Document 6534527

Public Switched
Telephone
Network (PSTN)
Locations
Calling between sites is free.
Local calls are included.
Bucket of minutes of local toll
and LD at inexpensive VOIP
rates.
Alarms
POTS backup
911
Public Switched
Telephone
Network (PSTN)
`
Public
Internet
LAN
Switch
Router, fully
managed
Private IP
`
P
40
c
all
pa
ths
`
lic
ub
Server(s)
IP
10 Mbps Dynamic MPLS, VOIP
and Internet Port,
full QoS
Internet traffic is drained off
at the remote sites if desired
Offnet calls are handed off
to the public switched
telephone network
LAN
Switch
Router,
fully managed
VOIP T1 over copper
for diversity
Private IP MPLS
Network
Internet traffic
Analog
interfaces to
Avaya Partner
Central
Office Switch
T1.5 MPLS/VOIP/
INTERNET
`
Public and private IP
Separate VLANS
1.5 Mbps MPLS VPN Port,
full QoS with VOIP
Private traffic traverses the
private network only
Public
Internet
`
VOIP calls converted for
traditional phone system
SAMPLE PROPOSED NETWORK
PRIVATE IP BETWEEN SITES WITH VOIP TRUNKING
Avaya Merlin
Legend PBX
Legend
MPLS Router
Firewall
Internet Traffic
VOIP T1.5: Bundled MPLS + Voice
Router
Prepared by S. Britton, Britton Information Services 1/08 – rev.1
`
LAN Switch
Analog