![](http://pdfasset.owneriq.net/d/38/d38c5c39-dbe9-49d5-91b1-4532f8a4f7f9/d38c5c39-dbe9-49d5-91b1-4532f8a4f7f9-bg7.png)
Chapter 1 - Introduction and Description
Multi-Tech Systems, Inc. MT5634ZPX User Guide 7
• Supports V.90/K56flex speeds plus 33.6K, 31.2K, 28.8K, 26.4K, 24K, 21.6K, 19.2K,
16.8K, 14.4K, 12K, 9.6K, 7.2K, 4.8K, 2.4K, 1.2K, and 0–300 bps
• Automatic fallback to slower speeds in noisy line conditions and fall-forward to faster
speeds as conditions improve (line quality monitoring)
• ITU V.42 LAP-M and MNP Class 3 and 4 error correction
• ITU V.42bis (4-to-1) and MNP 5 (2-to-1) data compression
• H.324 compliant (videophone ready)
• Automatic disabling of compression when transferring already compressed files
• Autodial, redial, pulse (rotary), and touch-tone dial
• Dial tone and busy signal detection for reliable call-progress detection
• Distinctive ring support to route voice, data, or fax calls on a single phone line
• Plug and Play (
PnP
) support
• FlashROM upgradable (customer upgradable in a Windows environment)
• Compatibility with the standard AT command set used by most communication
programs
• Stores up to two telephone numbers
Fax
• Supports V.17, Group 3 fax communication standards, allowing it to communicate
with other fax modems as well as with fax machines
• Responds to Class 1 and Class 2 fax commands, enabling it to exchange editable
and encrypted faxes with other Windows computers
• Sends and receives faxes from your computer at 14,400 bps, 9600 bps, 7200 bps,
4800 bps, 2400 bps, or 300 bps
Voice
• Full duplex speakerphone support with adjustable speaker volume control; can
record and play back answering machine messages using optional microphone and
speaker
• Remote/local telephone answering machine (TAM) capabilities include voice mail
control, record/playback, and call screening
• Supports the TIA/EIA IS-101 AT+V voice command set