... SIP,IAX2 protocol DHCP support for LAN or Cable modem PPPoE support for ADSL or Cable modem Audio ... Optional) CALL WAIT, HOLD, TRANSFER supported Set by HTTP web browser (IE6.0) or Telnet Upgrade by FTP, TFTP ... RAM, no external SDRAM needed for most application Up to 4 chip selection for external SRAM, EEPROM or FLASH, ... 72MIPS Support 24.576MHz OSC with on-chip PLL for DSP Up to 16 general purpose I/O ...