10th April 2017 at 07:29 #42099
As highlighted compared to other GSM nodes, the EIR is not mandatory. Several GSM Networks were launched without an EIR.
To reduce on SCCP signalling messages (e.g. CheckIMEI()) the MSC/VLRs can be configured so that a query to the EIR will not be required for every call, i.e. the query requests can be reduced.
VBR/ Wallis Dudhnath