Access Point
An access point is:
- An IP network to which a mobile set can be connected
- A set of settings which are used for that connection
- A particular option in a set of settings in a mobile phone
When a GPRS mobile phone sets up a PDP context, the access point is selected. At this point an Access Point Name (APN) is determined
- Example: aricenttechnologies.mnc012.mcc345.gprs
- Example: Internet
- Example: mywap
- Example: hcl.cisco.ggsn
This access point is then used in a DNS query to a private DNS network. This process (called APN resolution) finally gives the IP address of the GGSN which should serve the access point. At this point a PDP context can be activated.
Read more about this topic: GPRS Core Network
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