Specifications

Chapter 8 – SocketModem GPRS (MTSMC-G-F4 and MTSMC-G-F4-IP)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 116
Features
Embedded TCP/IP stack with UDP and PING support
Short Message Services (SMS) Features:
Text and PDU, Point-to-Point, Cell broadcast
AT command compatible
Management Features: Phone book management, Fixed dialing number, Real time
clock, Alarm management
Support for AMR (Adaptive Multi Rate) voice coder
Support for Cellular Text Telephone Modem
Large Memory SIM support to store/recall more than 127 text messages (SMS)
Large Memory SIM support to store/recall more than 127 entries per phonebook
Ability to select the ADN phonebook when FDN service is enabled
60-digits per phonebook entry (ADN, FDN, LDN)
60-digit phone numbers
Modem can dial a phone number that is not in the FDN list
Flash upgrade
Serial Async Data Interface