Network Protocols and standards

System
VoIP protocols	H.323 rev. 3
	Session Initiation Protocol (SIP)
Audio	RTP/RTCP
Internal signaling	Proprietary
Codecs	G.711
	G.723.1
	G.729 (VOIM only)
LAN	IEEE 802.3u
	10/100BaseT
System management and monitoring	HTTP
	Telnet
	RS-232
SMDI	Telnet
	RS-232
IP Phones and RSGM
Packet Prioritization	IEEE 802.1p/Q
Quality of Service	IP ToS tagging
	DiffServ pre-tagging
Remote Management	HTTP
WAN authentication	PPOE
File upload	FTP/HTTP
Auto-configuration	DHCP client
Power over Ethernet	IEEE 802.3af (except RSGM)
Address Translation	NAT/NAPT
NAT traversal	STUN (RFC3489 modified)
Data Encryption	IPSec*
*IPSec only available with endpoints in remote configuration and when VOIME/VOIM module is employed.

Standards implementation

SIP (Session Initiation Protocol) - RFC- 3261for trunks only
IP ToS: Applied to RTP voice packets by default
802.1p/Q: Automatically applied for RSGM and devices in Remote mode
IPSec: Two encryption algorithms (DES/3DES) & two hash algorithms (MD5/SHA-1) are supported
STUN (Simple Traversal of UDP through NAT): Based on RFC3489, but modified toefficiently operate for Vodavi Telenium™ IP communications
PPPoE: Supported by phones and RSGM
DHCP: Phones support DHCP client configuration in Remote mode RSGM supports DHCP client for WAN interface, and DHCP server (up to 50 internal clients) on its LAN interface
NAPT: Phones supported behind NAT/NAPT devices Router in RSGM provides NAT/NAPT support so that all clients can use private addressing
HTTP: All devices except SHUB8 and POE8 have HTTP-based administration or upgrade
capability

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