    GSM mobile network You want to build a small GSM mobile network yourself? Where you want to get the core network elements? Or you just want to build the radio part?

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