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Calling Feature Support
(Varies with feature server/gateway)
Caller ID
n
Name and Number
m
Name
m
Number
m
Call Waiting IAD
m
Voice Mail
n
Stutter dialtone
m
Visual Message Waiting Indicator (VMWI)
m
Call Hold
n
Call Forward
n
Busy Line
m
No Answer
m
Call Transfer
n
Blind, Attended
m
Call Waiting
n
Distinctive Ring
n
Do Not Disturb
n
Three-way Calling
n
Call Return
n
Speed Dial
n
Packet-based Voice Resources
CODECs
n
G.711-64k PCM
m
G.729a-8k CS-ACELP
m
G.168 Echo Cancellation
n
64ms Echo-tail Length
n
Supports up to 16 Channels
n
Media Stream
RTP/UDP/IP (RFS 3550)
n
RTP Payload for DTMF Digits (RFC 2833)
n
Supports Port-to-port Hairpin Call
n
SDP (RFC 2327)
n
NAT Traversal and Remote Survivability
B2BUA
n
SIP Registrar for IP phones
n
Switching Performance
Non-blocking
n
8,000 MAC Addresses
n
16-MB Memory Shared by all Ports
n
8.8 Gbps Maximum Forwarding Bandwidth
n
Power over Ethernet
802.3af (15.4 watts/port)
n
n
Power Provided over Ethernet Data Leads
n
Spanning Tree Support
802.1D Spanning Tree
n
802.1w Rapid Spanning Tree
n
VLAN Support
Port-based VLANs
n
802.1Q Tagged Trunked VLANS
n
Support for up to 255 Active VLANs
n
Inter-VLAN Routing
n
GARP VLAN Registration Protocol (GVRP)
n
Link Aggregation
802.3ad Link Aggregation
n
Support for Six Trunk Groups
n
Trunk Groups Consist of up to Eight Access Ports
n
Routing Performance
128 MB DRAM
n
32 MB Flash
n
Protocols
eBGP/iBGP
PPP
n
n
OSPF
Multilink PPP
n
n
RIP (v1 and v2)
PPPoE
n
n
PIM Sparse Mode
PPPoA
n
n
Demand Routing
IGMP v2
n
n
Policy-based Routing
RFC 1483
n
n
GRE
HDLC
n
n
ATM (ADSL)
PPP Dial Backup
n
n
Frame Relay
PAP and CHAP
n
n
Multilink Frame Relay
Multihoming
n
n
Layer 3 Backup
SIP
n
n
Quality of Service
Low Latency Queuing
n
Weighted Fair Queuing
n
Class-based Weighted Fair Queuing
n
DiffServ Aware/Marking
n
Frame Relay Fragmentation (FRF.12)
n
Class of Service
Enforces 802.1p Priorities DiffServ
n
Four Output Queues per Egress Port
n
Weighted Round Robin
n
Strict Priority Queuing
n
370 Total Watts
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