O Siemens Gigaset SX790 ISDN é um telefone sem fios elegante com um grande TFT a cores, com um mini USB e com entrada para microauscultador Jack 2,5mm.
Com este telefone poderá aceder ás suas ultimas 20 chamadas perdidas, um calendário e poderá marcar eventos com alarme. A base é expandivel até 6 terminais.
Caracteristicas:
| Sound quality | |
| HDSP™ ready handset1 | yes |
| HSP™ for brilliant sound quality | yes |
| Hands-free talking | convenient hands-free | advanced hands-free | - | - | yes |
| Ringer melodies | polyphonic | real sounds I downloadable | 5 | 6 | 9 | yes |
| Individual ringer melodies for VIP entries | yes |
| Adjustable handset volume | yes |
| Headset connection | corded 2,5 mm | Bluetooth® | |
| Convenience - phoning essentials | |
| Range indoors | outdoors | 50m | 300m |
| Standby time | talk time | 180h | 13h |
| Phonebook | address book | entries | - | yes | 500 |
| Phonebook transfer: via DECT | via Bluetooth® | via LAN | yes | - | - |
| Last dialed ... numbers | 20 |
| Automatic dialing of operator prefix | - |
| Automatic redial function in handset | yes |
| Dial by voice command | - |
| Bluetooth® function2 | Mini-USB | - | yes |
| Room monitoring | yes |
| Vibracall | - |
| SIM card reader and writer | - |
| Plug-and-play installation | Installation Assistant for ISDN | yes | yes |
| Date reminder function | alarm call | yes | yes |
| Calendar | yes |
| Live recording of calls | |
| Display and menu features | |
| Display: numeric | alphanumeric | semigraphical | graphical | - | - | - | yes |
| Display: illuminated | colour | yes | yes |
| ... pixel, ... inch, ... colours and ... lines | TFT 128x160 | 1,8 | 65000 | 8 |
| Easy-to-use text-based menu | jumbo fonts | icon-based | yes | yes | yes |
| Display of caller’s number (CLIP1) | picture (Picture CLIP1) | yes | yes |
| List of last … missed calls with time and date | 20 |
| Multilingual menu for up to ... languages | 17 |
| Time displayed | yes |
| Date displayed | yes |
| Range displayed (handset to base station) | yes |
| Charging status displayed | yes |
| Call charge displayed | yes |
| Call duration displayed | |
| Keypad features | |
| Illuminated keypad | yes |
| Colour of illumination | white |
| Navigation key | yes, 5-way |
| Message indicator key | |
| Messaging functions | |
| Up to … characters SMS1 | Email1 | 640 | yes |
| Up to ... personalized SMS in-boxes | 10 |
| Email notification | |
| ECO DECT | |
| Up to 60% less power consumption3 | yes |
| ECO Mode for reduction of transmitting power of base station by 80%4 | yes |
| Radiation-free5 ECO Mode Plus | yes |
| Transmitting power at almost zero when handset docked6 | |
| ISDN features | |
| Administration of telephone numbers | Up to 10 MSNs (auto MSN recognition) |
| Clock feature | Date/Time synchronizing via ISDN |
| Call Functions: Call hold | Consultate | toggle/waiting | accept/reject | forwarding | yes | yes | yes | yes | yes |
| CLIP | yes |
| CW (call waiting) | yes |
| CCBSR/CCNRS (call completition on busy subscriber/no reply) | yes | yes |
| ECT (exclusive call transfer) | yes |
| MCID (malicious call identification) | yes |
| AOC (advice of charge) | |
