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Call flow in CDMA network (explanation)

anderson - 11th March 2005  (04:09 GMT)

Can someone give explanation regarding E1's and spans

Ravi - 5th March 2005  (00:32 GMT)

I just want to know the parameters like walsh codes,channels etc. involved in determining the no. of simultaneous calls in CDMA.Does abis do the important role in this.Please pass on materials if anybody has it.

Scot - 4th March 2005  (12:56 GMT)

Hi All,

What are the important parameters carried over ROUTE_REQ and LOC_REQ Messages.


martyss7wiz - 1st March 2005  (17:37 GMT)

Do you need to do a global call trace. IE: ISUP(IAM, ACM, ANM, REL, RLC) then correlate this to the IS41 messages?
I sell SS7 probes that generate CDRs, decodes and GLobal call trace's. If interested please contact me at

Scot - 1st March 2005  (15:10 GMT)

Hi Amberish,

I want the IS41 MAP Messsage Procedure for a MT Call in CDMA Network.

During a MT Call to a CDMA Phone...whathappens exactly when a ISUP-IAM Message enters in to CDMA Network Gateway/GMSC then hos the query and what messages are used between HLR/MSC Nodes ?


Amberish - 28th February 2005  (08:26 GMT)

Hi scot
I dont get ur question.Could u elaborate that one?

Scot - 22nd February 2005  (18:09 GMT)

During a MT Call to a CDMA Phone...whathappens exactly when a ISUP-IAM Message enters in to CDMA Network Gateway ?


xxxx - 14th February 2005  (09:31 GMT)

Give me you e-mail I'll send the Lucent packet pipe specs and call flow.....

sriram - 17th January 2004  (12:55 GMT)

Hi all,

I want to know about the packet pipes and what it is doing for the call flow.whether it is used a Transcoders as in GSM or alternate for the TSL configuration made in the CDMA cell site??plese explain me these details.Also if any one send the notes on this that will be great.

Scot - 15th January 2004  (13:11 GMT)

The MOTROLA-CBSC Product is exactly a BSC Only-Operates in CDMA Network.

It works with ALCATEL-S12 and ERICSSON (I think CMS 11 ) Systems.


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