Obihai OBi302 Detailed Technical Specifications page 4

Network – Application Details
Data Networking
VoIP
MAC Address (IEEE 802.3)
UDP (RFC 768)
TCP (RFC 793)
IP version 4 (RFC 791) – Static IP and DHCP Support
ICMP (RFC 792)
ARP - Address Resolution Protocol
Domain Name System (DNS) A Records (RFC 1706) & SRV Records (RFC 2782)
RTP (RFC 1889, 1890)
RTCP (RFC 1889)
DHCP Client (RFC 2131)
LAN (Computer) Port May be Configured as a Router or Bridge
DHCP Server (RFC 2131)
DHCP Client Reservation
PPPoE (Point-to-Point Protocol over Ethernet) client (RFC 2516)
MAC Address Cloning
Port Forwarding
DiffServ (RFC 2475) – Independently Configured: Service, SIP & Media
ToS (RFC 791, 1349) – Independently Configured: Service, SIP & Media
VLAN Tagging (802.1p) – Independently Configured: Service, SIP & Media
SNTP (RFC 2030) – Primary & Secondary NTP Servers
Firewall with:
- DRDOS Attack Protection
- VPN Pass Through
- NAT Redirection
DMZ Mode
QoS Features
- Upstream Data Rate Allocation
- Highest Priority (Voice) Bandwidth Allocation
- Priority Class Assignments (4) for Bandwidth Allocation
- DiffServ Code Point (DSCP) to Priority Class Mapping
VPN Pass-Thru
- IPsec ESP (IP Security encapsulating security payload)
- PPTP (Point-to-Point Tunneling Protocol)
- L2TP (Layer 2 Tunneling Protocol)
Four (4) Service Provider Configuration Profile Assignments (ITSP 1-4)
Four (4) Service /Trunk Subscription Profile Assignments (SP 1-4)
SIPv2 (RFC 3261, 3262, 3263, 3264)
SIP over UDP
SIP over TCP
SIP over TCP with TLS
4 SIP Service Provider Service Sessions – Concurrent Operation
2 OBiTALK Service Sessions
SIP Proxy Redundancy – Local or DNS Based SVR, Primary & Secondary Fallback List
Restrict Source IP Address
Maximum Number of Sessions – Independent per Service
Trunk Groups (4)
Voice Gateway – Direct Dialing (8)
G.711 A-Law (64 kbps)
G.711 µ-Law (64 kbps)
G.726 (32 kbps)
G.729a (8 kbps)
iLBC (13.3, 15.2 kbps)
Codec Pre-selection Code
Voice Processing per SIP Service – TX/RX Audio Gain, Echo Cancellation
Adjustable Audio Frames per Packet
Codec Name Assignment
Codec Profile per SIP SP (2) & OBiTALK Service
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