Software

Embedded Software Modules

Overview
Voice Over Network Framework - RTP Packetization, AAL2 Framing
iLBC (internet Low Bitrate Codec)
MELP (Mixed-Excitation Linear Predictive)
MELPe (Mixed-Excitation Linear Predictive)
ITU G.711 - 64k bps PCM (A-Law or m-Law form)
ITU G.722 - 7 kHz audio coding within 64 kbit/s (SB-ADPCM)
ITU G.722.1 - 24k and 32k bps 7k Hz audio
ITU G.722.2 - Adaptive Multi-Rate Wideband AMR-WB Vocoder Algorithm
G723.1 - 5 1/3k and 6.4k bps ACELP/MP-MLQ
ITU G.726 - 16k, 24k, 32k and 40k bps ADPCM
ITU G.728 - 16k bps LD-CELP
ITU G.729/G.729A - 8k bps CS-ACELP
ITU G.729 Annex B - Silence Detection
Speex - 8 kHz, 16 kHz, and 32 kHz CELP
GSM speech codecs (see Cellular)
- GSM 06.10 Full Rate Vocoder
- GSM 06.20 Half Rate Vocoder
- GSM 06.60 Enhanced Full Rate Vocoder
- GSM 06.90 Adaptive Multi Rate Vocoder
Voice Activity Detection (VAD)
Packet Loss Concealment (PLC)
Adaptive Jitter Buffer
Voice/Facsimile/Data Modem Detection

Overview
IPv4 - Internet Protocol Version 4 (RFC 791)
TCP - Transmission Control Protocol (RFC 793, 1323)
UDP - User Datagram Protocol (RFC 768)
TCP/IP Header Compression (RFC 1144)
PPP - Point to Point Protocol (RFC 2153, 1662)
PPPoE - PPP over Ethernet (RFC 2516)
PAP/CHAP Authentication (RFC 1994)
IPCP - Internet Control Protocol (RFC 1332)
ICMP - Internet Control Message Protocol (RFC 792)
ARP - Address Resolution Protocol (RFC 1027)
RARP - Reverse Address Resolution Protocol (RFC 903)
BGP - Border Gateway Protocol (RFC 1771)
BOOTP - Protocol (RFC 1497)
DHCP - Dynamic Host Configuration Protocol (RFC 2131)
FTP - File Transfer Protocol (RFC 959, 2228)
TFTP - - Trivial File Transfer Protocol (RFC 13502228)
HTTP - HyperText Transfer Protocol (RFC 26162228)
MIB I (RFC 1156)
MIBII (RFC 1213)
RIP - Routing Information Protocol (RFC 1058)
RIP 2 - Routing Information Protocol (RFC 1723)
SliP - Serial Link Internet Protocol (RFC 1055)
SNMP - Simple Network Management Protocol (RFC 1155, 1157, 1215, 1351, 1352, 1353, 1420)
NTP - Network Time Protocol (RFC 1305)
SNTP - Simple Network Time Protocol (RFC 2030)
STUN - Simple Traversal of UDP over NATs(RFC 3789)
Telnet - Telnet Protocol (RFC 854)

Modem
Modulations

Overview
V.92 Server/Client/Digital Client 28,000 - 56,000 bps downstream, 24,000 - 48,000 bps upstream, (Block Diagram)
V.90 Server/Client/Digital Client 28,000 - 56,000 bps downstream, 4,800 - 33,600 bps upstream, (Block Diagram)
56k modem 28,000 - 56,000 bps downstream, 4,800 to 33,600 bps upstream, (Block Diagram)
V.91 All Digital Mode, 28,000 to 64,000 bi-directional
V.34 2400 to 33,600 bps
V.32/V.32bis 4800 to 14,400 bps
V.23 75 - 1,200 bps
Bell 202 75 - 1,200 bps
V.22bis 1,200 and 2400 bps
V.22 1,200 bps
Bell 212 1,200 bps
V.21 300 bps
Bell 103 300 bps