- FSK/DTMF compatible Caller ID
- 16-digit LCD display
- 30 incoming calls memory
- 5 outgoing calls memory
- Real-time clock with year, date and month display
- Toggle mute
- Programmable flash (300 ms default)
- Desk/wall mountable, TEC certified
The Beetel M51 (also sold as C51) is a corded caller ID landline phone for home and office desks. Its 16-digit LCD shows the caller's number, date and time, and it keeps a list of 30 incoming and 5 outgoing calls that you can review, erase or call back.
It works with both FSK and DTMF caller ID systems, has toggle mute, a programmable flash for EPABX use, tone/pulse dialling set from the keypad and a ringer volume switch. It can sit on a desk or be wall-mounted and is TEC certified.
Specifications
| Type | Corded caller ID landline phone |
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| Caller ID | FSK/DTMF compatible |
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| Display | 16-digit LCD, 6-step contrast |
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| Incoming call memory | 30 |
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| Outgoing call memory | 5 |
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| Redial memory | 31 digits |
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| Flash | Programmable, 300 ms default (100/300/600/1000 ms) |
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| Dialling | Tone/pulse, selectable through software (* key) |
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| Other | Toggle mute, ringer volume switch, real-time clock with date, call back from incoming/outgoing lists |
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| Mounting | Desk/wall |
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| Colours | Black, beige, blue, red (swatches on official page) |
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| Certification | TEC certified |
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| Model | C51 (same product as M51) |
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