Gsm protocol

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Across
  1. 4. Type of service providing voice calls in GSM
  2. 7. Protocol used for SMS delivery in GSM
  3. 8. Layer that provides packet-switched services in GSM
  4. 9. what is in GSM that serves users within its range
Down
  1. 1. The unique identifier for each mobile subscriber in GSM
  2. 2. The interface used for communication between the mobile station and the network in GSM.
  3. 3. Layer responsible for switching and routing calls in GSM
  4. 5. GSM standard for digital mobile telephony
  5. 6. Signaling protocol used in GSM for network communication
  6. 8. Technology enabling mobile internet in GSM