CSD technical data |
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| Standards |
| AT commands industry standard ETSI 07.05, 07.07 and |
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| 07.10, V.25ter command set supported |
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| CSD Data Rates |
| 9.6 kbps or 14.4 kbps depending on the GSM network |
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| Compression |
| MNP5 (Increases data rate up to 2x depending on data type) |
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| V.42bis (Increases data rate up to 4x depending on data type) |
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| GSM network support required for compression |
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| Error Correction |
| End to End MNP2 and LAPM (V.42) |
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| RLP |
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| Requires GSM Network support |
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| GSM/ISDN |
| According to V.110 and V.120 |
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Note:
CSD functionality will be available via an upgrade for the GC85.
GPRS technical data |
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| GPRS Specification |
| SMG31bis |
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| SMG |
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| Data Rates |
| Multislot class 10 supported (see table below). |
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| Coding schemes: |
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| Mode of Operation |
| Class B (attaches to both GSM and GPRS at the same time; |
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| data connection is established using CS (CSD or GPRS) The |
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| user may select CSD or GPRS modes via |
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| configurations in Windows→ |
| Attach Modes |
| GPRS Attach |
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| GPRS Detach |
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| Combined Attach (CS+GPRS) (CCCH) |
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| Combined Detach (CCCH) |
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| Combined Attach (CS+GPRS) (PCCCH) |
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| Combined Detach (PCCCH) |
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| Network modes |
| Network Mode 1 |
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| Network Mode 2 |
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| Network Mode 3 |
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| R Reference Point |
| Physical layer: RS232 virtual COM port |
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| Authentication mechanisms PAP and CHAP supported |
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| IP Connectivity |
| PDP type IP is supported |
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| IPv4, terminated in Windows® DUN |
| SMS over GPRS |
| Mobile Originated and Mobile Terminated |
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| QoS |
| Support for all 4 classes. |
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| QoS Negotiation |
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Additional Information | 53 |