MID - CPRMNET

MARCONI GRX

GRX SERVICE

Basic information regarding the GRX service:

- What is GPRS?

- What is GRX?

- GRX infrastruture

In order to suppport a GRX service with the highest quality, PT Comunicações has developed a new dedicated platform (na IP network completely isolated from publix networks) and implemeted according to the following recommendations:

- I.R.33 (GPRS Roaming Guidelines)
- I.R.34 (Inter-PLMN Backbone Guidelines)
- I.R.35 (End - to - End Functional Capability Test Spec. for Inter-PLMN GPRS Roaming)

published by the GSM Association. This infrastructure fully complies with all the security and quality specifications needed by GPRS and GRX operators (at national and international level)

Service details

Coverage: The GRX platform is connected to a dedicated PoP in the AMS-IX located in Amsterdam, the main GRX peering point in Europe. In this way, PT Comunicações can be regarded as a global GRX operator with extended connectivity having the capacity to switch traffic with the main mobile and GRX operators worldwide.

Scalability: use of last generation CISCO routers, BGP4 protocol, use of public IP addressing and its own ASN. DNS service with redundancy, acting as slave of the AMS-IX root DNS.

Flexibility: interconnection can established by means of leased lines, VPNs supported in ATM (or not), total flexibility in terms of solutions to the Clients’ needs.

Security: IP network segregated from other public networks. Aditional security by means of firewalls, border gateways and/or IPSec implementation.